Update CHANGELOG.md

修复更新资源清单错误计算超时时间的问题。

Assets/YooAsset/CHANGELOG.md

@@ -2,6 +2,49 @@
 
 All notable changes to this package will be documented in this file.
 
+## [1.4.2-preview] - 2023-01-03
+
+### Fixed
+
+- 修复了清单解析异步操作的进度条变化错误。
+- 修复了更新资源清单错误计算超时时间的问题。
+
+## [1.4.1-preview] - 2022-12-26
+
+### Fixed
+
+- 修复了开启UniqueBundleName选项后，SBP构建报错的问题。
+
+### Added
+
+- 新增了AssetsPackage.PreDownloadPackageAsync()方法
+
+  ````c#
+  /// <summary>
+  /// 预下载指定版本的包裹资源
+  /// </summary>
+  /// <param name="packageVersion">下载的包裹版本</param>
+  /// <param name="timeout">超时时间（默认值：60秒）</param>
+  public PreDownloadPackageOperation PreDownloadPackageAsync(string packageVersion, int timeout = 60)
+  ````
+
+- 新增了OperationHandleBase.GetDownloadReport()方法
+
+  ````c#
+  /// <summary>
+  /// 获取下载报告
+  /// </summary>
+  public DownloadReport GetDownloadReport();
+  ````
+
+### Changed
+
+- 优化了资源清单更新流程，支持缓存下载的清单。
+- 优化了清单文件的解析流程，支持分帧解析避免卡顿。
+- 优化了缓存文件的验证流程，支持分帧处理。
+- 初始化的时候支持覆盖安装检测，然后清理所有的缓存清单文件。
+- ClearPackageUnusedCacheFilesAsync重名为ClearUnusedCacheFilesAsync
+
 ## [1.4.0-preview] - 2022-12-04
 
 ### Fixed

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleSimulateBuilder.cs

@@ -23,7 +23,7 @@ namespace YooAsset.Editor
 			var buildResult = builder.Run(buildParameters);
 			if (buildResult.Success)
 			{
-				string manifestFileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(buildParameters.PackageName, buildParameters.PackageVersion);
+				string manifestFileName = YooAssetSettingsData.GetManifestBinaryFileName(buildParameters.PackageName, buildParameters.PackageVersion);
 				string manifestFilePath = $"{buildResult.OutputPackageDirectory}/{manifestFileName}";
 				return manifestFilePath;
 			}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildAssetInfo.cs

@@ -175,8 +175,7 @@ namespace YooAsset.Editor
 
 				if (IsShaderAsset)
 				{
-					string shareBundleName = YooAssetSettingsData.GetUnityShadersBundleFullName();
-					_shareBundleName = EditorTools.GetRegularPath(shareBundleName).ToLower();
+					_shareBundleName = YooAssetSettingsData.GetUnityShadersBundleFullName(uniqueBundleName, packageName);
 				}
 				else
 				{
@@ -184,15 +183,16 @@ namespace YooAsset.Editor
 					{
 						IPackRule packRule = PackDirectory.StaticPackRule;
 						var bundleName = packRule.GetBundleName(new PackRuleData(AssetPath));
-						var shareBundleName = $"share_{bundleName}.{YooAssetSettingsData.Setting.AssetBundleFileVariant}";
-						_shareBundleName = EditorTools.GetRegularPath(shareBundleName).ToLower();
-					}
-				}
+						if (YooAssetSettingsData.Setting.RegularBundleName)
+							bundleName = EditorTools.GetRegularPath(bundleName).Replace('/', '_').Replace('.', '_').ToLower();
+						else
+							bundleName = EditorTools.GetRegularPath(bundleName).ToLower();
 
-				if (uniqueBundleName)
-				{
-					if (string.IsNullOrEmpty(_shareBundleName) == false)
-						_shareBundleName = $"{packageName.ToLower()}_{_shareBundleName}";
+						if (uniqueBundleName)
+							_shareBundleName = $"{packageName.ToLower()}_share_{bundleName}.{YooAssetSettingsData.Setting.AssetBundleFileVariant}";
+						else
+							_shareBundleName = $"share_{bundleName}.{YooAssetSettingsData.Setting.AssetBundleFileVariant}";
+					}
 				}
 			}
 			else
@@ -200,12 +200,17 @@ namespace YooAsset.Editor
 				if (IsRawAsset)
 				{
 					string mainBundleName = $"{_mainBundleName}.{YooAssetSettingsData.Setting.RawFileVariant}";
-					_mainBundleName = EditorTools.GetRegularPath(mainBundleName).ToLower();
+					_mainBundleName = mainBundleName.ToLower();
 				}
 				else
 				{
 					string mainBundleName = $"{_mainBundleName}.{YooAssetSettingsData.Setting.AssetBundleFileVariant}";
-					_mainBundleName = EditorTools.GetRegularPath(mainBundleName).ToLower(); ;
+					_mainBundleName = mainBundleName.ToLower(); ;
+				}
+
+				if (uniqueBundleName)
+				{
+					_mainBundleName = $"{packageName.ToLower()}_{_mainBundleName}";
 				}
 			}
 		}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskBuilding_SBP.cs

@@ -33,7 +33,7 @@ namespace YooAsset.Editor
 			// 开始构建
 			IBundleBuildResults buildResults;
 			var buildParameters = buildParametersContext.GetSBPBuildParameters();
-			var shadersBunldeName = YooAssetSettingsData.GetUnityShadersBundleFullName();
+			var shadersBunldeName = YooAssetSettingsData.GetUnityShadersBundleFullName(buildMapContext.UniqueBundleName, buildParametersContext.Parameters.PackageName);
 			var taskList = SBPBuildTasks.Create(shadersBunldeName);
 			ReturnCode exitCode = ContentPipeline.BuildAssetBundles(buildParameters, buildContent, out buildResults, taskList);
 			if (exitCode < 0)

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCopyBuildinFiles.cs

@@ -45,7 +45,7 @@ namespace YooAsset.Editor
 
 			// 拷贝补丁清单文件
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(buildPackageName, buildPackageVersion);
+				string fileName = YooAssetSettingsData.GetManifestBinaryFileName(buildPackageName, buildPackageVersion);
 				string sourcePath = $"{packageOutputDirectory}/{fileName}";
 				string destPath = $"{streamingAssetsDirectory}/{fileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
@@ -53,7 +53,7 @@ namespace YooAsset.Editor
 
 			// 拷贝补丁清单哈希文件
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestHashFileName(buildPackageName, buildPackageVersion);
+				string fileName = YooAssetSettingsData.GetPackageHashFileName(buildPackageName, buildPackageVersion);
 				string sourcePath = $"{packageOutputDirectory}/{fileName}";
 				string destPath = $"{streamingAssetsDirectory}/{fileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
@@ -61,7 +61,7 @@ namespace YooAsset.Editor
 
 			// 拷贝补丁清单版本文件
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestVersionFileName(buildPackageName);
+				string fileName = YooAssetSettingsData.GetPackageVersionFileName(buildPackageName);
 				string sourcePath = $"{packageOutputDirectory}/{fileName}";
 				string destPath = $"{streamingAssetsDirectory}/{fileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreatePatchManifest.cs

@@ -42,41 +42,42 @@ namespace YooAsset.Editor
 			patchManifest.AssetList = GetAllPatchAsset(context, patchManifest);
 
 			// 更新Unity内置资源包的引用关系
+			string shadersBunldeName = YooAssetSettingsData.GetUnityShadersBundleFullName(buildMapContext.UniqueBundleName, buildParameters.PackageName);
 			if (buildParameters.BuildPipeline == EBuildPipeline.ScriptableBuildPipeline)
 			{
 				if (buildParameters.BuildMode == EBuildMode.IncrementalBuild)
 				{
 					var buildResultContext = context.GetContextObject<TaskBuilding_SBP.BuildResultContext>();
-					UpdateBuiltInBundleReference(patchManifest, buildResultContext.Results);
+					UpdateBuiltInBundleReference(patchManifest, buildResultContext.Results, shadersBunldeName);
 				}
 			}
 
 			// 创建补丁清单文本文件
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestJsonFileName(buildParameters.PackageName, buildParameters.PackageVersion);
+				string fileName = YooAssetSettingsData.GetManifestJsonFileName(buildParameters.PackageName, buildParameters.PackageVersion);
 				string filePath = $"{packageOutputDirectory}/{fileName}";
-				PatchManifest.SerializeToJson(filePath, patchManifest);
+				PatchManifestTools.SerializeToJson(filePath, patchManifest);
 				BuildRunner.Log($"创建补丁清单文件：{filePath}");
 			}
 
 			// 创建补丁清单二进制文件
 			string packageHash;
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(buildParameters.PackageName, buildParameters.PackageVersion);
+				string fileName = YooAssetSettingsData.GetManifestBinaryFileName(buildParameters.PackageName, buildParameters.PackageVersion);
 				string filePath = $"{packageOutputDirectory}/{fileName}";
-				PatchManifest.SerializeToBinary(filePath, patchManifest);
+				PatchManifestTools.SerializeToBinary(filePath, patchManifest);
 				packageHash = HashUtility.FileMD5(filePath);
 				BuildRunner.Log($"创建补丁清单文件：{filePath}");
 
 				PatchManifestContext patchManifestContext = new PatchManifestContext();
 				byte[] bytesData = FileUtility.ReadAllBytes(filePath);
-				patchManifestContext.Manifest = PatchManifest.DeserializeFromBinary(bytesData);
+				patchManifestContext.Manifest = PatchManifestTools.DeserializeFromBinary(bytesData);
 				context.SetContextObject(patchManifestContext);
 			}
 
 			// 创建补丁清单哈希文件
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestHashFileName(buildParameters.PackageName, buildParameters.PackageVersion);
+				string fileName = YooAssetSettingsData.GetPackageHashFileName(buildParameters.PackageName, buildParameters.PackageVersion);
 				string filePath = $"{packageOutputDirectory}/{fileName}";
 				FileUtility.CreateFile(filePath, packageHash);
 				BuildRunner.Log($"创建补丁清单哈希文件：{filePath}");
@@ -84,7 +85,7 @@ namespace YooAsset.Editor
 
 			// 创建补丁清单版本文件
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestVersionFileName(buildParameters.PackageName);
+				string fileName = YooAssetSettingsData.GetPackageVersionFileName(buildParameters.PackageName);
 				string filePath = $"{packageOutputDirectory}/{fileName}";
 				FileUtility.CreateFile(filePath, buildParameters.PackageVersion);
 				BuildRunner.Log($"创建补丁清单版本文件：{filePath}");
@@ -165,10 +166,9 @@ namespace YooAsset.Editor
 		/// <summary>
 		/// 更新Unity内置资源包的引用关系
 		/// </summary>
-		private void UpdateBuiltInBundleReference(PatchManifest patchManifest, IBundleBuildResults buildResults)
+		private void UpdateBuiltInBundleReference(PatchManifest patchManifest, IBundleBuildResults buildResults, string shadersBunldeName)
 		{
 			// 获取所有依赖着色器资源包的资源包列表
-			string shadersBunldeName = YooAssetSettingsData.GetUnityShadersBundleFullName();
 			List<string> shaderBundleReferenceList = new List<string>();
 			foreach (var valuePair in buildResults.BundleInfos)
 			{

Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskUpdateBuildInfo.cs

@@ -48,7 +48,7 @@ namespace YooAsset.Editor
 			// 4.更新补丁包输出的文件路径
 			foreach (var bundleInfo in buildMapContext.BundleInfos)
 			{
-				string patchFileName = PatchManifest.CreateBundleFileName(outputNameStyle, bundleInfo.BundleName, bundleInfo.PatchInfo.PatchFileHash);
+				string patchFileName = PatchManifestTools.CreateBundleFileName(outputNameStyle, bundleInfo.BundleName, bundleInfo.PatchInfo.PatchFileHash, bundleInfo.IsRawFile);
 				bundleInfo.PatchInfo.PatchOutputFilePath = $"{packageOutputDirectory}/{patchFileName}";
 			}
 		}

Assets/YooAsset/Editor/AssetBundleBuilder/EOutputNameStyle.cs

@@ -7,23 +7,13 @@ namespace YooAsset.Editor
 	public enum EOutputNameStyle
 	{
 		/// <summary>
-		/// 000000000000000f000000000000000
+		/// 哈希值名称
 		/// </summary>
 		HashName = 1,
 
 		/// <summary>
-		/// 000000000000000f000000000000000.bundle
+		/// 资源包名称 + 哈希值名称
 		/// </summary>
-		HashName_Extension = 2,
-
-		/// <summary>
-		/// bundle_name_000000000000000f000000000000000
-		/// </summary>
-		BundleName_HashName = 3,
-
-		/// <summary>
-		/// bundle_name_000000000000000f000000000000000.bundle
-		/// </summary>
-		BundleName_HashName_Extension = 4,
+		BundleName_HashName = 4,
 	}
 }

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollector.cs

@@ -293,12 +293,15 @@ namespace YooAsset.Editor
 			// 根据规则设置获取资源包名称
 			IPackRule packRuleInstance = AssetBundleCollectorSettingData.GetPackRuleInstance(PackRuleName);
 			string bundleName = packRuleInstance.GetBundleName(new PackRuleData(assetPath, CollectPath, group.GroupName));
-			return EditorTools.GetRegularPath(bundleName).ToLower();
+			if(YooAssetSettingsData.Setting.RegularBundleName)
+				return EditorTools.GetRegularPath(bundleName).Replace('/', '_').Replace('.', '_').ToLower();
+			else
+				return EditorTools.GetRegularPath(bundleName).ToLower();
 		}
 		private List<string> GetAssetTags(AssetBundleCollectorGroup group)
 		{
-			List<string> tags = StringUtility.StringToStringList(group.AssetTags, ';');
-			List<string> temper = StringUtility.StringToStringList(AssetTags, ';');
+			List<string> tags = EditorTools.StringToStringList(group.AssetTags, ';');
+			List<string> temper = EditorTools.StringToStringList(AssetTags, ';');
 			tags.AddRange(temper);
 			return tags;
 		}

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorConfig.cs

@@ -143,7 +143,7 @@ namespace YooAsset.Editor
 						AssetBundleCollector collector = new AssetBundleCollector();
 						collector.CollectPath = collectorElement.GetAttribute(XmlCollectPath);
 						collector.CollectorGUID = collectorElement.GetAttribute(XmlCollectorGUID);
-						collector.CollectorType = StringUtility.NameToEnum<ECollectorType>(collectorElement.GetAttribute(XmlCollectorType));
+						collector.CollectorType = EditorTools.NameToEnum<ECollectorType>(collectorElement.GetAttribute(XmlCollectorType));
 						collector.AddressRuleName = collectorElement.GetAttribute(XmlAddressRule);
 						collector.PackRuleName = collectorElement.GetAttribute(XmlPackRule);
 						collector.FilterRuleName = collectorElement.GetAttribute(XmlFilterRule);

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorPackage.cs

@@ -102,7 +102,7 @@ namespace YooAsset.Editor
 			HashSet<string> result = new HashSet<string>();
 			foreach (var group in Groups)
 			{
-				List<string> groupTags = StringUtility.StringToStringList(group.AssetTags, ';');
+				List<string> groupTags = EditorTools.StringToStringList(group.AssetTags, ';');
 				foreach (var tag in groupTags)
 				{
 					if (result.Contains(tag) == false)
@@ -111,7 +111,7 @@ namespace YooAsset.Editor
 
 				foreach (var collector in group.Collectors)
 				{
-					List<string> collectorTags = StringUtility.StringToStringList(collector.AssetTags, ';');
+					List<string> collectorTags = EditorTools.StringToStringList(collector.AssetTags, ';');
 					foreach (var tag in collectorTags)
 					{
 						if (result.Contains(tag) == false)

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorWindow.cs

@@ -694,7 +694,7 @@ namespace YooAsset.Editor
 			popupField0.index = GetCollectorTypeIndex(collector.CollectorType.ToString());
 			popupField0.RegisterValueChangedCallback(evt =>
 			{
-				collector.CollectorType = StringUtility.NameToEnum<ECollectorType>(evt.newValue);
+				collector.CollectorType = EditorTools.NameToEnum<ECollectorType>(evt.newValue);
 				AssetBundleCollectorSettingData.ModifyCollector(selectGroup, collector);
 				if (foldout.value)
 				{

Assets/YooAsset/Editor/AssetBundleCollector/CollectAssetInfo.cs

@@ -50,13 +50,5 @@ namespace YooAsset.Editor
 			AssetTags = assetTags;
 			IsRawAsset = isRawAsset;
 		}
-
-		/// <summary>
-		/// 资源包名称追加包裹名
-		/// </summary>
-		public void BundleNameAppendPackageName(string packageName)
-		{
-			BundleName = $"{packageName.ToLower()}_{BundleName}";
-		}
 	}
 }

Assets/YooAsset/Editor/AssetBundleCollector/CollectResult.cs

@@ -36,14 +36,6 @@ namespace YooAsset.Editor
 		public void SetCollectAssets(List<CollectAssetInfo> collectAssets)
 		{
 			CollectAssets = collectAssets;
-
-			if (UniqueBundleName)
-			{
-				foreach (var collectAsset in CollectAssets)
-				{
-					collectAsset.BundleNameAppendPackageName(PackageName);
-				}
-			}
 		}
 	}
 }

Assets/YooAsset/Editor/AssetBundleCollector/DefaultPackRule.cs

@@ -15,8 +15,7 @@ namespace YooAsset.Editor
 	{
 		string IPackRule.GetBundleName(PackRuleData data)
 		{
-			string bundleName = StringUtility.RemoveExtension(data.AssetPath);
-			return EditorTools.GetRegularPath(bundleName).Replace('/', '_');
+			return StringUtility.RemoveExtension(data.AssetPath);
 		}
 	}
 
@@ -33,8 +32,7 @@ namespace YooAsset.Editor
 
 		string IPackRule.GetBundleName(PackRuleData data)
 		{
-			string bundleName = Path.GetDirectoryName(data.AssetPath);
-			return EditorTools.GetRegularPath(bundleName).Replace('/', '_');
+			return Path.GetDirectoryName(data.AssetPath);
 		}
 	}
 
@@ -58,7 +56,7 @@ namespace YooAsset.Editor
 				if (Path.HasExtension(splits[0]))
 					throw new Exception($"Not found root directory : {assetPath}");
 				string bundleName = $"{data.CollectPath}/{splits[0]}";
-				return EditorTools.GetRegularPath(bundleName).Replace('/', '_');
+				return bundleName;
 			}
 			else
 			{
@@ -79,13 +77,11 @@ namespace YooAsset.Editor
 			string collectPath = data.CollectPath;
 			if (AssetDatabase.IsValidFolder(collectPath))
 			{
-				string bundleName = collectPath;
-				return EditorTools.GetRegularPath(bundleName).Replace('/', '_');
+				return collectPath;
 			}
 			else
 			{
-				string bundleName = StringUtility.RemoveExtension(collectPath);
-				return EditorTools.GetRegularPath(bundleName).Replace('/', '_');
+				return StringUtility.RemoveExtension(collectPath);
 			}
 		}
 	}
@@ -126,8 +122,7 @@ namespace YooAsset.Editor
 			if (depends.Length != 1)
 				throw new Exception($"{nameof(PackRawFile)} is not support estension : {extension}");
 
-			string bundleName = data.AssetPath;
-			return EditorTools.GetRegularPath(bundleName).Replace('/', '_').Replace('.', '_');
+			return data.AssetPath;
 		}
 	}
 

Assets/YooAsset/Editor/EditorTools.cs

@@ -285,6 +285,35 @@ namespace YooAsset.Editor
 		}
 		#endregion
 
+		#region StringUtility
+		public static List<string> StringToStringList(string str, char separator)
+		{
+			List<string> result = new List<string>();
+			if (!String.IsNullOrEmpty(str))
+			{
+				string[] splits = str.Split(separator);
+				foreach (string split in splits)
+				{
+					string value = split.Trim(); //移除首尾空格
+					if (!String.IsNullOrEmpty(value))
+					{
+						result.Add(value);
+					}
+				}
+			}
+			return result;
+		}
+
+		public static T NameToEnum<T>(string name)
+		{
+			if (Enum.IsDefined(typeof(T), name) == false)
+			{
+				throw new ArgumentException($"Enum {typeof(T)} is not defined name {name}");
+			}
+			return (T)Enum.Parse(typeof(T), name);
+		}
+		#endregion
+
 		#region 文件
 		/// <summary>
 		/// 创建文件所在的目录

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -13,6 +13,7 @@ namespace YooAsset
 		private readonly static Dictionary<string, SceneOperationHandle> _sceneHandles = new Dictionary<string, SceneOperationHandle>(100);
 		private static long _sceneCreateCount = 0;
 
+		private string _packageName;
 		private bool _simulationOnEditor;
 		private int _loadingMaxNumber;
 		public IDecryptionServices DecryptionServices { private set; get; }
@@ -23,8 +24,9 @@ namespace YooAsset
 		/// 初始化
 		/// 注意：在使用AssetSystem之前需要初始化
 		/// </summary>
-		public void Initialize(bool simulationOnEditor, int loadingMaxNumber, IDecryptionServices decryptionServices, IBundleServices bundleServices)
+		public void Initialize(string packageName, bool simulationOnEditor, int loadingMaxNumber, IDecryptionServices decryptionServices, IBundleServices bundleServices)
 		{
+			_packageName = packageName;
 			_simulationOnEditor = simulationOnEditor;
 			_loadingMaxNumber = loadingMaxNumber;
 			DecryptionServices = decryptionServices;
@@ -184,7 +186,7 @@ namespace YooAsset
 			}
 
 			var handle = provider.CreateHandle<SceneOperationHandle>();
-			handle.PackageName = BundleServices.GetPackageName();
+			handle.PackageName = _packageName;
 			_sceneHandles.Add(providerGUID, handle);
 			return handle;
 		}
@@ -300,7 +302,7 @@ namespace YooAsset
 			// 释放资源包下的所有场景
 			if (BundleServices.IsServicesValid())
 			{
-				string packageName = BundleServices.GetPackageName();
+				string packageName = _packageName;
 				List<string> removeList = new List<string>();
 				foreach (var valuePair in _sceneHandles)
 				{

Assets/YooAsset/Runtime/AssetSystem/Handles/OperationHandleBase.cs

@@ -23,6 +23,18 @@ namespace YooAsset
 			return _assetInfo;
 		}
 
+		/// <summary>
+		/// 获取下载报告
+		/// </summary>
+		public DownloadReport GetDownloadReport()
+		{
+			if (IsValidWithWarning == false)
+			{
+				return DownloadReport.CreateDefaultReport();
+			}
+			return Provider.GetDownloadReport();
+		}
+
 		/// <summary>
 		/// 当前状态
 		/// </summary>

Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleFileLoader.cs

@@ -89,6 +89,8 @@ namespace YooAsset
 			// 2. 检测服务器下载结果
 			if (_steps == ESteps.CheckDownload)
 			{
+				DownloadProgress = _downloader.DownloadProgress;
+				DownloadedBytes = _downloader.DownloadedBytes;
 				if (_downloader.IsDone() == false)
 					return;
 
@@ -108,7 +110,7 @@ namespace YooAsset
 			if (_steps == ESteps.Unpack)
 			{
 				int failedTryAgain = 1;
-				var bundleInfo = HostPlayModeImpl.ConvertToUnpackInfo(MainBundleInfo.Bundle);
+				var bundleInfo = PatchManifestTools.GetUnpackInfo(MainBundleInfo.Bundle);
 				_unpacker = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
 				_steps = ESteps.CheckUnpack;
 			}
@@ -116,6 +118,8 @@ namespace YooAsset
 			// 4.检测内置文件解压结果
 			if (_steps == ESteps.CheckUnpack)
 			{
+				DownloadProgress = _unpacker.DownloadProgress;
+				DownloadedBytes = _unpacker.DownloadedBytes;
 				if (_unpacker.IsDone() == false)
 					return;
 
@@ -146,6 +150,10 @@ namespace YooAsset
 				}
 #endif
 
+				// 设置下载进度
+				DownloadProgress = 1f;
+				DownloadedBytes = (ulong)MainBundleInfo.Bundle.FileSize;
+
 				// Load assetBundle file
 				var loadMethod = (EBundleLoadMethod)MainBundleInfo.Bundle.LoadMethod;
 				if (loadMethod == EBundleLoadMethod.Normal)

Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleWebLoader.cs

@@ -76,6 +76,8 @@ namespace YooAsset
 			// 2. 检测服务器下载结果
 			if (_steps == ESteps.CheckDownload)
 			{
+				DownloadProgress = _downloader.DownloadProgress;
+				DownloadedBytes = _downloader.DownloadedBytes;
 				if (_downloader.IsDone() == false)
 					return;
 
@@ -106,6 +108,10 @@ namespace YooAsset
 				}
 #endif
 
+				// 设置下载进度
+				DownloadProgress = 1f;
+				DownloadedBytes = (ulong)MainBundleInfo.Bundle.FileSize;
+
 				// Load assetBundle file
 				var loadMethod = (EBundleLoadMethod)MainBundleInfo.Bundle.LoadMethod;
 				if (loadMethod == EBundleLoadMethod.Normal)
@@ -171,6 +177,8 @@ namespace YooAsset
 			// 6. 检测AssetBundle加载结果
 			if (_steps == ESteps.CheckLoadWebFile)
 			{
+				DownloadProgress = _webRequest.downloadProgress;
+				DownloadedBytes = _webRequest.downloadedBytes;
 				if (_webRequest.isDone == false)
 					return;
 

Assets/YooAsset/Runtime/AssetSystem/Loader/BundleLoaderBase.cs

@@ -18,7 +18,7 @@ namespace YooAsset
 		/// 所属资源系统
 		/// </summary>
 		public AssetSystemImpl Impl { private set; get; }
-		
+
 		/// <summary>
 		/// 资源包文件信息
 		/// </summary>
@@ -47,7 +47,9 @@ namespace YooAsset
 		private readonly List<ProviderBase> _providers = new List<ProviderBase>(100);
 		internal AssetBundle CacheBundle { set; get; }
 		internal string FileLoadPath { set; get; }
-		
+		internal float DownloadProgress { set; get; }
+		internal ulong DownloadedBytes { set; get; }
+
 
 		public BundleLoaderBase(AssetSystemImpl impl, BundleInfo bundleInfo)
 		{
@@ -82,34 +84,6 @@ namespace YooAsset
 			RefCount--;
 		}
 
-		/// <summary>
-		/// 轮询更新
-		/// </summary>
-		public abstract void Update();
-
-		/// <summary>
-		/// 销毁
-		/// </summary>
-		public virtual void Destroy(bool forceDestroy)
-		{
-			IsDestroyed = true;
-
-			// Check fatal
-			if (forceDestroy == false)
-			{
-				if (RefCount > 0)
-					throw new Exception($"Bundle file loader ref is not zero : {MainBundleInfo.Bundle.BundleName}");
-				if (IsDone() == false)
-					throw new Exception($"Bundle file loader is not done : {MainBundleInfo.Bundle.BundleName}");
-			}
-
-			if (CacheBundle != null)
-			{
-				CacheBundle.Unload(true);
-				CacheBundle = null;
-			}
-		}
-
 		/// <summary>
 		/// 是否完毕（无论成功或失败）
 		/// </summary>
@@ -159,6 +133,35 @@ namespace YooAsset
 			_providers.Clear();
 		}
 
+
+		/// <summary>
+		/// 轮询更新
+		/// </summary>
+		public abstract void Update();
+
+		/// <summary>
+		/// 销毁
+		/// </summary>
+		public virtual void Destroy(bool forceDestroy)
+		{
+			IsDestroyed = true;
+
+			// Check fatal
+			if (forceDestroy == false)
+			{
+				if (RefCount > 0)
+					throw new Exception($"Bundle file loader ref is not zero : {MainBundleInfo.Bundle.BundleName}");
+				if (IsDone() == false)
+					throw new Exception($"Bundle file loader is not done : {MainBundleInfo.Bundle.BundleName}");
+			}
+
+			if (CacheBundle != null)
+			{
+				CacheBundle.Unload(true);
+				CacheBundle = null;
+			}
+		}
+
 		/// <summary>
 		/// 主线程等待异步操作完毕
 		/// </summary>

Assets/YooAsset/Runtime/AssetSystem/Loader/DependAssetBundleGrouper.cs

@@ -9,12 +9,12 @@ namespace YooAsset
 		/// <summary>
 		/// 依赖的资源包加载器列表
 		/// </summary>
-		private readonly List<BundleLoaderBase> _dependBundles;
+		internal readonly List<BundleLoaderBase> DependBundles;
 
 
 		public DependAssetBundleGroup(List<BundleLoaderBase> dpendBundles)
 		{
-			_dependBundles = dpendBundles;
+			DependBundles = dpendBundles;
 		}
 
 		/// <summary>
@@ -22,7 +22,7 @@ namespace YooAsset
 		/// </summary>
 		public bool IsDone()
 		{
-			foreach (var loader in _dependBundles)
+			foreach (var loader in DependBundles)
 			{
 				if (loader.IsDone() == false)
 					return false;
@@ -35,7 +35,7 @@ namespace YooAsset
 		/// </summary>
 		public bool IsSucceed()
 		{
-			foreach (var loader in _dependBundles)
+			foreach (var loader in DependBundles)
 			{
 				if (loader.Status != BundleLoaderBase.EStatus.Succeed)
 				{
@@ -50,7 +50,7 @@ namespace YooAsset
 		/// </summary>
 		public string GetLastError()
 		{
-			foreach (var loader in _dependBundles)
+			foreach (var loader in DependBundles)
 			{
 				if (loader.Status != BundleLoaderBase.EStatus.Succeed)
 				{
@@ -65,7 +65,7 @@ namespace YooAsset
 		/// </summary>
 		public void WaitForAsyncComplete()
 		{
-			foreach (var loader in _dependBundles)
+			foreach (var loader in DependBundles)
 			{
 				if (loader.IsDone() == false)
 					loader.WaitForAsyncComplete();
@@ -77,7 +77,7 @@ namespace YooAsset
 		/// </summary>
 		public void Reference()
 		{
-			foreach (var loader in _dependBundles)
+			foreach (var loader in DependBundles)
 			{
 				loader.Reference();
 			}
@@ -88,7 +88,7 @@ namespace YooAsset
 		/// </summary>
 		public void Release()
 		{
-			foreach (var loader in _dependBundles)
+			foreach (var loader in DependBundles)
 			{
 				loader.Release();
 			}
@@ -99,7 +99,7 @@ namespace YooAsset
 		/// </summary>
 		internal void GetBundleDebugInfos(List<DebugBundleInfo> output)
 		{
-			foreach (var loader in _dependBundles)
+			foreach (var loader in DependBundles)
 			{
 				var bundleInfo = new DebugBundleInfo();
 				bundleInfo.BundleName = loader.MainBundleInfo.Bundle.BundleName;

Assets/YooAsset/Runtime/AssetSystem/Loader/RawBundleFileLoader.cs

@@ -72,6 +72,8 @@ namespace YooAsset
 			// 2. 检测下载结果
 			if (_steps == ESteps.CheckDownload)
 			{
+				DownloadProgress = _downloader.DownloadProgress;
+				DownloadedBytes = _downloader.DownloadedBytes;
 				if (_downloader.IsDone() == false)
 					return;
 
@@ -91,7 +93,7 @@ namespace YooAsset
 			if (_steps == ESteps.Unpack)
 			{
 				int failedTryAgain = 1;
-				var bundleInfo = HostPlayModeImpl.ConvertToUnpackInfo(MainBundleInfo.Bundle);
+				var bundleInfo = PatchManifestTools.GetUnpackInfo(MainBundleInfo.Bundle);
 				_unpacker = DownloadSystem.BeginDownload(bundleInfo, failedTryAgain);
 				_steps = ESteps.CheckUnpack;
 			}
@@ -99,6 +101,8 @@ namespace YooAsset
 			// 4. 检测解压结果
 			if (_steps == ESteps.CheckUnpack)
 			{
+				DownloadProgress = _unpacker.DownloadProgress;
+				DownloadedBytes = _unpacker.DownloadedBytes;
 				if (_unpacker.IsDone() == false)
 					return;
 
@@ -117,6 +121,10 @@ namespace YooAsset
 			// 5. 检测结果
 			if (_steps == ESteps.CheckFile)
 			{
+				// 设置下载进度
+				DownloadProgress = 1f;
+				DownloadedBytes = (ulong)MainBundleInfo.Bundle.FileSize;
+
 				_steps = ESteps.Done;
 				if (File.Exists(FileLoadPath))
 				{

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledAssetProvider.cs

@@ -7,15 +7,6 @@ namespace YooAsset
 	internal sealed class BundledAssetProvider : BundledProvider
 	{
 		private AssetBundleRequest _cacheRequest;
-		public override float Progress
-		{
-			get
-			{
-				if (_cacheRequest == null)
-					return 0;
-				return _cacheRequest.progress;
-			}
-		}
 
 		public BundledAssetProvider(AssetSystemImpl impl, string providerGUID, AssetInfo assetInfo) : base(impl, providerGUID, assetInfo)
 		{
@@ -109,6 +100,7 @@ namespace YooAsset
 					}
 					else
 					{
+						Progress = _cacheRequest.progress;
 						if (_cacheRequest.isDone == false)
 							return;
 						AssetObject = _cacheRequest.asset;

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledProvider.cs

@@ -35,6 +35,23 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 获取下载报告
+		/// </summary>
+		public override DownloadReport GetDownloadReport()
+		{
+			DownloadReport result = new DownloadReport();
+			result.TotalSize = (ulong)OwnerBundle.MainBundleInfo.Bundle.FileSize;
+			result.DownloadedBytes = OwnerBundle.DownloadedBytes;
+			foreach (var dependBundle in DependBundleGroup.DependBundles)
+			{
+				result.TotalSize += (ulong)dependBundle.MainBundleInfo.Bundle.FileSize;
+				result.DownloadedBytes += dependBundle.DownloadedBytes;
+			}
+			result.Progress = result.DownloadedBytes / result.TotalSize;
+			return result;
+		}
+
 		/// <summary>
 		/// 获取资源包的调试信息列表
 		/// </summary>

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledRawFileProvider.cs

@@ -3,17 +3,6 @@ namespace YooAsset
 {
 	internal class BundledRawFileProvider : BundledProvider
 	{
-		public override float Progress
-		{
-			get
-			{
-				if (IsDone)
-					return 1f;
-				else
-					return 0;
-			}
-		}
-
 		public BundledRawFileProvider(AssetSystemImpl impl, string providerGUID, AssetInfo assetInfo) : base(impl, providerGUID, assetInfo)
 		{
 		}

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledSceneProvider.cs

@@ -13,15 +13,6 @@ namespace YooAsset
 		private readonly bool _activateOnLoad;
 		private readonly int _priority;
 		private AsyncOperation _asyncOp;
-		public override float Progress
-		{
-			get
-			{
-				if (_asyncOp == null)
-					return 0;
-				return _asyncOp.progress;
-			}
-		}
 
 		public BundledSceneProvider(AssetSystemImpl impl, string providerGUID, AssetInfo assetInfo, LoadSceneMode sceneMode, bool activateOnLoad, int priority) : base(impl, providerGUID, assetInfo)
 		{
@@ -93,6 +84,7 @@ namespace YooAsset
 			// 3. 检测加载结果
 			if (Status == EStatus.Checking)
 			{
+				Progress = _asyncOp.progress;
 				if (_asyncOp.isDone)
 				{
 					if (SceneObject.IsValid() && _activateOnLoad)

Assets/YooAsset/Runtime/AssetSystem/Provider/BundledSubAssetsProvider.cs

@@ -7,15 +7,6 @@ namespace YooAsset
 	internal sealed class BundledSubAssetsProvider : BundledProvider
 	{
 		private AssetBundleRequest _cacheRequest;
-		public override float Progress
-		{
-			get
-			{
-				if (_cacheRequest == null)
-					return 0;
-				return _cacheRequest.progress;
-			}
-		}
 
 		public BundledSubAssetsProvider(AssetSystemImpl impl, string providerGUID, AssetInfo assetInfo) : base(impl, providerGUID, assetInfo)
 		{
@@ -98,6 +89,7 @@ namespace YooAsset
 					}
 					else
 					{
+						Progress = _cacheRequest.progress;
 						if (_cacheRequest.isDone == false)
 							return;
 						AllAssetObjects = _cacheRequest.allAssets;

Assets/YooAsset/Runtime/AssetSystem/Provider/CompletedProvider.cs

@@ -3,17 +3,6 @@ namespace YooAsset
 {
 	internal sealed class CompletedProvider : ProviderBase
 	{
-		public override float Progress
-		{
-			get
-			{
-				if (IsDone)
-					return 1f;
-				else
-					return 0;
-			}
-		}
-
 		public CompletedProvider(AssetInfo assetInfo) : base(null, string.Empty, assetInfo)
 		{
 		}

Assets/YooAsset/Runtime/AssetSystem/Provider/DatabaseAssetProvider.cs

@@ -6,17 +6,6 @@ namespace YooAsset
 {
 	internal sealed class DatabaseAssetProvider : ProviderBase
 	{
-		public override float Progress
-		{
-			get
-			{
-				if (IsDone)
-					return 1f;
-				else
-					return 0;
-			}
-		}
-
 		public DatabaseAssetProvider(AssetSystemImpl impl, string providerGUID, AssetInfo assetInfo) : base(impl, providerGUID, assetInfo)
 		{
 		}

Assets/YooAsset/Runtime/AssetSystem/Provider/DatabaseRawFileProvider.cs

@@ -3,17 +3,6 @@ namespace YooAsset
 {
 	internal class DatabaseRawFileProvider : ProviderBase
 	{
-		public override float Progress
-		{
-			get
-			{
-				if (IsDone)
-					return 1f;
-				else
-					return 0;
-			}
-		}
-
 		public DatabaseRawFileProvider(AssetSystemImpl impl, string providerGUID, AssetInfo assetInfo) : base(impl, providerGUID, assetInfo)
 		{
 		}

Assets/YooAsset/Runtime/AssetSystem/Provider/DatabaseSceneProvider.cs

@@ -9,15 +9,6 @@ namespace YooAsset
 		private readonly bool _activateOnLoad;
 		private readonly int _priority;
 		private AsyncOperation _asyncOp;
-		public override float Progress
-		{
-			get
-			{
-				if (_asyncOp == null)
-					return 0;
-				return _asyncOp.progress;
-			}
-		}
 
 		public DatabaseSceneProvider(AssetSystemImpl impl, string providerGUID, AssetInfo assetInfo, LoadSceneMode sceneMode, bool activateOnLoad, int priority) : base(impl, providerGUID, assetInfo)
 		{
@@ -61,6 +52,7 @@ namespace YooAsset
 			// 2. 检测加载结果
 			if (Status == EStatus.Checking)
 			{
+				Progress = _asyncOp.progress;
 				if (_asyncOp.isDone)
 				{				
 					if (SceneObject.IsValid() && _activateOnLoad)

Assets/YooAsset/Runtime/AssetSystem/Provider/DatabaseSubAssetsProvider.cs

@@ -6,17 +6,6 @@ namespace YooAsset
 {
 	internal sealed class DatabaseSubAssetsProvider : ProviderBase
 	{
-		public override float Progress
-		{
-			get
-			{
-				if (IsDone)
-					return 1f;
-				else
-					return 0;
-			}
-		}
-
 		public DatabaseSubAssetsProvider(AssetSystemImpl impl, string providerGUID, AssetInfo assetInfo) : base(impl, providerGUID, assetInfo)
 		{
 		}

Assets/YooAsset/Runtime/AssetSystem/Provider/ProviderBase.cs

@@ -63,6 +63,11 @@ namespace YooAsset
 		/// </summary>
 		public string LastError { protected set; get; } = string.Empty;
 
+		/// <summary>
+		/// 加载进度
+		/// </summary>
+		public float Progress { protected set; get; } = 0f;
+
 		/// <summary>
 		/// 引用计数
 		/// </summary>
@@ -84,17 +89,6 @@ namespace YooAsset
 			}
 		}
 
-		/// <summary>
-		/// 加载进度
-		/// </summary>
-		public virtual float Progress
-		{
-			get
-			{
-				return 0;
-			}
-		}
-
 
 		protected bool IsWaitForAsyncComplete { private set; get; } = false;
 		private readonly List<OperationHandleBase> _handles = new List<OperationHandleBase>();
@@ -120,6 +114,14 @@ namespace YooAsset
 			IsDestroyed = true;
 		}
 
+		/// <summary>
+		/// 获取下载进度
+		/// </summary>
+		public virtual DownloadReport GetDownloadReport()
+		{
+			return DownloadReport.CreateDefaultReport();
+		}
+
 		/// <summary>
 		/// 是否可以销毁
 		/// </summary>
@@ -219,6 +221,9 @@ namespace YooAsset
 		private TaskCompletionSource<object> _taskCompletionSource;
 		protected void InvokeCompletion()
 		{
+			// 进度百分百完成
+			Progress = 1f;
+
 			// 注意：创建临时列表是为了防止外部逻辑在回调函数内创建或者释放资源句柄。
 			List<OperationHandleBase> tempers = new List<OperationHandleBase>(_handles);
 			foreach (var hande in tempers)

Assets/YooAsset/Runtime/AssetsPackage.cs

@@ -13,10 +13,8 @@ namespace YooAsset
 		private EOperationStatus _initializeStatus = EOperationStatus.None;
 		private EPlayMode _playMode;
 		private IBundleServices _bundleServices;
+		private IPlayModeServices _playModeServices;
 		private AssetSystemImpl _assetSystemImpl;
-		private EditorSimulateModeImpl _editorSimulateModeImpl;
-		private OfflinePlayModeImpl _offlinePlayModeImpl;
-		private HostPlayModeImpl _hostPlayModeImpl;
 
 		/// <summary>
 		/// 包裹名
@@ -59,11 +57,8 @@ namespace YooAsset
 				_isInitialize = false;
 				_initializeError = string.Empty;
 				_initializeStatus = EOperationStatus.None;
-
 				_bundleServices = null;
-				_editorSimulateModeImpl = null;
-				_offlinePlayModeImpl = null;
-				_hostPlayModeImpl = null;
+				_playModeServices = null;
 
 				if (_assetSystemImpl != null)
 				{
@@ -89,36 +84,39 @@ namespace YooAsset
 			_assetSystemImpl = new AssetSystemImpl();
 			if (_playMode == EPlayMode.EditorSimulateMode)
 			{
-				_editorSimulateModeImpl = new EditorSimulateModeImpl();
-				_bundleServices = _editorSimulateModeImpl;
-				_assetSystemImpl.Initialize(true, parameters.AssetLoadingMaxNumber, parameters.DecryptionServices, _bundleServices);
+				var editorSimulateModeImpl = new EditorSimulateModeImpl();
+				_bundleServices = editorSimulateModeImpl;
+				_playModeServices = editorSimulateModeImpl;
+				_assetSystemImpl.Initialize(PackageName, true, parameters.AssetLoadingMaxNumber, parameters.DecryptionServices, _bundleServices);
+
 				var initializeParameters = parameters as EditorSimulateModeParameters;
-				initializeOperation = _editorSimulateModeImpl.InitializeAsync(
-					initializeParameters.LocationToLower,
-					initializeParameters.SimulatePatchManifestPath);
+				initializeOperation = editorSimulateModeImpl.InitializeAsync(initializeParameters.LocationToLower, initializeParameters.SimulatePatchManifestPath);
 			}
 			else if (_playMode == EPlayMode.OfflinePlayMode)
 			{
-				_offlinePlayModeImpl = new OfflinePlayModeImpl();
-				_bundleServices = _offlinePlayModeImpl;
-				_assetSystemImpl.Initialize(false, parameters.AssetLoadingMaxNumber, parameters.DecryptionServices, _bundleServices);
+				var offlinePlayModeImpl = new OfflinePlayModeImpl();
+				_bundleServices = offlinePlayModeImpl;
+				_playModeServices = offlinePlayModeImpl;
+				_assetSystemImpl.Initialize(PackageName, false, parameters.AssetLoadingMaxNumber, parameters.DecryptionServices, _bundleServices);
+
 				var initializeParameters = parameters as OfflinePlayModeParameters;
-				initializeOperation = _offlinePlayModeImpl.InitializeAsync(
-					initializeParameters.LocationToLower,
-					PackageName);
+				initializeOperation = offlinePlayModeImpl.InitializeAsync(PackageName, initializeParameters.LocationToLower);
 			}
 			else if (_playMode == EPlayMode.HostPlayMode)
 			{
-				_hostPlayModeImpl = new HostPlayModeImpl();
-				_bundleServices = _hostPlayModeImpl;
-				_assetSystemImpl.Initialize(false, parameters.AssetLoadingMaxNumber, parameters.DecryptionServices, _bundleServices);
+				var hostPlayModeImpl = new HostPlayModeImpl();
+				_bundleServices = hostPlayModeImpl;
+				_playModeServices = hostPlayModeImpl;
+				_assetSystemImpl.Initialize(PackageName, false, parameters.AssetLoadingMaxNumber, parameters.DecryptionServices, _bundleServices);
+
 				var initializeParameters = parameters as HostPlayModeParameters;
-				initializeOperation = _hostPlayModeImpl.InitializeAsync(
+				initializeOperation = hostPlayModeImpl.InitializeAsync(
+					PackageName,
 					initializeParameters.LocationToLower,
 					initializeParameters.DefaultHostServer,
 					initializeParameters.FallbackHostServer,
-					initializeParameters.QueryServices,
-					PackageName);
+					initializeParameters.QueryServices
+					);
 			}
 			else
 			{
@@ -138,10 +136,8 @@ namespace YooAsset
 				_initializeStatus = EOperationStatus.None;
 				_initializeError = string.Empty;
 				_bundleServices = null;
+				_playModeServices = null;
 				_assetSystemImpl = null;
-				_editorSimulateModeImpl = null;
-				_offlinePlayModeImpl = null;
-				_hostPlayModeImpl = null;
 			}
 		}
 		private void CheckInitializeParameters(InitializeParameters parameters)
@@ -201,99 +197,54 @@ namespace YooAsset
 		/// <summary>
 		/// 向网络端请求最新的资源版本
 		/// </summary>
-		/// <param name="timeout">超时时间（默认值：60秒）</param>
 		/// <param name="appendTimeTicks">在URL末尾添加时间戳</param>
-		public UpdatePackageVersionOperation UpdatePackageVersionAsync(int timeout = 60, bool appendTimeTicks = true)
+		/// <param name="timeout">超时时间（默认值：60秒）</param>
+		public UpdatePackageVersionOperation UpdatePackageVersionAsync(bool appendTimeTicks = true, int timeout = 60)
 		{
 			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode)
-			{
-				var operation = new EditorPlayModeUpdatePackageVersionOperation();
-				OperationSystem.StartOperation(operation);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.OfflinePlayMode)
-			{
-				var operation = new OfflinePlayModeUpdatePackageVersionOperation();
-				OperationSystem.StartOperation(operation);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.UpdatePackageVersionAsync(PackageName, timeout, appendTimeTicks);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			return _playModeServices.UpdatePackageVersionAsync(appendTimeTicks, timeout);
 		}
 
 		/// <summary>
 		/// 向网络端请求并更新补丁清单
 		/// </summary>
 		/// <param name="packageVersion">更新的包裹版本</param>
+		/// <param name="autoActiveManifest">自动激活清单</param>
 		/// <param name="timeout">超时时间（默认值：60秒）</param>
 		public UpdatePackageManifestOperation UpdatePackageManifestAsync(string packageVersion, int timeout = 60)
 		{
 			DebugCheckInitialize();
 			DebugCheckUpdateManifest();
-			if (_playMode == EPlayMode.EditorSimulateMode)
-			{
-				var operation = new EditorPlayModeUpdatePackageManifestOperation();
-				OperationSystem.StartOperation(operation);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.OfflinePlayMode)
-			{
-				var operation = new OfflinePlayModeUpdatePackageManifestOperation();
-				OperationSystem.StartOperation(operation);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.UpdatePackageManifestAsync(PackageName, packageVersion, timeout);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			return _playModeServices.UpdatePackageManifestAsync(packageVersion, timeout);
 		}
 
 		/// <summary>
-		/// 检查本地包裹内容的完整性
+		/// 预下载指定版本的包裹资源
 		/// </summary>
-		public CheckPackageContentsOperation CheckPackageContentsAsync()
+		/// <param name="packageVersion">下载的包裹版本</param>
+		/// <param name="timeout">超时时间（默认值：60秒）</param>
+		public PreDownloadPackageOperation PreDownloadPackageAsync(string packageVersion, int timeout = 60)
 		{
 			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode)
-			{
-				var operation = new EditorSimulateModeCheckPackageContentsOperation();
-				OperationSystem.StartOperation(operation);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.OfflinePlayMode)
-			{
-				var operation = new OfflinePlayModeCheckPackageContentsOperation();
-				OperationSystem.StartOperation(operation);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.CheckPackageContentsAsync(PackageName);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			return _playModeServices.PreDownloadPackageAsync(packageVersion, timeout);
 		}
 
 		/// <summary>
-		/// 清理本地包裹未使用的缓存文件
+		/// 检查包裹内容的完整性
 		/// </summary>
-		public ClearPackageUnusedCacheFilesOperation ClearPackageUnusedCacheFilesAsync()
+		public CheckPackageContentsOperation CheckPackageContentsAsync(string packageVersion)
 		{
 			DebugCheckInitialize();
-			var operation = new ClearPackageUnusedCacheFilesOperation(this);
+			return _playModeServices.CheckPackageContentsOperation(packageVersion);
+		}
+
+		/// <summary>
+		/// 清理包裹未使用的缓存文件
+		/// </summary>
+		public ClearUnusedCacheFilesOperation ClearUnusedCacheFilesAsync()
+		{
+			DebugCheckInitialize();
+			var operation = new ClearUnusedCacheFilesOperation(this);
 			OperationSystem.StartOperation(operation);
 			return operation;
 		}
@@ -304,22 +255,9 @@ namespace YooAsset
 		public string GetPackageVersion()
 		{
 			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode)
-			{
-				return _editorSimulateModeImpl.GetPackageVersion();
-			}
-			else if (_playMode == EPlayMode.OfflinePlayMode)
-			{
-				return _offlinePlayModeImpl.GetPackageVersion();
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.GetPackageVersion();
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			if (_playModeServices.ActiveManifest == null)
+				return string.Empty;
+			return _playModeServices.ActiveManifest.PackageVersion;
 		}
 
 		/// <summary>
@@ -392,7 +330,7 @@ namespace YooAsset
 		{
 			DebugCheckInitialize();
 			string[] tags = new string[] { tag };
-			return _bundleServices.GetAssetInfos(tags);
+			return _playModeServices.ActiveManifest.GetAssetsInfoByTags(tags);
 		}
 
 		/// <summary>
@@ -402,7 +340,7 @@ namespace YooAsset
 		public AssetInfo[] GetAssetInfos(string[] tags)
 		{
 			DebugCheckInitialize();
-			return _bundleServices.GetAssetInfos(tags);
+			return _playModeServices.ActiveManifest.GetAssetsInfoByTags(tags);
 		}
 
 		/// <summary>
@@ -423,7 +361,7 @@ namespace YooAsset
 		public bool CheckLocationValid(string location)
 		{
 			DebugCheckInitialize();
-			string assetPath = _bundleServices.TryMappingToAssetPath(location);
+			string assetPath = _playModeServices.ActiveManifest.TryMappingToAssetPath(location);
 			return string.IsNullOrEmpty(assetPath) == false;
 		}
 		#endregion
@@ -710,7 +648,7 @@ namespace YooAsset
 		public PatchDownloaderOperation CreatePatchDownloader(string tag, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
 		{
 			DebugCheckInitialize();
-			return CreatePatchDownloader(new string[] { tag }, downloadingMaxNumber, failedTryAgain, timeout);
+			return _playModeServices.CreatePatchDownloaderByTags(new string[] { tag }, downloadingMaxNumber, failedTryAgain, timeout);
 		}
 
 		/// <summary>
@@ -723,20 +661,7 @@ namespace YooAsset
 		public PatchDownloaderOperation CreatePatchDownloader(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
 		{
 			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode || _playMode == EPlayMode.OfflinePlayMode)
-			{
-				List<BundleInfo> downloadList = new List<BundleInfo>();
-				var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.CreatePatchDownloaderByTags(tags, downloadingMaxNumber, failedTryAgain, timeout);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			return _playModeServices.CreatePatchDownloaderByTags(tags, downloadingMaxNumber, failedTryAgain, timeout);
 		}
 
 		/// <summary>
@@ -748,53 +673,7 @@ namespace YooAsset
 		public PatchDownloaderOperation CreatePatchDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
 		{
 			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode || _playMode == EPlayMode.OfflinePlayMode)
-			{
-				List<BundleInfo> downloadList = new List<BundleInfo>();
-				var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.CreatePatchDownloaderByAll(downloadingMaxNumber, failedTryAgain, timeout);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
-		}
-
-
-		/// <summary>
-		/// 创建补丁下载器，用于下载更新指定的资源列表依赖的资源包文件
-		/// </summary>
-		/// <param name="locations">资源定位列表</param>
-		/// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
-		/// <param name="failedTryAgain">下载失败的重试次数</param>
-		/// <param name="timeout">超时时间</param>
-		public PatchDownloaderOperation CreateBundleDownloader(string[] locations, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
-		{
-			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode || _playMode == EPlayMode.OfflinePlayMode)
-			{
-				List<BundleInfo> downloadList = new List<BundleInfo>();
-				var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				List<AssetInfo> assetInfos = new List<AssetInfo>(locations.Length);
-				foreach (var location in locations)
-				{
-					AssetInfo assetInfo = ConvertLocationToAssetInfo(location, null);
-					assetInfos.Add(assetInfo);
-				}
-				return _hostPlayModeImpl.CreatePatchDownloaderByPaths(assetInfos.ToArray(), downloadingMaxNumber, failedTryAgain, timeout);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			return _playModeServices.CreatePatchDownloaderByAll(downloadingMaxNumber, failedTryAgain, timeout);
 		}
 
 		/// <summary>
@@ -807,20 +686,7 @@ namespace YooAsset
 		public PatchDownloaderOperation CreateBundleDownloader(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
 		{
 			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode || _playMode == EPlayMode.OfflinePlayMode)
-			{
-				List<BundleInfo> downloadList = new List<BundleInfo>();
-				var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.CreatePatchDownloaderByPaths(assetInfos, downloadingMaxNumber, failedTryAgain, timeout);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			return _playModeServices.CreatePatchDownloaderByPaths(assetInfos, downloadingMaxNumber, failedTryAgain, timeout);
 		}
 		#endregion
 
@@ -834,7 +700,7 @@ namespace YooAsset
 		public PatchUnpackerOperation CreatePatchUnpacker(string tag, int unpackingMaxNumber, int failedTryAgain)
 		{
 			DebugCheckInitialize();
-			return CreatePatchUnpacker(new string[] { tag }, unpackingMaxNumber, failedTryAgain);
+			return _playModeServices.CreatePatchUnpackerByTags(new string[] { tag }, unpackingMaxNumber, failedTryAgain, int.MaxValue);
 		}
 
 		/// <summary>
@@ -846,26 +712,7 @@ namespace YooAsset
 		public PatchUnpackerOperation CreatePatchUnpacker(string[] tags, int unpackingMaxNumber, int failedTryAgain)
 		{
 			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode)
-			{
-				List<BundleInfo> downloadList = new List<BundleInfo>();
-				var operation = new PatchUnpackerOperation(downloadList, unpackingMaxNumber, failedTryAgain, int.MaxValue);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.OfflinePlayMode)
-			{
-				List<BundleInfo> downloadList = new List<BundleInfo>();
-				var operation = new PatchUnpackerOperation(downloadList, unpackingMaxNumber, failedTryAgain, int.MaxValue);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.CreatePatchUnpackerByTags(tags, unpackingMaxNumber, failedTryAgain, int.MaxValue);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			return _playModeServices.CreatePatchUnpackerByTags(tags, unpackingMaxNumber, failedTryAgain, int.MaxValue);
 		}
 
 		/// <summary>
@@ -876,58 +723,7 @@ namespace YooAsset
 		public PatchUnpackerOperation CreatePatchUnpacker(int unpackingMaxNumber, int failedTryAgain)
 		{
 			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode)
-			{
-				List<BundleInfo> downloadList = new List<BundleInfo>();
-				var operation = new PatchUnpackerOperation(downloadList, unpackingMaxNumber, failedTryAgain, int.MaxValue);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.OfflinePlayMode)
-			{
-				List<BundleInfo> downloadList = new List<BundleInfo>();
-				var operation = new PatchUnpackerOperation(downloadList, unpackingMaxNumber, failedTryAgain, int.MaxValue);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.CreatePatchUnpackerByAll(unpackingMaxNumber, failedTryAgain, int.MaxValue);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
-		}
-		#endregion
-
-		#region 包裹更新
-		/// <summary>
-		/// 创建资源包裹下载器，用于下载更新指定资源版本所有的资源包文件
-		/// </summary>
-		/// <param name="packageVersion">指定更新的包裹版本</param>
-		/// <param name="timeout">超时时间</param>
-		public DownloadPackageOperation DownloadPackageAsync(string packageVersion, int timeout = 60)
-		{
-			DebugCheckInitialize();
-			if (_playMode == EPlayMode.EditorSimulateMode)
-			{
-				var operation = new EditorPlayModeDownloadPackageOperation();
-				OperationSystem.StartOperation(operation);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.OfflinePlayMode)
-			{
-				var operation = new OfflinePlayModeDownloadPackageOperation();
-				OperationSystem.StartOperation(operation);
-				return operation;
-			}
-			else if (_playMode == EPlayMode.HostPlayMode)
-			{
-				return _hostPlayModeImpl.DownloadPackageAsync(PackageName, packageVersion, timeout);
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			return _playModeServices.CreatePatchUnpackerByAll(unpackingMaxNumber, failedTryAgain, int.MaxValue);
 		}
 		#endregion
 
@@ -940,7 +736,15 @@ namespace YooAsset
 			// NOTE : 编辑器模拟模式下始终返回TRUE
 			if (_playMode == EPlayMode.EditorSimulateMode)
 				return true;
-			return _bundleServices.IsIncludeBundleFile(fileName);
+			return _playModeServices.ActiveManifest.IsIncludeBundleFile(fileName);
+		}
+
+		/// <summary>
+		/// 资源定位地址转换为资源信息类
+		/// </summary>
+		private AssetInfo ConvertLocationToAssetInfo(string location, System.Type assetType)
+		{
+			return _playModeServices.ActiveManifest.ConvertLocationToAssetInfo(location, assetType);
 		}
 		#endregion
 
@@ -954,31 +758,13 @@ namespace YooAsset
 				throw new Exception($"Package initialize failed ! {_initializeError}");
 		}
 
-		[Conditional("DEBUG")]
-		private void DebugCheckLocation(string location)
-		{
-			if (string.IsNullOrEmpty(location) == false)
-			{
-				// 检查路径末尾是否有空格
-				int index = location.LastIndexOf(" ");
-				if (index != -1)
-				{
-					if (location.Length == index + 1)
-						YooLogger.Warning($"Found blank character in location : \"{location}\"");
-				}
-
-				if (location.IndexOfAny(System.IO.Path.GetInvalidPathChars()) >= 0)
-					YooLogger.Warning($"Found illegal character in location : \"{location}\"");
-			}
-		}
-
 		[Conditional("DEBUG")]
 		private void DebugCheckUpdateManifest()
 		{
 			var loadedBundleInfos = _assetSystemImpl.GetLoadedBundleInfos();
 			if (loadedBundleInfos.Count > 0)
 			{
-				YooLogger.Error($"Found loaded bundle before update manifest ! Recommended to call the  {nameof(ForceUnloadAllAssets)} method to release loaded bundle !");
+				YooLogger.Warning($"Found loaded bundle before update manifest ! Recommended to call the  {nameof(ForceUnloadAllAssets)} method to release loaded bundle !");
 			}
 		}
 		#endregion
@@ -992,33 +778,5 @@ namespace YooAsset
 			return data;
 		}
 		#endregion
-
-		#region 私有方法
-		/// <summary>
-		/// 资源定位地址转换为资源信息类，失败时内部会发出错误日志。
-		/// </summary>
-		/// <returns>如果转换失败会返回一个无效的资源信息类</returns>
-		private AssetInfo ConvertLocationToAssetInfo(string location, System.Type assetType)
-		{
-			DebugCheckLocation(location);
-			string assetPath = _bundleServices.MappingToAssetPath(location);
-			PatchAsset patchAsset = _bundleServices.TryGetPatchAsset(assetPath);
-			if (patchAsset != null)
-			{
-				AssetInfo assetInfo = new AssetInfo(patchAsset, assetType);
-				return assetInfo;
-			}
-			else
-			{
-				string error;
-				if (string.IsNullOrEmpty(location))
-					error = $"The location is null or empty !";
-				else
-					error = $"The location is invalid : {location}";
-				AssetInfo assetInfo = new AssetInfo(error);
-				return assetInfo;
-			}
-		}
-		#endregion
 	}
 }

Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs

@@ -73,9 +73,9 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 验证并缓存补丁包文件
+		/// 验证并缓存本地文件
 		/// </summary>
-		public static EVerifyResult VerifyAndCacheBundle(PatchBundle patchBundle, EVerifyLevel verifyLevel)
+		public static EVerifyResult VerifyAndCacheLocalBundleFile(PatchBundle patchBundle, EVerifyLevel verifyLevel)
 		{
 			var verifyResult = VerifyContentInternal(patchBundle.CachedFilePath, patchBundle.FileSize, patchBundle.FileCRC, verifyLevel);
 			if (verifyResult == EVerifyResult.Succeed)
@@ -83,10 +83,40 @@ namespace YooAsset
 			return verifyResult;
 		}
 
+		/// <summary>
+		/// 验证并缓存下载文件
+		/// </summary>
+		public static EVerifyResult VerifyAndCacheDownloadBundleFile(string tempFilePath, PatchBundle patchBundle, EVerifyLevel verifyLevel)
+		{
+			var verifyResult = VerifyContentInternal(tempFilePath, patchBundle.FileSize, patchBundle.FileCRC, verifyLevel);
+			if (verifyResult == EVerifyResult.Succeed)
+			{
+				try
+				{
+					string destFilePath = patchBundle.CachedFilePath;
+					if (File.Exists(destFilePath))
+						File.Delete(destFilePath);
+
+					FileInfo fileInfo = new FileInfo(tempFilePath);
+					fileInfo.MoveTo(destFilePath);
+				}
+				catch (Exception)
+				{
+					verifyResult = EVerifyResult.FileMoveFailed;
+				}
+
+				if (verifyResult == EVerifyResult.Succeed)
+				{
+					CacheBundle(patchBundle);
+				}
+			}
+			return verifyResult;
+		}
+
 		/// <summary>
 		/// 验证文件完整性
 		/// </summary>
-		public static EVerifyResult VerifyContentInternal(string filePath, long fileSize, string fileCRC, EVerifyLevel verifyLevel)
+		private static EVerifyResult VerifyContentInternal(string filePath, long fileSize, string fileCRC, EVerifyLevel verifyLevel)
 		{
 			try
 			{

Assets/YooAsset/Runtime/CacheSystem/CacheVerifier.cs

@@ -1,181 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.IO;
-using System.Threading;
-
-namespace YooAsset
-{
-	/// <summary>
-	/// 本地缓存文件验证器
-	/// </summary>
-	internal abstract class CacheVerifier
-	{
-		public abstract void InitVerifier(List<VerifyInfo> verifyInfos);
-		public abstract bool UpdateVerifier();
-		public abstract float GetVerifierProgress();
-
-		public List<VerifyInfo> VerifySuccessList { protected set; get; }
-		public List<VerifyInfo> VerifyFailList { protected set; get; }
-	}
-
-	/// <summary>
-	/// 本地缓存文件验证器（线程版）
-	/// </summary>
-	internal class CacheVerifierWithThread : CacheVerifier
-	{
-		private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
-		private readonly List<VerifyInfo> _waitingList = new List<VerifyInfo>(1000);
-		private readonly List<VerifyInfo> _verifyingList = new List<VerifyInfo>(100);
-		private int _verifyMaxNum;
-		private int _verifyTotalCount;
-
-		public override void InitVerifier(List<VerifyInfo> verifyInfos)
-		{
-			_waitingList.AddRange(verifyInfos);
-			VerifySuccessList = new List<VerifyInfo>(verifyInfos.Count);
-			VerifyFailList = new List<VerifyInfo>(verifyInfos.Count);
-
-			// 设置同时验证的最大数
-			ThreadPool.GetMaxThreads(out int workerThreads, out int ioThreads);
-			YooLogger.Log($"Work threads : {workerThreads}, IO threads : {ioThreads}");
-			_verifyMaxNum = Math.Min(workerThreads, ioThreads);
-			_verifyTotalCount = _waitingList.Count;
-			if (_verifyMaxNum < 1)
-				_verifyMaxNum = 1;
-		}
-		public override bool UpdateVerifier()
-		{
-			_syncContext.Update();
-
-			if (_waitingList.Count == 0 && _verifyingList.Count == 0)
-				return true;
-
-			if (_verifyingList.Count >= _verifyMaxNum)
-				return false;
-
-			for (int i = _waitingList.Count - 1; i >= 0; i--)
-			{
-				if (_verifyingList.Count >= _verifyMaxNum)
-					break;
-
-				var verifyIno = _waitingList[i];
-				if (VerifyFileWithThread(verifyIno))
-				{
-					_waitingList.RemoveAt(i);
-					_verifyingList.Add(verifyIno);
-				}
-				else
-				{
-					YooLogger.Warning("The thread pool is failed queued.");
-					break;
-				}
-			}
-
-			return false;
-		}
-		public override float GetVerifierProgress()
-		{
-			if (_verifyTotalCount == 0)
-				return 1f;
-			return (float)(VerifySuccessList.Count + VerifyFailList.Count) / _verifyTotalCount;
-		}
-
-		private bool VerifyFileWithThread(VerifyInfo verifyInfo)
-		{
-			return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), verifyInfo);
-		}
-		private void VerifyInThread(object infoObj)
-		{
-			VerifyInfo verifyInfo = (VerifyInfo)infoObj;
-			verifyInfo.Result = CacheSystem.VerifyBundle(verifyInfo.VerifyBundle, CacheSystem.InitVerifyLevel);
-			_syncContext.Post(VerifyCallback, verifyInfo);
-		}
-		private void VerifyCallback(object obj)
-		{
-			VerifyInfo verifyIno = (VerifyInfo)obj;
-			if (verifyIno.Result == EVerifyResult.Succeed)
-			{
-				VerifySuccessList.Add(verifyIno);
-				CacheSystem.CacheBundle(verifyIno.VerifyBundle);
-			}
-			else
-			{
-				VerifyFailList.Add(verifyIno);
-
-				// NOTE：不期望删除断点续传的资源文件
-				/*
-				if (File.Exists(patchBundle.CachedBundleFilePath))
-					File.Delete(patchBundle.CachedBundleFilePath);
-				*/
-			}
-			_verifyingList.Remove(verifyIno);
-		}
-	}
-
-	/// <summary>
-	/// 本地缓存文件验证器（非线程版）
-	/// </summary>
-	internal class CacheVerifierWithoutThread : CacheVerifier
-	{
-		private readonly List<VerifyInfo> _waitingList = new List<VerifyInfo>(1000);
-		private readonly List<VerifyInfo> _verifyingList = new List<VerifyInfo>(100);
-		private int _verifyMaxNum;
-		private int _verifyTotalCount;
-
-		public override void InitVerifier(List<VerifyInfo> verifyInfos)
-		{
-			_waitingList.AddRange(verifyInfos);
-			VerifySuccessList = new List<VerifyInfo>(verifyInfos.Count);
-			VerifyFailList = new List<VerifyInfo>(verifyInfos.Count);
-
-			// 设置同时验证的最大数
-			_verifyMaxNum = 32;
-			_verifyTotalCount = _waitingList.Count;
-		}
-		public override bool UpdateVerifier()
-		{
-			if (_waitingList.Count == 0 && _verifyingList.Count == 0)
-				return true;
-
-			for (int i = _waitingList.Count - 1; i >= 0; i--)
-			{
-				if (_verifyingList.Count >= _verifyMaxNum)
-					break;
-
-				var verifyIno = _waitingList[i];
-				VerifyFileWithoutThread(verifyIno);
-				_waitingList.RemoveAt(i);
-				_verifyingList.Add(verifyIno);
-			}
-
-			_verifyingList.Clear();
-			return false;
-		}
-		public override float GetVerifierProgress()
-		{
-			if (_verifyTotalCount == 0)
-				return 1f;
-			return (float)(VerifySuccessList.Count + VerifyFailList.Count) / _verifyTotalCount;
-		}
-
-		private void VerifyFileWithoutThread(VerifyInfo verifyIno)
-		{
-			var verifyResult = CacheSystem.VerifyAndCacheBundle(verifyIno.VerifyBundle, CacheSystem.InitVerifyLevel);
-			if (verifyResult == EVerifyResult.Succeed)
-			{
-				VerifySuccessList.Add(verifyIno);
-			}
-			else
-			{
-				VerifyFailList.Add(verifyIno);
-
-				// NOTE：不期望删除断点续传的资源文件
-				/*			
-				if (File.Exists(patchBundle.CachedBundleFilePath))
-					File.Delete(patchBundle.CachedBundleFilePath);
-				*/
-			}
-		}
-	}
-}

Assets/YooAsset/Runtime/CacheSystem/EVerifyResult.cs

@@ -9,7 +9,12 @@ namespace YooAsset
 		/// <summary>
 		/// 文件不存在
 		/// </summary>
-		FileNotExisted = -4,
+		FileNotExisted = -5,
+
+		/// <summary>
+		/// 文件移动失败（重命名失败）
+		/// </summary>
+		FileMoveFailed = -4,
 
 		/// <summary>
 		/// 文件内容不足（小于正常大小）

Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs

@@ -0,0 +1,30 @@
+
+namespace YooAsset
+{
+	public struct DownloadReport
+	{
+		/// <summary>
+		/// 下载进度（0f~1f）
+		/// </summary>
+		public float Progress;
+
+		/// <summary>
+		/// 需要下载的总字节数
+		/// </summary>
+		public ulong TotalSize;
+
+		/// <summary>
+		/// 已经下载的字节数
+		/// </summary>
+		public ulong DownloadedBytes;
+
+		public static DownloadReport CreateDefaultReport()
+		{
+			DownloadReport report = new DownloadReport();
+			report.Progress = 0f;
+			report.TotalSize = 0;
+			report.DownloadedBytes = 0;
+			return report;
+		}
+	}
+}

Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: c4b754a3b15abc44fa2727f57721e18b
+guid: d40b8341fcd4ad2478eb1a890ebf0476
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/YooAsset/Runtime/DownloadSystem/Downloader/DownloaderBase.cs

@@ -7,8 +7,12 @@ namespace YooAsset
 		{
 			None,
 			CheckLocalFile,
-			CreateDownload,
+			CheckTempFile,
+			PrepareDownload,
+			CreateResumeDownloader,
+			CreateGeneralDownloader,
 			CheckDownload,
+			VerifyDownload,
 			TryAgain,
 			Succeed,
 			Failed,
@@ -30,7 +34,7 @@ namespace YooAsset
 
 
 		/// <summary>
-		/// 下载进度
+		/// 下载进度（0f~1f）
 		/// </summary>
 		public float DownloadProgress
 		{

Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileDownloader.cs

@@ -10,6 +10,7 @@ namespace YooAsset
 	internal sealed class FileDownloader : DownloaderBase
 	{
 		private readonly bool _breakResume;
+		private readonly string _tempFilePath;
 		private UnityWebRequest _webRequest = null;
 		private DownloadHandlerFileRange _downloadHandle = null;
 
@@ -24,6 +25,7 @@ namespace YooAsset
 		public FileDownloader(BundleInfo bundleInfo, bool breakResume) : base(bundleInfo)
 		{
 			_breakResume = breakResume;
+			_tempFilePath = bundleInfo.Bundle.CachedFilePath + ".temp";
 		}
 		public override void Update()
 		{
@@ -32,10 +34,26 @@ namespace YooAsset
 			if (IsDone())
 				return;
 
-			// 检测本地文件
+			// 检测本地正式文件
 			if (_steps == ESteps.CheckLocalFile)
 			{
-				var verifyResult = CacheSystem.VerifyAndCacheBundle(_bundleInfo.Bundle, EVerifyLevel.High);
+				var verifyResult = CacheSystem.VerifyAndCacheLocalBundleFile(_bundleInfo.Bundle, CacheSystem.InitVerifyLevel);
+				if (verifyResult == EVerifyResult.Succeed)
+				{
+					_steps = ESteps.Succeed;
+				}
+				else
+				{
+					if (File.Exists(_bundleInfo.Bundle.CachedFilePath))
+						File.Delete(_bundleInfo.Bundle.CachedFilePath);
+					_steps = ESteps.CheckTempFile;
+				}
+			}
+
+			// 检测本地临时文件
+			if (_steps == ESteps.CheckTempFile)
+			{
+				var verifyResult = CacheSystem.VerifyAndCacheDownloadBundleFile(_tempFilePath, _bundleInfo.Bundle, EVerifyLevel.High);
 				if (verifyResult == EVerifyResult.Succeed)
 				{
 					_steps = ESteps.Succeed;
@@ -44,19 +62,16 @@ namespace YooAsset
 				{
 					if (verifyResult == EVerifyResult.FileOverflow)
 					{
-						string cacheFilePath = _bundleInfo.Bundle.CachedFilePath;
-						if (File.Exists(cacheFilePath))
-							File.Delete(cacheFilePath);
+						if (File.Exists(_tempFilePath))
+							File.Delete(_tempFilePath);
 					}
-					_steps = ESteps.CreateDownload;
+					_steps = ESteps.PrepareDownload;
 				}
 			}
 
 			// 创建下载器
-			if (_steps == ESteps.CreateDownload)
+			if (_steps == ESteps.PrepareDownload)
 			{
-				string fileSavePath = _bundleInfo.Bundle.CachedFilePath;
-
 				// 重置变量
 				_downloadProgress = 0f;
 				_downloadedBytes = 0;
@@ -66,53 +81,73 @@ namespace YooAsset
 				_latestDownloadRealtime = Time.realtimeSinceStartup;
 				_tryAgainTimer = 0f;
 
-				// 是否开启断点续传下载	
-				if (_breakResume)
-				{
-					long fileLength = -1;
-					if (File.Exists(fileSavePath))
-					{
-						FileInfo fileInfo = new FileInfo(fileSavePath);
-						fileLength = fileInfo.Length;
-						_fileOriginLength = (ulong)fileLength;
-						_downloadedBytes = _fileOriginLength;
-					}
+				// 获取请求地址
+				_requestURL = GetRequestURL();
 
-					_requestURL = GetRequestURL();
-					_webRequest = UnityWebRequest.Get(_requestURL);
+				if (_breakResume)
+					_steps = ESteps.CreateResumeDownloader;
+				else
+					_steps = ESteps.CreateGeneralDownloader;
+			}
+
+			// 创建普通的下载器
+			if (_steps == ESteps.CreateGeneralDownloader)
+			{
+				if (File.Exists(_tempFilePath))
+				{
+					File.Delete(_tempFilePath);
+				}
+
+				_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
+				DownloadHandlerFile handler = new DownloadHandlerFile(_tempFilePath);
+				handler.removeFileOnAbort = true;
+				_webRequest.downloadHandler = handler;
+				_webRequest.disposeDownloadHandlerOnDispose = true;
+
+				if (DownloadSystem.CertificateHandlerInstance != null)
+				{
+					_webRequest.certificateHandler = DownloadSystem.CertificateHandlerInstance;
+					_webRequest.disposeCertificateHandlerOnDispose = false;
+				}
+
+				_webRequest.SendWebRequest();
+				_steps = ESteps.CheckDownload;
+			}
+
+			// 创建断点续传下载器
+			if (_steps == ESteps.CreateResumeDownloader)
+			{
+				long fileLength = -1;
+				if (File.Exists(_tempFilePath))
+				{
+					FileInfo fileInfo = new FileInfo(_tempFilePath);
+					fileLength = fileInfo.Length;
+					_fileOriginLength = (ulong)fileLength;
+					_downloadedBytes = _fileOriginLength;
+				}
 
 #if UNITY_2019_4_OR_NEWER
-					var handler = new DownloadHandlerFile(fileSavePath, true);
-					handler.removeFileOnAbort = false;
+				_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
+				var handler = new DownloadHandlerFile(_tempFilePath, true);
+				handler.removeFileOnAbort = false;
 #else
-					var handler = new DownloadHandlerFileRange(fileSavePath, _bundleInfo.Bundle.FileSize, _webRequest);
-					_downloadHandle = handler;
+				_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
+				var handler = new DownloadHandlerFileRange(_tempFilePath, _bundleInfo.Bundle.FileSize, _webRequest);
+				_downloadHandle = handler;
 #endif
+				_webRequest.downloadHandler = handler;
+				_webRequest.disposeDownloadHandlerOnDispose = true;
+				if (fileLength > 0)
+					_webRequest.SetRequestHeader("Range", $"bytes={fileLength}-");
 
-					if (DownloadSystem.CertificateHandlerInstance != null)
-					{
-						_webRequest.certificateHandler = DownloadSystem.CertificateHandlerInstance;
-						_webRequest.disposeCertificateHandlerOnDispose = false;
-					}
-
-					_webRequest.downloadHandler = handler;
-					_webRequest.disposeDownloadHandlerOnDispose = true;
-					if (fileLength > 0)
-						_webRequest.SetRequestHeader("Range", $"bytes={fileLength}-");
-					_webRequest.SendWebRequest();
-					_steps = ESteps.CheckDownload;
-				}
-				else
+				if (DownloadSystem.CertificateHandlerInstance != null)
 				{
-					_requestURL = GetRequestURL();
-					_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
-					DownloadHandlerFile handler = new DownloadHandlerFile(fileSavePath);
-					handler.removeFileOnAbort = true;
-					_webRequest.downloadHandler = handler;
-					_webRequest.disposeDownloadHandlerOnDispose = true;
-					_webRequest.SendWebRequest();
-					_steps = ESteps.CheckDownload;
+					_webRequest.certificateHandler = DownloadSystem.CertificateHandlerInstance;
+					_webRequest.disposeCertificateHandlerOnDispose = false;
 				}
+
+				_webRequest.SendWebRequest();
+				_steps = ESteps.CheckDownload;
 			}
 
 			// 检测下载结果
@@ -145,78 +180,77 @@ namespace YooAsset
 				}
 #endif
 
-				// 检查文件完整性
-				if (hasError == false)
-				{
-					var verifyResult = CacheSystem.VerifyAndCacheBundle(_bundleInfo.Bundle, EVerifyLevel.High);
-					if (verifyResult != EVerifyResult.Succeed)
-					{
-						hasError = true;
-						_lastError = $"Verify bundle content failed : {_bundleInfo.Bundle.FileName}";
-						_lastCode = _webRequest.responseCode;
-
-						// 验证失败后删除文件
-						string cacheFilePath = _bundleInfo.Bundle.CachedFilePath;
-						if (File.Exists(cacheFilePath))
-							File.Delete(cacheFilePath);
-					}
-				}
-
-				// 如果下载失败
+				// 如果网络异常
 				if (hasError)
 				{
-					// 注意：非断点续传下载失败之后删除文件
-					if (_breakResume == false)
-					{
-						string cacheFilePath = _bundleInfo.Bundle.CachedFilePath;
-						if (File.Exists(cacheFilePath))
-							File.Delete(cacheFilePath);
-					}
-					else
+					if (_breakResume)
 					{
 						// 注意：下载断点续传文件发生特殊错误码之后删除文件
 						if (DownloadSystem.ClearFileResponseCodes != null)
 						{
 							if (DownloadSystem.ClearFileResponseCodes.Contains(_webRequest.responseCode))
 							{
-								string cacheFilePath = _bundleInfo.Bundle.CachedFilePath;
-								if (File.Exists(cacheFilePath))
-									File.Delete(cacheFilePath);
+								if (File.Exists(_tempFilePath))
+									File.Delete(_tempFilePath);
 							}
 						}
 					}
-
-					// 失败后重新尝试
-					if (_failedTryAgain > 0)
-					{
-						ReportWarning();
-						_steps = ESteps.TryAgain;
-					}
 					else
 					{
-						ReportError();
-						_steps = ESteps.Failed;
+						// 注意：非断点续传下载失败之后删除文件
+						if (File.Exists(_tempFilePath))
+							File.Delete(_tempFilePath);
 					}
+
+					_steps = ESteps.TryAgain;
 				}
 				else
 				{
-					_lastError = string.Empty;
-					_lastCode = 0;
-					_steps = ESteps.Succeed;
+					_steps = ESteps.VerifyDownload;
 				}
 
 				// 释放下载器
 				DisposeWebRequest();
 			}
 
+			// 验证下载文件
+			if (_steps == ESteps.VerifyDownload)
+			{
+				var verifyResult = CacheSystem.VerifyAndCacheDownloadBundleFile(_tempFilePath, _bundleInfo.Bundle, EVerifyLevel.High);
+				if (verifyResult == EVerifyResult.Succeed)
+				{
+					_lastError = string.Empty;
+					_lastCode = 0;
+					_steps = ESteps.Succeed;
+				}
+				else
+				{
+					_lastError = $"Verify bundle content failed : {_bundleInfo.Bundle.FileName}";
+
+					// 验证失败后删除文件
+					if (File.Exists(_tempFilePath))
+						File.Delete(_tempFilePath);
+
+					_steps = ESteps.TryAgain;
+				}
+			}
+
 			// 重新尝试下载
 			if (_steps == ESteps.TryAgain)
 			{
+				if (_failedTryAgain <= 0)
+				{
+					ReportError();
+					_steps = ESteps.Failed;
+					return;
+				}
+
 				_tryAgainTimer += Time.unscaledDeltaTime;
 				if (_tryAgainTimer > 1f)
 				{
 					_failedTryAgain--;
-					_steps = ESteps.CreateDownload;
+					_steps = ESteps.PrepareDownload;
+					ReportWarning();
 					YooLogger.Warning($"Try again download : {_requestURL}");
 				}
 			}

Assets/YooAsset/Runtime/DownloadSystem/UnityWebDataRequester.cs

@@ -11,8 +11,8 @@ namespace YooAsset
 	/// </summary>
 	internal class UnityWebDataRequester
 	{
-		protected UnityWebRequest _webRequest;
-		protected UnityWebRequestAsyncOperation _operationHandle;
+		private UnityWebRequest _webRequest;
+		private UnityWebRequestAsyncOperation _operationHandle;
 
 		/// <summary>
 		/// 请求URL地址

Assets/YooAsset/Runtime/DownloadSystem/UnityWebFileRequester.cs

@@ -2,6 +2,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine.Networking;
+using UnityEngine;
 
 namespace YooAsset
 {
@@ -11,8 +12,14 @@ namespace YooAsset
 	/// </summary>
 	internal class UnityWebFileRequester
 	{
-		protected UnityWebRequest _webRequest;
-		protected UnityWebRequestAsyncOperation _operationHandle;
+		private UnityWebRequest _webRequest;
+		private UnityWebRequestAsyncOperation _operationHandle;
+
+		// 超时相关
+		private float _timeout;
+		private bool _isAbort = false;
+		private ulong _latestDownloadBytes;
+		private float _latestDownloadRealtime;
 
 		/// <summary>
 		/// 请求URL地址
@@ -23,11 +30,15 @@ namespace YooAsset
 		/// <summary>
 		/// 发送GET请求
 		/// </summary>
-		public void SendRequest(string url, string savePath)
+		public void SendRequest(string url, string savePath, float timeout = 60)
 		{
 			if (_webRequest == null)
 			{
 				URL = url;
+				_timeout = timeout;
+				_latestDownloadBytes = 0;
+				_latestDownloadRealtime = Time.realtimeSinceStartup;
+
 				_webRequest = new UnityWebRequest(URL, UnityWebRequest.kHttpVerbGET);
 				DownloadHandlerFile handler = new DownloadHandlerFile(savePath);
 				handler.removeFileOnAbort = true;
@@ -96,5 +107,28 @@ namespace YooAsset
 			}
 			return string.Empty;
 		}
+
+		/// <summary>
+		/// 检测超时
+		/// </summary>
+		public void CheckTimeout()
+		{
+			// 注意：在连续时间段内无新增下载数据及判定为超时
+			if (_isAbort == false)
+			{
+				if (_latestDownloadBytes != _webRequest.downloadedBytes)
+				{
+					_latestDownloadBytes = _webRequest.downloadedBytes;
+					_latestDownloadRealtime = Time.realtimeSinceStartup;
+				}
+
+				float offset = Time.realtimeSinceStartup - _latestDownloadRealtime;
+				if (offset > _timeout)
+				{
+					_webRequest.Abort();
+					_isAbort = true;
+				}
+			}
+		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/Operations/CheckPackageContentsOperation.cs

@@ -6,7 +6,7 @@ using UnityEngine;
 namespace YooAsset
 {
 	/// <summary>
-	/// 检查本地包裹内容的完整性
+	/// 检查包裹内容的完整性
 	/// </summary>
 	public abstract class CheckPackageContentsOperation : AsyncOperationBase
 	{
@@ -43,90 +43,106 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
-			CheckLoadedManifest,
-			InitVerifyingCache,
-			UpdateVerifyingCache,
+			CheckActiveManifest,
+			LoadCacheManifest,
+			VerifyPackage,
 			Done,
 		}
 
 		private readonly HostPlayModeImpl _impl;
 		private readonly string _packageName;
-		private readonly CacheVerifier _cacheVerifier;
+		private readonly string _packageVersion;
+		private LoadCacheManifestOperation _loadCacheManifestOp;
+		private VerifyPackageOperation _verifyOperation;
+		private PatchManifest _verifyManifest;
 		private ESteps _steps = ESteps.None;
-		private float _verifyTime;
 
-		internal HostPlayModeCheckPackageContentsOperation(HostPlayModeImpl impl, string packageName)
+		internal HostPlayModeCheckPackageContentsOperation(HostPlayModeImpl impl, string packageName, string packageVersion)
 		{
 			_impl = impl;
 			_packageName = packageName;
-
-#if UNITY_WEBGL
-			_cacheVerifier = new CacheVerifierWithoutThread();
-#else
-			_cacheVerifier = new CacheVerifierWithThread();
-#endif
+			_packageVersion = packageVersion;
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.CheckLoadedManifest;
+			_steps = ESteps.CheckActiveManifest;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.CheckLoadedManifest)
+			if (_steps == ESteps.CheckActiveManifest)
 			{
-				if (_impl.LocalPatchManifest == null)
+				// 检测当前激活的清单对象
+				if (_impl.ActiveManifest != null && _impl.ActiveManifest.PackageVersion == _packageVersion)
 				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = $"Not found loaded package : {_packageName}";
+					_verifyManifest = _impl.ActiveManifest;
+					_steps = ESteps.VerifyPackage;
 				}
 				else
 				{
-					_steps = ESteps.InitVerifyingCache;
+					_steps = ESteps.LoadCacheManifest;
 				}
 			}
 
-			if (_steps == ESteps.InitVerifyingCache)
+			if (_steps == ESteps.LoadCacheManifest)
 			{
-				var verifyInfos = _impl.GetVerifyInfoList(true);
-				_cacheVerifier.InitVerifier(verifyInfos);
-				_verifyTime = UnityEngine.Time.realtimeSinceStartup;
-				_steps = ESteps.UpdateVerifyingCache;
+				if (_loadCacheManifestOp == null)
+				{
+					_loadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _packageVersion);
+					OperationSystem.StartOperation(_loadCacheManifestOp);
+				}
+
+				if (_loadCacheManifestOp.IsDone == false)
+					return;
+
+				if (_loadCacheManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_verifyManifest = _loadCacheManifestOp.Manifest;
+					_steps = ESteps.VerifyPackage;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _loadCacheManifestOp.Error;
+				}
 			}
 
-			if (_steps == ESteps.UpdateVerifyingCache)
+			if (_steps == ESteps.VerifyPackage)
 			{
-				Progress = _cacheVerifier.GetVerifierProgress();
-				if (_cacheVerifier.UpdateVerifier())
+				if (_verifyOperation == null)
 				{
-					float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyTime;
-					YooLogger.Log($"Verify result : Success {_cacheVerifier.VerifySuccessList.Count}, Fail {_cacheVerifier.VerifyFailList.Count}, Elapsed time {costTime} seconds");
+					_verifyOperation = VerifyPackageOperation.CreateOperation(_verifyManifest, _impl);
+					OperationSystem.StartOperation(_verifyOperation);
+				}
 
-					bool verifySucceed = true;
-					foreach (var verifyInfo in _cacheVerifier.VerifyFailList)
-					{
-						// 注意：跳过内置资源文件
-						if (verifyInfo.IsBuildinFile)
-							continue;
+				Progress = _verifyOperation.Progress;
+				if (_verifyOperation.IsDone == false)
+					return;
 
-						verifySucceed = false;
-						YooLogger.Warning($"Failed verify file : {verifyInfo.VerifyFilePath}");
-					}
+				bool verifySucceed = true;
+				foreach (var verifyInfo in _verifyOperation.VerifyFailList)
+				{
+					// 注意：跳过内置资源文件
+					if (verifyInfo.IsBuildinFile)
+						continue;
 
-					if (verifySucceed)
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Succeed;
-					}
-					else
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Failed;
-						Error = $"The package resource {_packageName} content has verify failed file !";
-					}
+					verifySucceed = false;
+					YooLogger.Warning($"Failed verify file : {verifyInfo.VerifyFilePath}");
+				}
+
+				if (verifySucceed)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"The package resource {_packageName} content has verify failed file !";
 				}
 			}
 		}

Assets/YooAsset/Runtime/PatchSystem/Operations/ClearUnusedCacheFilesOperation.cs

@@ -7,7 +7,7 @@ namespace YooAsset
 	/// <summary>
 	/// 清理本地包裹未使用的缓存文件
 	/// </summary>
-	public sealed class ClearPackageUnusedCacheFilesOperation : AsyncOperationBase
+	public sealed class ClearUnusedCacheFilesOperation : AsyncOperationBase
 	{
 		private enum ESteps
 		{
@@ -18,11 +18,11 @@ namespace YooAsset
 		}
 
 		private readonly AssetsPackage _package;
-		private ESteps _steps = ESteps.None;
 		private List<string> _unusedCacheFilePaths;
 		private int _unusedFileTotalCount = 0;
+		private ESteps _steps = ESteps.None;
 
-		internal ClearPackageUnusedCacheFilesOperation(AssetsPackage package)
+		internal ClearUnusedCacheFilesOperation(AssetsPackage package)
 		{
 			_package = package;
 		}

Assets/YooAsset/Runtime/PatchSystem/Operations/DownloadPackageOperation.cs

@@ -1,204 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.IO;
-
-namespace YooAsset
-{
-	public abstract class DownloadPackageOperation : AsyncOperationBase
-	{
-		/// <summary>
-		/// 创建包裹下载器
-		/// </summary>
-		/// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
-		/// <param name="failedTryAgain">下载失败的重试次数</param>
-		/// <param name="timeout">超时时间（单位：秒）</param>
-		public abstract PackageDownloaderOperation CreatePackageDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout);
-	}
-
-	/// <summary>
-	/// 编辑器下模拟运行的更新资源包裹操作
-	/// </summary>
-	internal sealed class EditorPlayModeDownloadPackageOperation : DownloadPackageOperation
-	{
-		internal override void Start()
-		{
-			Status = EOperationStatus.Succeed;
-		}
-		internal override void Update()
-		{
-		}
-
-		/// <summary>
-		/// 创建包裹下载器
-		/// </summary>
-		public override PackageDownloaderOperation CreatePackageDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout)
-		{
-			List<BundleInfo> downloadList = new List<BundleInfo>();
-			var operation = new PackageDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
-			return operation;
-		}
-	}
-
-	/// <summary>
-	/// 离线模式的更新资源包裹操作
-	/// </summary>
-	internal sealed class OfflinePlayModeDownloadPackageOperation : DownloadPackageOperation
-	{
-		internal override void Start()
-		{
-			Status = EOperationStatus.Succeed;
-		}
-		internal override void Update()
-		{
-		}
-
-		/// <summary>
-		/// 创建包裹下载器
-		/// </summary>
-		public override PackageDownloaderOperation CreatePackageDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout)
-		{
-			List<BundleInfo> downloadList = new List<BundleInfo>();
-			var operation = new PackageDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
-			return operation;
-		}
-	}
-
-	/// <summary>
-	/// 联机模式的更新资源包裹操作
-	/// </summary>
-	internal sealed class HostPlayModeDownloadPackageOperation : DownloadPackageOperation
-	{
-		private enum ESteps
-		{
-			None,
-			LoadWebManifest,
-			CheckWebManifest,
-			Done,
-		}
-
-		private static int RequestCount = 0;
-		private readonly HostPlayModeImpl _impl;
-		private readonly string _packageName;
-		private readonly string _packageVersion;
-		private readonly int _timeout;
-		private ESteps _steps = ESteps.None;
-		private UnityWebDataRequester _downloader;
-		private PatchManifest _remotePatchManifest;
-
-		internal HostPlayModeDownloadPackageOperation(HostPlayModeImpl impl, string packageName, string packageVersion, int timeout)
-		{
-			_impl = impl;
-			_packageName = packageName;
-			_packageVersion = packageVersion;
-			_timeout = timeout;
-		}
-		internal override void Start()
-		{
-			RequestCount++;		
-			_steps = ESteps.LoadWebManifest;
-		}
-		internal override void Update()
-		{
-			if (_steps == ESteps.None || _steps == ESteps.Done)
-				return;
-
-			if (_steps == ESteps.LoadWebManifest)
-			{
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(_packageName, _packageVersion);
-				string webURL = GetPatchManifestRequestURL(fileName);
-				YooLogger.Log($"Beginning to request patch manifest : {webURL}");
-				_downloader = new UnityWebDataRequester();
-				_downloader.SendRequest(webURL, _timeout);
-				_steps = ESteps.CheckWebManifest;
-			}
-
-			if (_steps == ESteps.CheckWebManifest)
-			{
-				Progress = _downloader.Progress();
-				if (_downloader.IsDone() == false)
-					return;
-
-				// Check error
-				if (_downloader.HasError())
-				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = _downloader.GetError();
-				}
-				else
-				{
-					// 解析补丁清单
-					try
-					{
-						byte[] bytesData = _downloader.GetData();
-						_remotePatchManifest = PatchManifest.DeserializeFromBinary(bytesData);
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Succeed;
-					}
-					catch(System.Exception e)
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Failed;
-						Error = e.Message;
-					}
-				}
-				_downloader.Dispose();
-			}
-		}
-
-		/// <summary>
-		/// 创建包裹下载器
-		/// </summary>
-		public override PackageDownloaderOperation CreatePackageDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout)
-		{
-			if (Status == EOperationStatus.Succeed)
-			{
-				YooLogger.Log($"Create package downloader : {_remotePatchManifest.PackageName} {_remotePatchManifest.PackageVersion}");
-				List<BundleInfo> downloadList = GetDownloadList();
-				var operation = new PackageDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
-				return operation;
-			}
-			else
-			{
-				YooLogger.Error($"{nameof(DownloadPackageOperation)} status is failed !");
-				var operation = new PackageDownloaderOperation(null, downloadingMaxNumber, failedTryAgain, timeout);
-				return operation;
-			}
-		}
-
-		/// <summary>
-		/// 获取补丁清单请求地址
-		/// </summary>
-		private string GetPatchManifestRequestURL(string fileName)
-		{
-			// 轮流返回请求地址
-			if (RequestCount % 2 == 0)
-				return _impl.GetPatchDownloadFallbackURL(fileName);
-			else
-				return _impl.GetPatchDownloadMainURL(fileName);
-		}
-
-		/// <summary>
-		/// 获取下载列表
-		/// </summary>
-		private List<BundleInfo> GetDownloadList()
-		{
-			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
-			foreach (var patchBundle in _remotePatchManifest.BundleList)
-			{
-				// 忽略缓存文件
-				if (CacheSystem.IsCached(patchBundle))
-					continue;
-
-				// 忽略APP资源
-				if (_impl.IsBuildinPatchBundle(patchBundle))
-					continue;
-
-				downloadList.Add(patchBundle);
-			}
-
-			return _impl.ConvertToDownloadList(downloadList);
-		}
-	}
-}

Assets/YooAsset/Runtime/PatchSystem/Operations/DownloaderOperation.cs

@@ -19,7 +19,7 @@ namespace YooAsset
 		public delegate void OnDownloadProgress(int totalDownloadCount, int currentDownloadCount, long totalDownloadBytes, long currentDownloadBytes);
 		public delegate void OnDownloadError(string fileName, string error);
 		public delegate void OnStartDownloadFile(string fileName, long sizeBytes);
-		
+
 		private readonly int _downloadingMaxNumber;
 		private readonly int _failedTryAgain;
 		private readonly int _timeout;
@@ -29,10 +29,10 @@ namespace YooAsset
 		private readonly List<DownloaderBase> _failedList = new List<DownloaderBase>(MAX_LOADER_COUNT);
 
 		// 数据相关
-		private ESteps _steps = ESteps.None;
 		private bool _isPause = false;
 		private long _lastDownloadBytes = 0;
 		private int _lastDownloadCount = 0;
+		private ESteps _steps = ESteps.None;
 
 
 		/// <summary>
@@ -74,7 +74,7 @@ namespace YooAsset
 		/// 当开始下载某个文件
 		/// </summary>
 		public OnStartDownloadFile OnStartDownloadFileCallback { set; get; }
-		
+
 
 		internal DownloaderOperation(List<BundleInfo> downloadList, int downloadingMaxNumber, int failedTryAgain, int timeout)
 		{
@@ -183,9 +183,9 @@ namespace YooAsset
 					{
 						var failedDownloader = _failedList[0];
 						string fileName = failedDownloader.GetBundleInfo().Bundle.BundleName;
-						Error = $"Failed to download file : {fileName}";
 						_steps = ESteps.Done;
 						Status = EOperationStatus.Failed;
+						Error = $"Failed to download file : {fileName}";
 						OnDownloadErrorCallback?.Invoke(fileName, failedDownloader.GetLastError());
 						OnDownloadOverCallback?.Invoke(false);
 					}
@@ -241,19 +241,22 @@ namespace YooAsset
 		}
 	}
 
-	public sealed class PackageDownloaderOperation : DownloaderOperation
-	{
-		internal PackageDownloaderOperation(List<BundleInfo> downloadList, int downloadingMaxNumber, int failedTryAgain, int timeout)
-			: base(downloadList, downloadingMaxNumber, failedTryAgain, timeout)
-		{
-		}
-	}
 	public sealed class PatchDownloaderOperation : DownloaderOperation
 	{
 		internal PatchDownloaderOperation(List<BundleInfo> downloadList, int downloadingMaxNumber, int failedTryAgain, int timeout)
 			: base(downloadList, downloadingMaxNumber, failedTryAgain, timeout)
 		{
 		}
+
+		/// <summary>
+		/// 创建空的下载器
+		/// </summary>
+		internal static PatchDownloaderOperation CreateEmptyDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			List<BundleInfo> downloadList = new List<BundleInfo>();
+			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
+			return operation;
+		}
 	}
 	public sealed class PatchUnpackerOperation : DownloaderOperation
 	{
@@ -261,5 +264,15 @@ namespace YooAsset
 			: base(downloadList, downloadingMaxNumber, failedTryAgain, timeout)
 		{
 		}
+
+		/// <summary>
+		/// 创建空的解压器
+		/// </summary>
+		internal static PatchUnpackerOperation CreateEmptyUnpacker(int upackingMaxNumber, int failedTryAgain, int timeout)
+		{
+			List<BundleInfo> downloadList = new List<BundleInfo>();
+			var operation = new PatchUnpackerOperation(downloadList, upackingMaxNumber, failedTryAgain, int.MaxValue);
+			return operation;
+		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/Operations/InitializationOperation.cs

@@ -10,10 +10,7 @@ namespace YooAsset
 	/// </summary>
 	public abstract class InitializationOperation : AsyncOperationBase
 	{
-		/// <summary>
-		/// 初始化内部加载的包裹版本
-		/// </summary>
-		public string InitializedPackageVersion;
+		public string PackageVersion { protected set; get; }
 	}
 
 	/// <summary>
@@ -24,50 +21,49 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
-			Load,
+			LoadEditorManifest,
 			Done,
 		}
 
 		private readonly EditorSimulateModeImpl _impl;
-		private readonly string _simulatePatchManifestPath;
+		private readonly string _simulateManifestPath;
+		private LoadEditorManifestOperation _loadEditorManifestOp;
 		private ESteps _steps = ESteps.None;
 
-		internal EditorSimulateModeInitializationOperation(EditorSimulateModeImpl impl, string simulatePatchManifestPath)
+		internal EditorSimulateModeInitializationOperation(EditorSimulateModeImpl impl, string simulateManifestPath)
 		{
 			_impl = impl;
-			_simulatePatchManifestPath = simulatePatchManifestPath;
+			_simulateManifestPath = simulateManifestPath;
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.Load;
+			_steps = ESteps.LoadEditorManifest;
 		}
 		internal override void Update()
 		{
-			if (_steps == ESteps.Load)
+			if (_steps == ESteps.LoadEditorManifest)
 			{
-				if (File.Exists(_simulatePatchManifestPath) == false)
+				if (_loadEditorManifestOp == null)
 				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = $"Not found simulation manifest file : {_simulatePatchManifestPath}";
-					return;
+					_loadEditorManifestOp = new LoadEditorManifestOperation(_simulateManifestPath);
+					OperationSystem.StartOperation(_loadEditorManifestOp);
 				}
 
-				try
+				if (_loadEditorManifestOp.IsDone == false)
+					return;
+
+				if (_loadEditorManifestOp.Status == EOperationStatus.Succeed)
 				{
-					YooLogger.Log($"Load simulation manifest file : {_simulatePatchManifestPath}");
-					byte[] bytesData = FileUtility.ReadAllBytes(_simulatePatchManifestPath);
-					var manifest = PatchManifest.DeserializeFromBinary(bytesData);
-					InitializedPackageVersion = manifest.PackageVersion;
-					_impl.SetSimulatePatchManifest(manifest);
+					PackageVersion = _loadEditorManifestOp.Manifest.PackageVersion;
+					_impl.ActiveManifest = _loadEditorManifestOp.Manifest;
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Succeed;
 				}
-				catch (System.Exception e)
+				else
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = e.Message;
+					Error = _loadEditorManifestOp.Error;
 				}
 			}
 		}
@@ -81,101 +77,95 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
-			QueryAppPackageVersion,
-			LoadAppManifest,
-			InitVerifyingCache,
-			UpdateVerifyingCache,
+			QueryBuildinPackageVersion,
+			LoadBuildinManifest,
+			VerifyPackage,
 			Done,
 		}
 
 		private readonly OfflinePlayModeImpl _impl;
 		private readonly string _packageName;
-		private readonly CacheVerifier _cacheVerifier;
-		private readonly AppPackageVersionQuerier _appPackageVersionQuerier;
-		private AppManifestLoader _appManifestLoader;
+		private QueryBuildinPackageVersionOperation _queryBuildinPackageVersionOp;
+		private LoadBuildinManifestOperation _loadBuildinManifestOp;
+		private VerifyPackageOperation _verifyOperation;
 		private ESteps _steps = ESteps.None;
-		private float _verifyTime;
 
 		internal OfflinePlayModeInitializationOperation(OfflinePlayModeImpl impl, string packageName)
 		{
 			_impl = impl;
 			_packageName = packageName;
-			_appPackageVersionQuerier = new AppPackageVersionQuerier(packageName);
-
-#if UNITY_WEBGL
-			_cacheVerifier = new CacheVerifierWithoutThread();
-#else
-			_cacheVerifier = new CacheVerifierWithThread();
-#endif
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.QueryAppPackageVersion;
+			_steps = ESteps.QueryBuildinPackageVersion;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.QueryAppPackageVersion)
+			if (_steps == ESteps.QueryBuildinPackageVersion)
 			{
-				_appPackageVersionQuerier.Update();
-				if (_appPackageVersionQuerier.IsDone == false)
+				if (_queryBuildinPackageVersionOp == null)
+				{
+					_queryBuildinPackageVersionOp = new QueryBuildinPackageVersionOperation(_packageName);
+					OperationSystem.StartOperation(_queryBuildinPackageVersionOp);
+				}
+
+				if (_queryBuildinPackageVersionOp.IsDone == false)
 					return;
 
-				string error = _appPackageVersionQuerier.Error;
-				if (string.IsNullOrEmpty(error) == false)
+				if (_queryBuildinPackageVersionOp.Status == EOperationStatus.Succeed)
 				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = error;
+					_steps = ESteps.LoadBuildinManifest;
 				}
 				else
 				{
-					_appManifestLoader = new AppManifestLoader(_packageName, _appPackageVersionQuerier.Version);
-					_steps = ESteps.LoadAppManifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _queryBuildinPackageVersionOp.Error;
 				}
 			}
 
-			if (_steps == ESteps.LoadAppManifest)
+			if (_steps == ESteps.LoadBuildinManifest)
 			{
-				_appManifestLoader.Update();
-				Progress = _appManifestLoader.Progress;
-				if (_appManifestLoader.IsDone == false)
+				if (_loadBuildinManifestOp == null)
+				{
+					_loadBuildinManifestOp = new LoadBuildinManifestOperation(_packageName, _queryBuildinPackageVersionOp.PackageVersion);
+					OperationSystem.StartOperation(_loadBuildinManifestOp);
+				}
+
+				Progress = _loadBuildinManifestOp.Progress;
+				if (_loadBuildinManifestOp.IsDone == false)
 					return;
 
-				var manifest = _appManifestLoader.Manifest;
-				if (manifest == null)
+				if (_loadBuildinManifestOp.Status == EOperationStatus.Succeed)
 				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = _appManifestLoader.Error;
+					PackageVersion = _loadBuildinManifestOp.Manifest.PackageVersion;
+					_impl.ActiveManifest = _loadBuildinManifestOp.Manifest;
+					_steps = ESteps.VerifyPackage;
 				}
 				else
 				{
-					InitializedPackageVersion = manifest.PackageVersion;
-					_impl.SetAppPatchManifest(manifest);
-					_steps = ESteps.InitVerifyingCache;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _loadBuildinManifestOp.Error;
 				}
 			}
 
-			if (_steps == ESteps.InitVerifyingCache)
+			if (_steps == ESteps.VerifyPackage)
 			{
-				var verifyInfos = _impl.GetVerifyInfoList();
-				_cacheVerifier.InitVerifier(verifyInfos);
-				_verifyTime = UnityEngine.Time.realtimeSinceStartup;
-				_steps = ESteps.UpdateVerifyingCache;
-			}
+				if (_verifyOperation == null)
+				{
+					_verifyOperation = VerifyPackageOperation.CreateOperation(_impl.ActiveManifest, _impl);
+					OperationSystem.StartOperation(_verifyOperation);
+				}
 
-			if (_steps == ESteps.UpdateVerifyingCache)
-			{
-				Progress = _cacheVerifier.GetVerifierProgress();
-				if (_cacheVerifier.UpdateVerifier())
+				Progress = _verifyOperation.Progress;
+				if (_verifyOperation.IsDone)
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Succeed;
-					float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyTime;
-					YooLogger.Log($"Verify result : Success {_cacheVerifier.VerifySuccessList.Count}, Fail {_cacheVerifier.VerifyFailList.Count}, Elapsed time {costTime} seconds");
 				}
 			}
 		}
@@ -190,427 +180,239 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
+			CheckAppFootPrint,
+			QueryCachePackageVersion,
 			TryLoadCacheManifest,
-			QueryAppPackageVersion,
-			CopyAppManifest,
-			LoadAppManifest,
-			InitVerifyingCache,
-			UpdateVerifyingCache,
+			QueryBuildinPackageVersion,
+			UnpackBuildinManifest,
+			LoadBuildinManifest,
+			VerifyPackage,
 			Done,
 		}
 
 		private readonly HostPlayModeImpl _impl;
 		private readonly string _packageName;
-		private readonly CacheVerifier _cacheVerifier;
-		private readonly AppPackageVersionQuerier _appPackageVersionQuerier;
-		private AppManifestCopyer _appManifestCopyer;
-		private AppManifestLoader _appManifestLoader;
+		private QueryBuildinPackageVersionOperation _queryBuildinPackageVersionOp;
+		private QueryCachePackageVersionOperation _queryCachePackageVersionOp;
+		private UnpackBuildinManifestOperation _unpackBuildinManifestOp;
+		private LoadBuildinManifestOperation _loadBuildinManifestOp;
+		private LoadCacheManifestOperation _loadCacheManifestOp;
+		private VerifyPackageOperation _verifyOperation;
 		private ESteps _steps = ESteps.None;
-		private float _verifyTime;
 
 		internal HostPlayModeInitializationOperation(HostPlayModeImpl impl, string packageName)
 		{
 			_impl = impl;
 			_packageName = packageName;
-			_appPackageVersionQuerier = new AppPackageVersionQuerier(packageName);
-
-#if UNITY_WEBGL
-			_cacheVerifier = new CacheVerifierWithoutThread();
-#else
-			_cacheVerifier = new CacheVerifierWithThread();
-#endif
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.TryLoadCacheManifest;
+			_steps = ESteps.CheckAppFootPrint;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.TryLoadCacheManifest)
+			if (_steps == ESteps.CheckAppFootPrint)
 			{
-				if (PersistentHelper.CheckCacheManifestFileExists(_packageName))
+				var appFootPrint = new AppFootPrint();
+				appFootPrint.Load();
+
+				// 如果水印发生变化，则说明覆盖安装后首次打开游戏
+				if (appFootPrint.IsDirty())
 				{
-					try
-					{
-						var manifest = PersistentHelper.LoadCacheManifestFile(_packageName);
-						InitializedPackageVersion = manifest.PackageVersion;
-						_impl.SetLocalPatchManifest(manifest);
-						_steps = ESteps.InitVerifyingCache;
-					}
-					catch (System.Exception e)
-					{
-						// 注意：如果加载沙盒内的清单报错，为了避免流程被卡住，我们主动把损坏的文件删除。
-						YooLogger.Warning($"Failed to load cache manifest file : {e.Message}");
-						PersistentHelper.DeleteCacheManifestFile(_packageName);
-						_steps = ESteps.QueryAppPackageVersion;
-					}
+					PersistentHelper.DeleteManifestFolder();
+					appFootPrint.Coverage();
+					YooLogger.Log("Delete manifest files when application foot print dirty !");
+				}
+				_steps = ESteps.QueryCachePackageVersion;
+			}
+
+			if (_steps == ESteps.QueryCachePackageVersion)
+			{
+				if (_queryCachePackageVersionOp == null)
+				{
+					_queryCachePackageVersionOp = new QueryCachePackageVersionOperation(_packageName);
+					OperationSystem.StartOperation(_queryCachePackageVersionOp);
+				}
+
+				if (_queryCachePackageVersionOp.IsDone == false)
+					return;
+
+				if (_queryCachePackageVersionOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.TryLoadCacheManifest;
 				}
 				else
 				{
-					_steps = ESteps.QueryAppPackageVersion;
+					_steps = ESteps.QueryBuildinPackageVersion;
 				}
 			}
 
-			if (_steps == ESteps.QueryAppPackageVersion)
+			if (_steps == ESteps.TryLoadCacheManifest)
 			{
-				_appPackageVersionQuerier.Update();
-				if (_appPackageVersionQuerier.IsDone == false)
+				if (_loadCacheManifestOp == null)
+				{
+					_loadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _queryCachePackageVersionOp.PackageVersion);
+					OperationSystem.StartOperation(_loadCacheManifestOp);
+				}
+
+				if (_loadCacheManifestOp.IsDone == false)
+					return;
+
+				if (_loadCacheManifestOp.Status == EOperationStatus.Succeed)
+				{
+					PackageVersion = _loadCacheManifestOp.Manifest.PackageVersion;
+					_impl.ActiveManifest = _loadCacheManifestOp.Manifest;
+					_steps = ESteps.VerifyPackage;
+				}
+				else
+				{
+					_steps = ESteps.QueryBuildinPackageVersion;
+				}
+			}
+
+			if (_steps == ESteps.QueryBuildinPackageVersion)
+			{
+				if (_queryBuildinPackageVersionOp == null)
+				{
+					_queryBuildinPackageVersionOp = new QueryBuildinPackageVersionOperation(_packageName);
+					OperationSystem.StartOperation(_queryBuildinPackageVersionOp);
+				}
+
+				if (_queryBuildinPackageVersionOp.IsDone == false)
 					return;
 
 				// 注意：为了兼容MOD模式，初始化动态新增的包裹的时候，如果内置清单不存在也不需要报错！
-				string error = _appPackageVersionQuerier.Error;
-				if (string.IsNullOrEmpty(error) == false)
+				if (_queryBuildinPackageVersionOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.UnpackBuildinManifest;
+				}
+				else
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Succeed;
+					string error = _queryBuildinPackageVersionOp.Error;
 					YooLogger.Log($"Failed to load buildin package version file : {error}");
 				}
-				else
-				{
-					_appManifestCopyer = new AppManifestCopyer(_packageName, _appPackageVersionQuerier.Version);
-					_appManifestLoader = new AppManifestLoader(_packageName, _appPackageVersionQuerier.Version);
-					_steps = ESteps.CopyAppManifest;
-				}
 			}
 
-			if (_steps == ESteps.CopyAppManifest)
+			if (_steps == ESteps.UnpackBuildinManifest)
 			{
-				_appManifestCopyer.Update();
-				Progress = _appManifestCopyer.Progress;
-				if (_appManifestCopyer.IsDone == false)
+				if (_unpackBuildinManifestOp == null)
+				{
+					_unpackBuildinManifestOp = new UnpackBuildinManifestOperation(_packageName, _queryBuildinPackageVersionOp.PackageVersion);
+					OperationSystem.StartOperation(_unpackBuildinManifestOp);
+				}
+
+				if (_unpackBuildinManifestOp.IsDone == false)
 					return;
 
-				string error = _appManifestCopyer.Error;
-				if (string.IsNullOrEmpty(error) == false)
+				if (_unpackBuildinManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.LoadBuildinManifest;
+				}
+				else
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = error;
-				}
-				else
-				{
-					_steps = ESteps.LoadAppManifest;
+					Error = _unpackBuildinManifestOp.Error;
 				}
 			}
 
-			if (_steps == ESteps.LoadAppManifest)
+			if (_steps == ESteps.LoadBuildinManifest)
 			{
-				_appManifestLoader.Update();
-				Progress = _appManifestLoader.Progress;
-				if (_appManifestLoader.IsDone == false)
+				if (_loadBuildinManifestOp == null)
+				{
+					_loadBuildinManifestOp = new LoadBuildinManifestOperation(_packageName, _queryBuildinPackageVersionOp.PackageVersion);
+					OperationSystem.StartOperation(_loadBuildinManifestOp);
+				}
+
+				Progress = _loadBuildinManifestOp.Progress;
+				if (_loadBuildinManifestOp.IsDone == false)
 					return;
 
-				var manifest = _appManifestLoader.Manifest;
-				if (manifest == null)
+				if (_loadBuildinManifestOp.Status == EOperationStatus.Succeed)
+				{
+					PackageVersion = _loadBuildinManifestOp.Manifest.PackageVersion;
+					_impl.ActiveManifest = _loadBuildinManifestOp.Manifest;
+					_steps = ESteps.VerifyPackage;
+				}
+				else
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _appManifestLoader.Error;
+					Error = _loadBuildinManifestOp.Error;
 				}
-				else
+			}
+
+			if (_steps == ESteps.VerifyPackage)
+			{
+				if (_verifyOperation == null)
 				{
-					InitializedPackageVersion = manifest.PackageVersion;
-					_impl.SetLocalPatchManifest(manifest);
-					_steps = ESteps.InitVerifyingCache;
+					_verifyOperation = VerifyPackageOperation.CreateOperation(_impl.ActiveManifest, _impl);
+					OperationSystem.StartOperation(_verifyOperation);
 				}
-			}
 
-			if (_steps == ESteps.InitVerifyingCache)
-			{
-				var verifyInfos = _impl.GetVerifyInfoList(false);
-				_cacheVerifier.InitVerifier(verifyInfos);
-				_verifyTime = UnityEngine.Time.realtimeSinceStartup;
-				_steps = ESteps.UpdateVerifyingCache;
-			}
-
-			if (_steps == ESteps.UpdateVerifyingCache)
-			{
-				Progress = _cacheVerifier.GetVerifierProgress();
-				if (_cacheVerifier.UpdateVerifier())
+				Progress = _verifyOperation.Progress;
+				if (_verifyOperation.IsDone)
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Succeed;
-					float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyTime;
-					YooLogger.Log($"Verify result : Success {_cacheVerifier.VerifySuccessList.Count}, Fail {_cacheVerifier.VerifyFailList.Count}, Elapsed time {costTime} seconds");
 				}
 			}
 		}
 	}
 
-
 	/// <summary>
-	/// 内置补丁清单版本查询器
+	/// 应用程序水印
 	/// </summary>
-	internal class AppPackageVersionQuerier
+	internal class AppFootPrint
 	{
-		private enum ESteps
+		private string _footPrint;
+
+		/// <summary>
+		/// 读取应用程序水印
+		/// </summary>
+		public void Load()
 		{
-			LoadStaticVersion,
-			CheckStaticVersion,
-			Done,
-		}
-
-		private readonly string _buildinPackageName;
-		private ESteps _steps = ESteps.LoadStaticVersion;
-		private UnityWebDataRequester _downloader;
-
-		/// <summary>
-		/// 内置包裹版本
-		/// </summary>
-		public string Version { private set; get; }
-
-		/// <summary>
-		/// 错误日志
-		/// </summary>
-		public string Error { private set; get; }
-
-		/// <summary>
-		/// 是否已经完成
-		/// </summary>
-		public bool IsDone
-		{
-			get
+			string footPrintFilePath = PersistentHelper.GetAppFootPrintFilePath();
+			if (File.Exists(footPrintFilePath))
 			{
-				return _steps == ESteps.Done;
+				_footPrint = FileUtility.ReadAllText(footPrintFilePath);
 			}
-		}
-
-
-		public AppPackageVersionQuerier(string buildinPackageName)
-		{
-			_buildinPackageName = buildinPackageName;
-		}
-
-		/// <summary>
-		/// 更新流程
-		/// </summary>
-		public void Update()
-		{
-			if (IsDone)
-				return;
-
-			if (_steps == ESteps.LoadStaticVersion)
+			else
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestVersionFileName(_buildinPackageName);
-				string filePath = PathHelper.MakeStreamingLoadPath(fileName);
-				string url = PathHelper.ConvertToWWWPath(filePath);
-				_downloader = new UnityWebDataRequester();
-				_downloader.SendRequest(url);
-				_steps = ESteps.CheckStaticVersion;
-			}
-
-			if (_steps == ESteps.CheckStaticVersion)
-			{
-				if (_downloader.IsDone() == false)
-					return;
-
-				if (_downloader.HasError())
-				{
-					Error = _downloader.GetError();
-				}
-				else
-				{
-					Version = _downloader.GetText();
-					if (string.IsNullOrEmpty(Version))
-						Error = $"Buildin package version file content is empty !";
-				}
-				_steps = ESteps.Done;
-				_downloader.Dispose();
-			}
-		}
-	}
-
-	/// <summary>
-	/// 内置补丁清单加载器
-	/// </summary>
-	internal class AppManifestLoader
-	{
-		private enum ESteps
-		{
-			LoadAppManifest,
-			CheckAppManifest,
-			Done,
-		}
-
-		private readonly string _buildinPackageName;
-		private readonly string _buildinPackageVersion;
-		private ESteps _steps = ESteps.LoadAppManifest;
-		private UnityWebDataRequester _downloader;
-
-		/// <summary>
-		/// 加载结果
-		/// </summary>
-		public PatchManifest Manifest { private set; get; }
-
-		/// <summary>
-		/// 错误日志
-		/// </summary>
-		public string Error { private set; get; }
-
-		/// <summary>
-		/// 是否已经完成
-		/// </summary>
-		public bool IsDone
-		{
-			get
-			{
-				return _steps == ESteps.Done;
+				Coverage();
 			}
 		}
 
 		/// <summary>
-		/// 加载进度
+		/// 检测水印是否发生变化
 		/// </summary>
-		public float Progress
+		public bool IsDirty()
 		{
-			get
-			{
-				if (_downloader == null)
-					return 0;
-				return _downloader.Progress();
-			}
-		}
-
-
-		public AppManifestLoader(string buildinPackageName, string buildinPackageVersion)
-		{
-			_buildinPackageName = buildinPackageName;
-			_buildinPackageVersion = buildinPackageVersion;
+#if UNITY_EDITOR
+			return _footPrint != Application.version;
+#else
+			return _footPrint != Application.buildGUID;
+#endif
 		}
 
 		/// <summary>
-		/// 更新流程
+		/// 覆盖掉水印
 		/// </summary>
-		public void Update()
+		public void Coverage()
 		{
-			if (IsDone)
-				return;
-
-			if (_steps == ESteps.LoadAppManifest)
-			{
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
-				string filePath = PathHelper.MakeStreamingLoadPath(fileName);
-				string url = PathHelper.ConvertToWWWPath(filePath);
-				_downloader = new UnityWebDataRequester();
-				_downloader.SendRequest(url);
-				_steps = ESteps.CheckAppManifest;
-			}
-
-			if (_steps == ESteps.CheckAppManifest)
-			{
-				if (_downloader.IsDone() == false)
-					return;
-
-				if (_downloader.HasError())
-				{
-					Error = _downloader.GetError();
-				}
-				else
-				{
-					// 解析APP里的补丁清单
-					try
-					{
-						byte[] bytesData = _downloader.GetData();
-						Manifest = PatchManifest.DeserializeFromBinary(bytesData);
-					}
-					catch (System.Exception e)
-					{
-						Error = e.Message;
-					}
-				}
-				_steps = ESteps.Done;
-				_downloader.Dispose();
-			}
-		}
-	}
-
-	/// <summary>
-	/// 内置补丁清单复制器
-	/// </summary>
-	internal class AppManifestCopyer
-	{
-		private enum ESteps
-		{
-			CopyAppManifest,
-			CheckAppManifest,
-			Done,
-		}
-
-		private readonly string _buildinPackageName;
-		private readonly string _buildinPackageVersion;
-		private ESteps _steps = ESteps.CopyAppManifest;
-		private UnityWebFileRequester _downloader;
-
-		/// <summary>
-		/// 错误日志
-		/// </summary>
-		public string Error { private set; get; }
-
-		/// <summary>
-		/// 是否已经完成
-		/// </summary>
-		public bool IsDone
-		{
-			get
-			{
-				return _steps == ESteps.Done;
-			}
-		}
-
-		/// <summary>
-		/// 加载进度
-		/// </summary>
-		public float Progress
-		{
-			get
-			{
-				if (_downloader == null)
-					return 0;
-				return _downloader.Progress();
-			}
-		}
-
-
-		public AppManifestCopyer(string buildinPackageName, string buildinPackageVersion)
-		{
-			_buildinPackageName = buildinPackageName;
-			_buildinPackageVersion = buildinPackageVersion;
-		}
-
-		/// <summary>
-		/// 更新流程
-		/// </summary>
-		public void Update()
-		{
-			if (IsDone)
-				return;
-
-			if (_steps == ESteps.CopyAppManifest)
-			{
-				string savePath = PersistentHelper.GetCacheManifestFilePath(_buildinPackageName);
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
-				string filePath = PathHelper.MakeStreamingLoadPath(fileName);
-				string url = PathHelper.ConvertToWWWPath(filePath);
-				_downloader = new UnityWebFileRequester();
-				_downloader.SendRequest(url, savePath);
-				_steps = ESteps.CheckAppManifest;
-			}
-
-			if (_steps == ESteps.CheckAppManifest)
-			{
-				if (_downloader.IsDone() == false)
-					return;
-
-				if (_downloader.HasError())
-				{
-					Error = _downloader.GetError();
-				}
-				_steps = ESteps.Done;
-				_downloader.Dispose();
-			}
+#if UNITY_EDITOR
+			_footPrint = Application.version;
+#else
+			_footPrint = Application.buildGUID;
+#endif
+			string footPrintFilePath = PersistentHelper.GetAppFootPrintFilePath();
+			FileUtility.CreateFile(footPrintFilePath, _footPrint);
+			YooLogger.Log($"Save application foot print : {_footPrint}");
 		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: ba3f4fc8cf6941f4a96ab928cec547e3
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/DeserializeManifestOperation.cs

@@ -0,0 +1,173 @@
+using System.IO;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+	internal class DeserializeManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			DeserializeFileHeader,
+			PrepareAssetList,
+			DeserializeAssetList,
+			PrepareBundleList,
+			DeserializeBundleList,
+			Done,
+		}
+	
+		private readonly BufferReader _buffer;
+		private int _patchAssetCount;
+		private int _patchBundleCount;
+		private int _progressTotalValue;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 解析的清单实例
+		/// </summary>
+		public PatchManifest Manifest { private set; get; }
+
+		public DeserializeManifestOperation(byte[] binaryData)
+		{
+			_buffer = new BufferReader(binaryData);
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.DeserializeFileHeader;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			try
+			{
+				if (_steps == ESteps.DeserializeFileHeader)
+				{
+					if (_buffer.IsValid == false)
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Failed;
+						Error = "Buffer is invalid !";
+						return;
+					}
+
+					// 读取文件标记
+					uint fileSign = _buffer.ReadUInt32();
+					if (fileSign != YooAssetSettings.PatchManifestFileSign)
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Failed;
+						Error = "The manifest file format is invalid !";
+						return;
+					}
+
+					// 读取文件版本
+					string fileVersion = _buffer.ReadUTF8();
+					if (fileVersion != YooAssetSettings.PatchManifestFileVersion)
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Failed;
+						Error = $"The manifest file version are not compatible : {fileVersion} != {YooAssetSettings.PatchManifestFileVersion}";
+						return;
+					}
+
+					// 读取文件头信息
+					Manifest = new PatchManifest();
+					Manifest.FileVersion = fileVersion;
+					Manifest.EnableAddressable = _buffer.ReadBool();
+					Manifest.OutputNameStyle = _buffer.ReadInt32();
+					Manifest.PackageName = _buffer.ReadUTF8();
+					Manifest.PackageVersion = _buffer.ReadUTF8();
+
+					_steps = ESteps.PrepareAssetList;
+				}
+
+				if (_steps == ESteps.PrepareAssetList)
+				{
+					_patchAssetCount = _buffer.ReadInt32();
+					Manifest.AssetList = new List<PatchAsset>(_patchAssetCount);
+					Manifest.AssetDic = new Dictionary<string, PatchAsset>(_patchAssetCount);
+					_progressTotalValue = _patchAssetCount;
+					_steps = ESteps.DeserializeAssetList;
+				}
+				if (_steps == ESteps.DeserializeAssetList)
+				{
+					while (_patchAssetCount > 0)
+					{
+						var patchAsset = new PatchAsset();
+						patchAsset.Address = _buffer.ReadUTF8();
+						patchAsset.AssetPath = _buffer.ReadUTF8();
+						patchAsset.AssetTags = _buffer.ReadUTF8Array();
+						patchAsset.BundleID = _buffer.ReadInt32();
+						patchAsset.DependIDs = _buffer.ReadInt32Array();
+						Manifest.AssetList.Add(patchAsset);
+
+						// 注意：我们不允许原始路径存在重名
+						string assetPath = patchAsset.AssetPath;
+						if (Manifest.AssetDic.ContainsKey(assetPath))
+							throw new System.Exception($"AssetPath have existed : {assetPath}");
+						else
+							Manifest.AssetDic.Add(assetPath, patchAsset);
+
+						_patchAssetCount--;
+						Progress = 1f - _patchAssetCount / _progressTotalValue;
+						if (OperationSystem.IsBusy)
+							break;
+					}
+
+					if (_patchAssetCount <= 0)
+					{
+						_steps = ESteps.PrepareBundleList;
+					}
+				}
+
+				if (_steps == ESteps.PrepareBundleList)
+				{
+					_patchBundleCount = _buffer.ReadInt32();
+					Manifest.BundleList = new List<PatchBundle>(_patchBundleCount);
+					Manifest.BundleDic = new Dictionary<string, PatchBundle>(_patchBundleCount);
+					_progressTotalValue = _patchBundleCount;
+					_steps = ESteps.DeserializeBundleList;
+				}
+				if (_steps == ESteps.DeserializeBundleList)
+				{
+					while (_patchBundleCount > 0)
+					{
+						var patchBundle = new PatchBundle();
+						patchBundle.BundleName = _buffer.ReadUTF8();
+						patchBundle.FileHash = _buffer.ReadUTF8();
+						patchBundle.FileCRC = _buffer.ReadUTF8();
+						patchBundle.FileSize = _buffer.ReadInt64();
+						patchBundle.IsRawFile = _buffer.ReadBool();
+						patchBundle.LoadMethod = _buffer.ReadByte();
+						patchBundle.Tags = _buffer.ReadUTF8Array();
+						Manifest.BundleList.Add(patchBundle);
+
+						patchBundle.ParseBundle(Manifest.PackageName, Manifest.OutputNameStyle);
+						Manifest.BundleDic.Add(patchBundle.BundleName, patchBundle);
+
+						_patchBundleCount--;
+						Progress = 1f - _patchBundleCount / _progressTotalValue;
+						if (OperationSystem.IsBusy)
+							break;
+					}
+
+					if (_patchBundleCount <= 0)
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Succeed;
+					}
+				}
+			}
+			catch (System.Exception e)
+			{
+				Manifest = null;
+				_steps = ESteps.Done;
+				Status = EOperationStatus.Failed;
+				Error = e.Message;
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/DeserializeManifestOperation.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 223f217ed81460541b5ea7eb7a7d82a4
+guid: a800be1f31ec6364f8cdd0d8c7eef269
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/DownloadManifestOperation.cs

@@ -0,0 +1,111 @@
+
+namespace YooAsset
+{
+	internal class DownloadManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			DownloadPackageHashFile,
+			DownloadManifestFile,
+			Done,
+		}
+
+		private static int RequestCount = 0;
+		private readonly IRemoteServices _remoteServices;
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private readonly int _timeout;
+		private UnityWebFileRequester _downloader1;
+		private UnityWebFileRequester _downloader2;
+		private ESteps _steps = ESteps.None;
+
+		internal DownloadManifestOperation(IRemoteServices remoteServices, string packageName, string packageVersion, int timeout)
+		{
+			_remoteServices = remoteServices;
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			RequestCount++;
+			_steps = ESteps.DownloadPackageHashFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.DownloadPackageHashFile)
+			{
+				if (_downloader1 == null)
+				{
+					string savePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+					string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, _packageVersion);
+					string webURL = GetDownloadRequestURL(fileName);
+					YooLogger.Log($"Beginning to download package hash file : {webURL}");
+					_downloader1 = new UnityWebFileRequester();
+					_downloader1.SendRequest(webURL, savePath, _timeout);
+				}
+
+				_downloader1.CheckTimeout();
+				if (_downloader1.IsDone() == false)
+					return;
+
+				if (_downloader1.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader1.GetError();
+				}
+				else
+				{
+					_steps = ESteps.DownloadManifestFile;
+				}
+
+				_downloader1.Dispose();
+			}
+
+			if (_steps == ESteps.DownloadManifestFile)
+			{
+				if (_downloader2 == null)
+				{
+					string savePath = PersistentHelper.GetCacheManifestFilePath(_packageName, _packageVersion);
+					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, _packageVersion);
+					string webURL = GetDownloadRequestURL(fileName);
+					YooLogger.Log($"Beginning to download manifest file : {webURL}");
+					_downloader2 = new UnityWebFileRequester();
+					_downloader2.SendRequest(webURL, savePath, _timeout);
+				}
+
+				_downloader2.CheckTimeout();
+				if (_downloader2.IsDone() == false)
+					return;
+
+				if (_downloader2.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader2.GetError();
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+
+				_downloader2.Dispose();
+			}
+		}
+
+		private string GetDownloadRequestURL(string fileName)
+		{
+			// 轮流返回请求地址
+			if (RequestCount % 2 == 0)
+				return _remoteServices.GetRemoteFallbackURL(fileName);
+			else
+				return _remoteServices.GetRemoteMainURL(fileName);
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/DownloadManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fccaa9437207a174d858ce44f14f5a03
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadBuildinManifestOperation.cs

@@ -0,0 +1,92 @@
+
+namespace YooAsset
+{
+	internal class LoadBuildinManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			LoadBuildinManifest,
+			CheckDeserializeManifest,
+			Done,
+		}
+
+		private readonly string _buildinPackageName;
+		private readonly string _buildinPackageVersion;
+		private UnityWebDataRequester _downloader;
+		private DeserializeManifestOperation _deserializer;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 加载的清单实例
+		/// </summary>
+		public PatchManifest Manifest { private set; get; }
+
+
+		public LoadBuildinManifestOperation(string buildinPackageName, string buildinPackageVersion)
+		{
+			_buildinPackageName = buildinPackageName;
+			_buildinPackageVersion = buildinPackageVersion;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.LoadBuildinManifest;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadBuildinManifest)
+			{
+				if (_downloader == null)
+				{
+					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
+					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string url = PathHelper.ConvertToWWWPath(filePath);
+					_downloader = new UnityWebDataRequester();
+					_downloader.SendRequest(url);
+				}
+
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader.GetError();
+				}
+				else
+				{
+					byte[] bytesData = _downloader.GetData();
+					_deserializer = new DeserializeManifestOperation(bytesData);
+					OperationSystem.StartOperation(_deserializer);
+					_steps = ESteps.CheckDeserializeManifest;
+				}
+
+				_downloader.Dispose();
+			}
+
+			if (_steps == ESteps.CheckDeserializeManifest)
+			{
+				Progress = _deserializer.Progress;
+				if (_deserializer.IsDone == false)
+					return;
+
+				if (_deserializer.Status == EOperationStatus.Succeed)
+				{
+					Manifest = _deserializer.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _deserializer.Error;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadBuildinManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f3a2fe7d8d4747d43b3ac48097341e36
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadCacheManifestOperation.cs

@@ -0,0 +1,141 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class LoadCacheManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			QueryCachePackageHash,
+			VerifyFileHash,
+			LoadCacheManifest,
+			CheckDeserializeManifest,
+			Done,
+		}
+
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private QueryCachePackageHashOperation _queryCachePackageHashOp;
+		private DeserializeManifestOperation _deserializer;
+		private string _manifestFilePath;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 加载的清单实例
+		/// </summary>
+		public PatchManifest Manifest { private set; get; }
+
+
+		public LoadCacheManifestOperation(string packageName, string packageVersion)
+		{
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.QueryCachePackageHash;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.QueryCachePackageHash)
+			{
+				if (_queryCachePackageHashOp == null)
+				{
+					_queryCachePackageHashOp = new QueryCachePackageHashOperation(_packageName, _packageVersion);
+					OperationSystem.StartOperation(_queryCachePackageHashOp);
+				}
+
+				if (_queryCachePackageHashOp.IsDone == false)
+					return;
+
+				if (_queryCachePackageHashOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.VerifyFileHash;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _queryCachePackageHashOp.Error;
+					ClearCacheFile();
+				}
+			}
+
+			if (_steps == ESteps.VerifyFileHash)
+			{
+				_manifestFilePath = PersistentHelper.GetCacheManifestFilePath(_packageName, _packageVersion);
+				if (File.Exists(_manifestFilePath) == false)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Not found cache manifest file : {_manifestFilePath}";
+					ClearCacheFile();
+					return;
+				}
+
+				string fileHash = HashUtility.FileMD5(_manifestFilePath);
+				if (fileHash != _queryCachePackageHashOp.PackageHash)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = "Failed to verify cache manifest file hash !";
+					ClearCacheFile();
+				}
+				else
+				{
+					_steps = ESteps.LoadCacheManifest;
+				}
+			}
+
+			if (_steps == ESteps.LoadCacheManifest)
+			{
+				byte[] bytesData = File.ReadAllBytes(_manifestFilePath);
+				_deserializer = new DeserializeManifestOperation(bytesData);
+				OperationSystem.StartOperation(_deserializer);
+				_steps = ESteps.CheckDeserializeManifest;
+			}
+
+			if (_steps == ESteps.CheckDeserializeManifest)
+			{
+				Progress = _deserializer.Progress;
+				if (_deserializer.IsDone == false)
+					return;
+
+				if (_deserializer.Status == EOperationStatus.Succeed)
+				{
+					Manifest = _deserializer.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _deserializer.Error;
+					ClearCacheFile();
+				}
+			}
+		}
+
+		private void ClearCacheFile()
+		{
+			// 注意：如果加载沙盒内的清单报错，为了避免流程被卡住，主动把损坏的文件删除。
+			if (File.Exists(_manifestFilePath))
+			{
+				YooLogger.Warning($"Failed to load cache manifest file : {Error}");
+				YooLogger.Warning($"Invalid cache manifest file have been removed : {_manifestFilePath}");
+				File.Delete(_manifestFilePath);
+			}
+
+			string hashFilePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+			if (File.Exists(hashFilePath))
+			{
+				File.Delete(hashFilePath);
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadCacheManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5067db2d5b2aa1240aef2f9a952a2e0c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadEditorManifestOperation.cs

@@ -0,0 +1,76 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class LoadEditorManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			LoadEditorManifest,
+			CheckDeserializeManifest,
+			Done,
+		}
+
+		private readonly string _manifestFilePath;
+		private DeserializeManifestOperation _deserializer;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 加载的清单实例
+		/// </summary>
+		public PatchManifest Manifest { private set; get; }
+
+
+		public LoadEditorManifestOperation(string manifestFilePath)
+		{
+			_manifestFilePath = manifestFilePath;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.LoadEditorManifest;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadEditorManifest)
+			{
+				if (File.Exists(_manifestFilePath) == false)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Not found simulation manifest file : {_manifestFilePath}";
+					return;
+				}
+				
+				YooLogger.Log($"Load editor manifest file : {_manifestFilePath}");
+				byte[] bytesData = FileUtility.ReadAllBytes(_manifestFilePath);
+				_deserializer = new DeserializeManifestOperation(bytesData);
+				OperationSystem.StartOperation(_deserializer);
+				_steps = ESteps.CheckDeserializeManifest;
+			}
+
+			if (_steps == ESteps.CheckDeserializeManifest)
+			{
+				Progress = _deserializer.Progress;
+				if (_deserializer.IsDone == false)
+					return;
+
+				if (_deserializer.Status == EOperationStatus.Succeed)
+				{
+					Manifest = _deserializer.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _deserializer.Error;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadEditorManifestOperation.cs.meta

@@ -0,0 +1,11 @@
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+guid: 246df4d20b431c648a0821231a805e6b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryBuildinPackageVersionOperation.cs

@@ -0,0 +1,76 @@
+
+namespace YooAsset
+{
+	internal class QueryBuildinPackageVersionOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			LoadBuildinPackageVersionFile,
+			Done,
+		}
+
+		private readonly string _packageName;
+		private UnityWebDataRequester _downloader;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 包裹版本
+		/// </summary>
+		public string PackageVersion { private set; get; }
+
+
+		public QueryBuildinPackageVersionOperation(string packageName)
+		{
+			_packageName = packageName;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.LoadBuildinPackageVersionFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadBuildinPackageVersionFile)
+			{
+				if (_downloader == null)
+				{
+					string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
+					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string url = PathHelper.ConvertToWWWPath(filePath);
+					_downloader = new UnityWebDataRequester();
+					_downloader.SendRequest(url);
+				}
+
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader.GetError();
+				}
+				else
+				{
+					PackageVersion = _downloader.GetText();
+					if (string.IsNullOrEmpty(PackageVersion))
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Failed;
+						Error = $"Buildin package version file content is empty !";
+					}
+					else
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Succeed;
+					}
+				}
+
+				_downloader.Dispose();
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryBuildinPackageVersionOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: bdc251ea99d82e54199dfba540f2814d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryCachePackageHashOperation.cs

@@ -0,0 +1,64 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class QueryCachePackageHashOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			LoadCachePackageHashFile,
+			Done,
+		}
+
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 包裹哈希值
+		/// </summary>
+		public string PackageHash { private set; get; }
+
+
+		public QueryCachePackageHashOperation(string packageName, string packageVersion)
+		{
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.LoadCachePackageHashFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadCachePackageHashFile)
+			{
+				string filePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+				if (File.Exists(filePath) == false)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Cache package hash file not found : {filePath}";
+					return;
+				}
+
+				PackageHash = FileUtility.ReadAllText(filePath);
+				if (string.IsNullOrEmpty(PackageHash))
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Cache package hash file content is empty !";
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryCachePackageHashOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 60db6a6586340664ab7e9f85cec0eef4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryCachePackageVersionOperation.cs

@@ -0,0 +1,62 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class QueryCachePackageVersionOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			LoadCachePackageVersionFile,
+			Done,
+		}
+
+		private readonly string _packageName;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 包裹版本
+		/// </summary>
+		public string PackageVersion { private set; get; }
+
+
+		public QueryCachePackageVersionOperation(string packageName)
+		{
+			_packageName = packageName;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.LoadCachePackageVersionFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadCachePackageVersionFile)
+			{
+				string filePath = PersistentHelper.GetCachePackageVersionFilePath(_packageName);
+				if (File.Exists(filePath) == false)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Cache package version file not found : {filePath}";
+					return;
+				}
+
+				PackageVersion = FileUtility.ReadAllText(filePath);
+				if (string.IsNullOrEmpty(PackageVersion))
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Cache package version file content is empty !";
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryCachePackageVersionOperation.cs.meta

@@ -0,0 +1,11 @@
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+guid: 29a2cbdd051ba1247a24693d56cdc2c3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryRemotePackageVersionOperation.cs

@@ -0,0 +1,103 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class QueryRemotePackageVersionOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			DownloadPackageVersion,
+			Done,
+		}
+
+		private static int RequestCount = 0;
+		private readonly IRemoteServices _remoteServices;
+		private readonly string _packageName;
+		private readonly bool _appendTimeTicks;
+		private readonly int _timeout;
+		private UnityWebDataRequester _downloader;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 包裹版本
+		/// </summary>
+		public string PackageVersion { private set; get; }
+		
+
+		public QueryRemotePackageVersionOperation(IRemoteServices remoteServices, string packageName, bool appendTimeTicks, int timeout)
+		{
+			_remoteServices = remoteServices;
+			_packageName = packageName;
+			_appendTimeTicks = appendTimeTicks;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			RequestCount++;
+			_steps = ESteps.DownloadPackageVersion;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.DownloadPackageVersion)
+			{
+				if (_downloader == null)
+				{
+					string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
+					string webURL = GetPackageVersionRequestURL(fileName);
+					YooLogger.Log($"Beginning to request package version : {webURL}");
+					_downloader = new UnityWebDataRequester();
+					_downloader.SendRequest(webURL, _timeout);
+				}
+
+				Progress = _downloader.Progress();
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader.GetError();
+				}
+				else
+				{
+					PackageVersion = _downloader.GetText();
+					if (string.IsNullOrEmpty(PackageVersion))
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Failed;
+						Error = $"Remote package version is empty : {_downloader.URL}";
+					}
+					else
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Succeed;
+					}
+				}
+
+				_downloader.Dispose();
+			}
+		}
+
+		private string GetPackageVersionRequestURL(string fileName)
+		{
+			string url;
+
+			// 轮流返回请求地址
+			if (RequestCount % 2 == 0)
+				url = _remoteServices.GetRemoteFallbackURL(fileName);
+			else
+				url = _remoteServices.GetRemoteMainURL(fileName);
+
+			// 在URL末尾添加时间戳
+			if (_appendTimeTicks)
+				return $"{url}?{System.DateTime.UtcNow.Ticks}";
+			else
+				return url;
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryRemotePackageVersionOperation.cs.meta

@@ -0,0 +1,11 @@
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+guid: 1d702a1a39789a34da99cbb854708b82
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/UnpackBuildinManifestOperation.cs

@@ -0,0 +1,94 @@
+
+namespace YooAsset
+{
+	internal class UnpackBuildinManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			UnpackManifestHashFile,
+			UnpackManifestFile,
+			Done,
+		}
+
+		private readonly string _buildinPackageName;
+		private readonly string _buildinPackageVersion;
+		private UnityWebFileRequester _downloader1;
+		private UnityWebFileRequester _downloader2;
+		private ESteps _steps = ESteps.None;
+
+		public UnpackBuildinManifestOperation(string buildinPackageName, string buildinPackageVersion)
+		{
+			_buildinPackageName = buildinPackageName;
+			_buildinPackageVersion = buildinPackageVersion;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.UnpackManifestHashFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if(_steps == ESteps.UnpackManifestHashFile)
+			{
+				if (_downloader1 == null)
+				{
+					string savePath = PersistentHelper.GetCachePackageHashFilePath(_buildinPackageName, _buildinPackageVersion);
+					string fileName = YooAssetSettingsData.GetPackageHashFileName(_buildinPackageName, _buildinPackageVersion);
+					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string url = PathHelper.ConvertToWWWPath(filePath);
+					_downloader1 = new UnityWebFileRequester();
+					_downloader1.SendRequest(url, savePath);
+				}
+
+				if (_downloader1.IsDone() == false)
+					return;
+
+				if (_downloader1.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader1.GetError();
+				}
+				else
+				{
+					_steps = ESteps.UnpackManifestFile;
+				}
+
+				_downloader1.Dispose();
+			}
+
+			if (_steps == ESteps.UnpackManifestFile)
+			{
+				if (_downloader2 == null)
+				{
+					string savePath = PersistentHelper.GetCacheManifestFilePath(_buildinPackageName, _buildinPackageVersion);
+					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
+					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string url = PathHelper.ConvertToWWWPath(filePath);
+					_downloader2 = new UnityWebFileRequester();
+					_downloader2.SendRequest(url, savePath);
+				}
+
+				if (_downloader2.IsDone() == false)
+					return;
+
+				if (_downloader2.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader2.GetError();
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+
+				_downloader2.Dispose();
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/UnpackBuildinManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3a7685e67b0e948439ffba34513b78c0
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/VerifyPackageOperation.cs

@@ -0,0 +1,294 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading;
+
+namespace YooAsset
+{
+	internal abstract class VerifyPackageOperation : AsyncOperationBase
+	{
+		public List<VerifyInfo> VerifySuccessList { protected set; get; }
+		public List<VerifyInfo> VerifyFailList { protected set; get; }
+
+		public static VerifyPackageOperation CreateOperation(PatchManifest manifest, IPlayModeServices playModeServices)
+		{
+#if UNITY_WEBGL
+			VerifyPackageOperation operation = new VerifyPackageWithoutThreadOperation(manifest, playModeServices);
+#else
+			VerifyPackageOperation operation = new VerifyPackageWithThreadOperation(manifest, playModeServices);
+#endif
+			return operation;
+		}
+	}
+	
+	/// <summary>
+	/// 本地缓存文件验证（线程版）
+	/// </summary>
+	internal class VerifyPackageWithThreadOperation : VerifyPackageOperation
+	{
+		private enum ESteps
+		{
+			None,
+			InitVerify,
+			PrepareVerify,
+			UpdateVerify,
+			Done,
+		}
+
+		private readonly PatchManifest _manifest;
+		private readonly IPlayModeServices _playModeServices;
+		private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
+		private List<VerifyInfo> _waitingList;
+		private List<VerifyInfo> _verifyingList;
+		private int _verifyMaxNum;
+		private int _verifyTotalCount;
+		private float _verifyStartTime;
+		private ESteps _steps = ESteps.None;
+
+		public VerifyPackageWithThreadOperation(PatchManifest manifest, IPlayModeServices playModeServices)
+		{
+			_manifest = manifest;
+			_playModeServices = playModeServices;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.InitVerify;
+			_verifyStartTime = UnityEngine.Time.realtimeSinceStartup;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.InitVerify)
+			{
+				int bundleCount = _manifest.BundleList.Count;
+				VerifySuccessList = new List<VerifyInfo>(bundleCount);
+				VerifyFailList = new List<VerifyInfo>(bundleCount);
+
+				// 设置同时验证的最大数
+				ThreadPool.GetMaxThreads(out int workerThreads, out int ioThreads);
+				YooLogger.Log($"Work threads : {workerThreads}, IO threads : {ioThreads}");
+				_verifyMaxNum = Math.Min(workerThreads, ioThreads);
+				_verifyTotalCount = bundleCount;
+				if (_verifyMaxNum < 1)
+					_verifyMaxNum = 1;
+
+				_waitingList = new List<VerifyInfo>(bundleCount);
+				_verifyingList = new List<VerifyInfo>(_verifyMaxNum);
+				_steps = ESteps.PrepareVerify;
+			}
+
+			if (_steps == ESteps.PrepareVerify)
+			{
+				foreach (var patchBundle in _manifest.BundleList)
+				{
+					if (CacheSystem.IsCached(patchBundle))
+						continue;
+
+					bool isBuildinFile = _playModeServices.IsBuildinPatchBundle(patchBundle);
+					VerifyInfo verifyInfo = new VerifyInfo(isBuildinFile, patchBundle);
+					_waitingList.Add(verifyInfo);
+				}
+				_steps = ESteps.UpdateVerify;
+			}
+
+			if (_steps == ESteps.UpdateVerify)
+			{
+				_syncContext.Update();
+
+				Progress = GetVerifierProgress();
+				if (_waitingList.Count == 0 && _verifyingList.Count == 0)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+					float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyStartTime;
+					YooLogger.Log($"Verify elapsed time {costTime:f1} seconds");
+				}
+
+				for (int i = _waitingList.Count - 1; i >= 0; i--)
+				{
+					if (OperationSystem.IsBusy)
+						break;
+
+					if (_verifyingList.Count >= _verifyMaxNum)
+						break;
+
+					var verifyIno = _waitingList[i];
+					if (VerifyFileWithThread(verifyIno))
+					{
+						_waitingList.RemoveAt(i);
+						_verifyingList.Add(verifyIno);
+					}
+					else
+					{
+						YooLogger.Warning("The thread pool is failed queued.");
+						break;
+					}
+				}
+			}
+		}
+
+		private float GetVerifierProgress()
+		{
+			if (_verifyTotalCount == 0)
+				return 1f;
+			return (float)(VerifySuccessList.Count + VerifyFailList.Count) / _verifyTotalCount;
+		}
+		private bool VerifyFileWithThread(VerifyInfo verifyInfo)
+		{
+			return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), verifyInfo);
+		}
+		private void VerifyInThread(object infoObj)
+		{
+			VerifyInfo verifyInfo = (VerifyInfo)infoObj;
+			verifyInfo.Result = CacheSystem.VerifyBundle(verifyInfo.VerifyBundle, CacheSystem.InitVerifyLevel);
+			_syncContext.Post(VerifyCallback, verifyInfo);
+		}
+		private void VerifyCallback(object obj)
+		{
+			VerifyInfo verifyIno = (VerifyInfo)obj;
+			if (verifyIno.Result == EVerifyResult.Succeed)
+			{
+				VerifySuccessList.Add(verifyIno);
+				CacheSystem.CacheBundle(verifyIno.VerifyBundle);
+			}
+			else
+			{
+				VerifyFailList.Add(verifyIno);
+
+				// 删除验证失败的缓存文件
+				if (File.Exists(verifyIno.VerifyBundle.CachedFilePath))
+				{
+					YooLogger.Warning($"Delete verify failed bundle file : {verifyIno.VerifyBundle.CachedFilePath}");
+					File.Delete(verifyIno.VerifyBundle.CachedFilePath);
+				}
+			}
+			_verifyingList.Remove(verifyIno);
+		}
+	}
+
+	/// <summary>
+	/// 本地缓存文件验证（非线程版）
+	/// </summary>
+	internal class VerifyPackageWithoutThreadOperation : VerifyPackageOperation
+	{
+		private enum ESteps
+		{
+			None,
+			InitVerify,
+			PrepareVerify,
+			UpdateVerify,
+			Done,
+		}
+
+		private readonly PatchManifest _manifest;
+		private readonly IPlayModeServices _playModeServices;
+		private List<VerifyInfo> _waitingList;
+		private List<VerifyInfo> _verifyingList;
+		private int _verifyMaxNum;
+		private int _verifyTotalCount;
+		private float _verifyStartTime;
+		private ESteps _steps = ESteps.None;
+
+		public VerifyPackageWithoutThreadOperation(PatchManifest manifest, IPlayModeServices playModeServices)
+		{
+			_manifest = manifest;
+			_playModeServices = playModeServices;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.InitVerify;
+			_verifyStartTime = UnityEngine.Time.realtimeSinceStartup;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.InitVerify)
+			{
+				int bundleCount = _manifest.BundleList.Count;
+				VerifySuccessList = new List<VerifyInfo>(bundleCount);
+				VerifyFailList = new List<VerifyInfo>(bundleCount);
+
+				// 设置同时验证的最大数
+				_verifyMaxNum = bundleCount;
+				_verifyTotalCount = _waitingList.Count;
+
+				_waitingList = new List<VerifyInfo>(bundleCount);
+				_verifyingList = new List<VerifyInfo>(_verifyMaxNum);
+				_steps = ESteps.PrepareVerify;
+			}
+
+			if (_steps == ESteps.PrepareVerify)
+			{
+				foreach (var patchBundle in _manifest.BundleList)
+				{
+					if (CacheSystem.IsCached(patchBundle))
+						continue;
+
+					bool isBuildinFile = _playModeServices.IsBuildinPatchBundle(patchBundle);
+					VerifyInfo verifyInfo = new VerifyInfo(isBuildinFile, patchBundle);
+					_waitingList.Add(verifyInfo);
+				}
+				_steps = ESteps.UpdateVerify;
+			}
+
+			if (_steps == ESteps.UpdateVerify)
+			{
+				Progress = GetVerifierProgress();
+				if (_waitingList.Count == 0 && _verifyingList.Count == 0)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+					float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyStartTime;
+					YooLogger.Log($"Verify elapsed time {costTime:f1} seconds");
+				}
+
+				for (int i = _waitingList.Count - 1; i >= 0; i--)
+				{
+					if (OperationSystem.IsBusy)
+						break;
+
+					if (_verifyingList.Count >= _verifyMaxNum)
+						break;
+
+					var verifyIno = _waitingList[i];
+					VerifyFileWithoutThread(verifyIno);
+					_waitingList.RemoveAt(i);
+					_verifyingList.Add(verifyIno);
+				}
+
+				_verifyingList.Clear();
+			}
+		}
+
+		private float GetVerifierProgress()
+		{
+			if (_verifyTotalCount == 0)
+				return 1f;
+			return (float)(VerifySuccessList.Count + VerifyFailList.Count) / _verifyTotalCount;
+		}
+		private void VerifyFileWithoutThread(VerifyInfo verifyIno)
+		{
+			var verifyResult = CacheSystem.VerifyAndCacheLocalBundleFile(verifyIno.VerifyBundle, CacheSystem.InitVerifyLevel);
+			if (verifyResult == EVerifyResult.Succeed)
+			{
+				VerifySuccessList.Add(verifyIno);
+			}
+			else
+			{
+				VerifyFailList.Add(verifyIno);
+
+				// 删除验证失败的缓存文件
+				if (File.Exists(verifyIno.VerifyBundle.CachedFilePath))
+				{
+					YooLogger.Warning($"Delete verify failed bundle file : {verifyIno.VerifyBundle.CachedFilePath}");
+					File.Delete(verifyIno.VerifyBundle.CachedFilePath);
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/VerifyPackageOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 868188d19436b674b8c403d2d90afeaf
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/PreDownloadPackageOperation.cs

@@ -0,0 +1,261 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+	public abstract class PreDownloadPackageOperation : AsyncOperationBase
+	{
+		/// <summary>
+		/// 创建补丁下载器，用于下载更新指定资源版本所有的资源包文件
+		/// </summary>
+		/// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
+		/// <param name="failedTryAgain">下载失败的重试次数</param>
+		/// <param name="timeout">超时时间</param>
+		public virtual PatchDownloaderOperation CreatePatchDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+
+		/// <summary>
+		/// 创建补丁下载器，用于下载更新资源标签指定的资源包文件
+		/// </summary>
+		/// <param name="tag">资源标签</param>
+		/// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
+		/// <param name="failedTryAgain">下载失败的重试次数</param>
+		/// <param name="timeout">超时时间</param>
+		public virtual PatchDownloaderOperation CreatePatchDownloader(string tag, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+
+		/// <summary>
+		/// 创建补丁下载器，用于下载更新资源标签指定的资源包文件
+		/// </summary>
+		/// <param name="tags">资源标签列表</param>
+		/// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
+		/// <param name="failedTryAgain">下载失败的重试次数</param>
+		/// <param name="timeout">超时时间</param>
+		public virtual PatchDownloaderOperation CreatePatchDownloader(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+
+		/// <summary>
+		/// 创建补丁下载器，用于下载更新指定的资源列表依赖的资源包文件
+		/// </summary>
+		/// <param name="locations">资源定位列表</param>
+		/// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
+		/// <param name="failedTryAgain">下载失败的重试次数</param>
+		/// <param name="timeout">超时时间</param>
+		public virtual PatchDownloaderOperation CreateBundleDownloader(string[] locations, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+	}
+
+	public class EditorPlayModePreDownloadPackageOperation : PreDownloadPackageOperation
+	{
+		internal override void Start()
+		{
+			Status = EOperationStatus.Succeed;
+		}
+		internal override void Update()
+		{
+		}
+	}
+	public class OfflinePlayModePreDownloadPackageOperation : PreDownloadPackageOperation
+	{
+		internal override void Start()
+		{
+			Status = EOperationStatus.Succeed;
+		}
+		internal override void Update()
+		{
+		}
+	}
+	public class HostPlayModePreDownloadPackageOperation : PreDownloadPackageOperation
+	{
+		private enum ESteps
+		{
+			None,
+			CheckActiveManifest,
+			TryLoadCacheManifest,
+			DownloadManifest,
+			LoadCacheManifest,
+			CheckDeserializeManifest,
+			Done,
+		}
+
+		private readonly HostPlayModeImpl _impl;
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private readonly int _timeout;
+		private LoadCacheManifestOperation _tryLoadCacheManifestOp;
+		private LoadCacheManifestOperation _loadCacheManifestOp;
+		private DownloadManifestOperation _downloadManifestOp;
+		private PatchManifest _manifest;
+		private ESteps _steps = ESteps.None;
+
+
+		internal HostPlayModePreDownloadPackageOperation(HostPlayModeImpl impl, string packageName, string packageVersion, int timeout)
+		{
+			_impl = impl;
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.CheckActiveManifest;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.CheckActiveManifest)
+			{
+				// 检测当前激活的清单对象
+				if (_impl.ActiveManifest != null)
+				{
+					if (_impl.ActiveManifest.PackageVersion == _packageVersion)
+					{
+						_manifest = _impl.ActiveManifest;
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Succeed;
+						return;
+					}
+				}
+				_steps = ESteps.TryLoadCacheManifest;
+			}
+
+			if (_steps == ESteps.TryLoadCacheManifest)
+			{
+				if (_tryLoadCacheManifestOp == null)
+				{
+					_tryLoadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _packageVersion);
+					OperationSystem.StartOperation(_tryLoadCacheManifestOp);
+				}
+
+				if (_tryLoadCacheManifestOp.IsDone == false)
+					return;
+
+				if (_tryLoadCacheManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_manifest = _tryLoadCacheManifestOp.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.DownloadManifest;
+				}
+			}
+
+			if (_steps == ESteps.DownloadManifest)
+			{
+				if (_downloadManifestOp == null)
+				{
+					_downloadManifestOp = new DownloadManifestOperation(_impl, _packageName, _packageVersion, _timeout);
+					OperationSystem.StartOperation(_downloadManifestOp);
+				}
+
+				if (_downloadManifestOp.IsDone == false)
+					return;
+
+				if (_downloadManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.LoadCacheManifest;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloadManifestOp.Error;
+				}
+			}
+
+			if (_steps == ESteps.LoadCacheManifest)
+			{
+				if (_loadCacheManifestOp == null)
+				{
+					_loadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _packageVersion);
+					OperationSystem.StartOperation(_loadCacheManifestOp);
+				}
+
+				if (_loadCacheManifestOp.IsDone == false)
+					return;
+
+				if (_loadCacheManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_manifest = _loadCacheManifestOp.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _loadCacheManifestOp.Error;
+				}
+			}
+		}
+
+		public override PatchDownloaderOperation CreatePatchDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+		{
+			if (Status != EOperationStatus.Succeed)
+			{
+				YooLogger.Warning($"{nameof(PreDownloadPackageOperation)} status is not succeed !");
+				return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+			}
+
+			List<BundleInfo> downloadList = _impl.GetDownloadListByAll(_manifest);
+			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
+			return operation;
+		}
+		public override PatchDownloaderOperation CreatePatchDownloader(string tag, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+		{
+			if (Status != EOperationStatus.Succeed)
+			{
+				YooLogger.Warning($"{nameof(PreDownloadPackageOperation)} status is not succeed !");
+				return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+			}
+
+			List<BundleInfo> downloadList = _impl.GetDownloadListByTags(_manifest, new string[] { tag });
+			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
+			return operation;
+		}
+		public override PatchDownloaderOperation CreatePatchDownloader(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+		{
+			if (Status != EOperationStatus.Succeed)
+			{
+				YooLogger.Warning($"{nameof(PreDownloadPackageOperation)} status is not succeed !");
+				return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+			}
+
+			List<BundleInfo> downloadList = _impl.GetDownloadListByTags(_manifest, tags);
+			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
+			return operation;
+		}
+		public override PatchDownloaderOperation CreateBundleDownloader(string[] locations, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+		{
+			if (Status != EOperationStatus.Succeed)
+			{
+				YooLogger.Warning($"{nameof(PreDownloadPackageOperation)} status is not succeed !");
+				return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+			}
+
+			List<AssetInfo> assetInfos = new List<AssetInfo>(locations.Length);
+			foreach (var location in locations)
+			{
+				var assetInfo = _manifest.ConvertLocationToAssetInfo(location, null);
+				assetInfos.Add(assetInfo);
+			}
+
+			List<BundleInfo> downloadList = _impl.GetDownloadListByPaths(_manifest, assetInfos.ToArray());
+			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
+			return operation;
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/PreDownloadPackageOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 51f7a5e97aff1a646972c4ea11612947
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/UpdatePackageManifestOperation.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.IO;
 
 namespace YooAsset
 {
@@ -10,10 +9,6 @@ namespace YooAsset
 	/// </summary>
 	public abstract class UpdatePackageManifestOperation : AsyncOperationBase
 	{
-		/// <summary>
-		/// 是否发现了新的补丁清单
-		/// </summary>
-		public bool FoundNewManifest { protected set; get; } = false;
 	}
 
 	/// <summary>
@@ -21,6 +16,9 @@ namespace YooAsset
 	/// </summary>
 	internal sealed class EditorPlayModeUpdatePackageManifestOperation : UpdatePackageManifestOperation
 	{
+		public EditorPlayModeUpdatePackageManifestOperation()
+		{
+		}
 		internal override void Start()
 		{
 			Status = EOperationStatus.Succeed;
@@ -35,6 +33,9 @@ namespace YooAsset
 	/// </summary>
 	internal sealed class OfflinePlayModeUpdatePackageManifestOperation : UpdatePackageManifestOperation
 	{
+		public OfflinePlayModeUpdatePackageManifestOperation()
+		{
+		}
 		internal override void Start()
 		{
 			Status = EOperationStatus.Succeed;
@@ -46,36 +47,32 @@ namespace YooAsset
 
 	/// <summary>
 	/// 联机模式的更新清单操作
-	/// 注意：优先比对沙盒清单哈希值，如果有变化就更新远端清单文件，并保存到本地。
+	/// 注意：优先加载沙盒里缓存的清单文件，如果有变化就更新远端清单文件，并保存到本地。
 	/// </summary>
 	internal sealed class HostPlayModeUpdatePackageManifestOperation : UpdatePackageManifestOperation
 	{
 		private enum ESteps
 		{
 			None,
-			TryLoadCacheHash,
-			LoadWebHash,
-			CheckWebHash,
+			CheckActiveManifest,
+			TryLoadCacheManifest,
+			DownloadManifest,
 			LoadCacheManifest,
-			LoadWebManifest,
-			CheckWebManifest,
-			InitVerifyingCache,
-			UpdateVerifyingCache,
+			CheckDeserializeManifest,
+			VerifyPackage,
 			Done,
 		}
 
-		private static int RequestCount = 0;
 		private readonly HostPlayModeImpl _impl;
 		private readonly string _packageName;
 		private readonly string _packageVersion;
-		private readonly CacheVerifier _cacheVerifier;
 		private readonly int _timeout;
-		private UnityWebDataRequester _downloader1;
-		private UnityWebDataRequester _downloader2;
-
-		private string _cacheManifestHash;
+		private LoadCacheManifestOperation _tryLoadCacheManifestOp;
+		private LoadCacheManifestOperation _loadCacheManifestOp;
+		private DownloadManifestOperation _downloadManifestOp;
+		private VerifyPackageOperation _verifyOperation;
 		private ESteps _steps = ESteps.None;
-		private float _verifyTime;
+
 
 		internal HostPlayModeUpdatePackageManifestOperation(HostPlayModeImpl impl, string packageName, string packageVersion, int timeout)
 		{
@@ -83,164 +80,114 @@ namespace YooAsset
 			_packageName = packageName;
 			_packageVersion = packageVersion;
 			_timeout = timeout;
-
-#if UNITY_WEBGL
-			_cacheVerifier = new CacheVerifierWithoutThread();
-#else
-			_cacheVerifier = new CacheVerifierWithThread();
-#endif
 		}
 		internal override void Start()
 		{
-			RequestCount++;
-			_steps = ESteps.TryLoadCacheHash;
+			_steps = ESteps.CheckActiveManifest;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.TryLoadCacheHash)
+			if (_steps == ESteps.CheckActiveManifest)
 			{
-				string filePath = PersistentHelper.GetCacheManifestFilePath(_packageName);
-				if (File.Exists(filePath))
+				// 检测当前激活的清单对象	
+				if (_impl.ActiveManifest != null && _impl.ActiveManifest.PackageVersion == _packageVersion)
 				{
-					_cacheManifestHash = HashUtility.FileMD5(filePath);
-					_steps = ESteps.LoadWebHash;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
 				}
 				else
 				{
-					_steps = ESteps.LoadWebManifest;
+					_steps = ESteps.TryLoadCacheManifest;
 				}
 			}
 
-			if (_steps == ESteps.LoadWebHash)
+			if (_steps == ESteps.TryLoadCacheManifest)
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestHashFileName(_packageName, _packageVersion);
-				string webURL = GetPatchManifestRequestURL(fileName);
-				YooLogger.Log($"Beginning to request patch manifest hash : {webURL}");
-				_downloader1 = new UnityWebDataRequester();
-				_downloader1.SendRequest(webURL, _timeout);
-				_steps = ESteps.CheckWebHash;
-			}
+				if (_tryLoadCacheManifestOp == null)
+				{
+					_tryLoadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _packageVersion);
+					OperationSystem.StartOperation(_tryLoadCacheManifestOp);
+				}
 
-			if (_steps == ESteps.CheckWebHash)
-			{
-				if (_downloader1.IsDone() == false)
+				if (_tryLoadCacheManifestOp.IsDone == false)
 					return;
 
-				if (_downloader1.HasError())
+				if (_tryLoadCacheManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_impl.ActiveManifest = _tryLoadCacheManifestOp.Manifest;
+					_steps = ESteps.VerifyPackage;
+				}
+				else
+				{
+					_steps = ESteps.DownloadManifest;
+				}
+			}
+
+			if (_steps == ESteps.DownloadManifest)
+			{
+				if (_downloadManifestOp == null)
+				{
+					_downloadManifestOp = new DownloadManifestOperation(_impl, _packageName, _packageVersion, _timeout);
+					OperationSystem.StartOperation(_downloadManifestOp);
+				}
+
+				if (_downloadManifestOp.IsDone == false)
+					return;
+
+				if (_downloadManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.LoadCacheManifest;
+				}
+				else
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _downloader1.GetError();
+					Error = _downloadManifestOp.Error;
 				}
-				else
-				{
-					string webManifestHash = _downloader1.GetText();
-					if (_cacheManifestHash == webManifestHash)
-					{
-						YooLogger.Log($"Not found new package : {_packageName}");
-						_steps = ESteps.LoadCacheManifest;
-					}
-					else
-					{
-						YooLogger.Log($"Package {_packageName} is change : {_cacheManifestHash} -> {webManifestHash}");
-						_steps = ESteps.LoadWebManifest;
-					}
-				}
-				_downloader1.Dispose();
 			}
 
 			if (_steps == ESteps.LoadCacheManifest)
 			{
-				try
+				if (_loadCacheManifestOp == null)
 				{
-					var manifest = PersistentHelper.LoadCacheManifestFile(_packageName);
-					_impl.SetLocalPatchManifest(manifest);
-					_steps = ESteps.InitVerifyingCache;
+					_loadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _packageVersion);
+					OperationSystem.StartOperation(_loadCacheManifestOp);
 				}
-				catch (System.Exception e)
-				{
-					// 注意：如果加载沙盒内的清单报错，为了避免流程被卡住，我们主动把损坏的文件删除。
-					YooLogger.Warning($"Failed to load cache manifest file : {e.Message}");
-					PersistentHelper.DeleteCacheManifestFile(_packageName);
-					_steps = ESteps.LoadWebManifest;
-				}
-			}
 
-			if (_steps == ESteps.LoadWebManifest)
-			{
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(_packageName, _packageVersion);
-				string webURL = GetPatchManifestRequestURL(fileName);
-				YooLogger.Log($"Beginning to request patch manifest : {webURL}");
-				_downloader2 = new UnityWebDataRequester();
-				_downloader2.SendRequest(webURL, _timeout);
-				_steps = ESteps.CheckWebManifest;
-			}
-
-			if (_steps == ESteps.CheckWebManifest)
-			{
-				if (_downloader2.IsDone() == false)
+				if (_loadCacheManifestOp.IsDone == false)
 					return;
 
-				if (_downloader2.HasError())
+				if (_loadCacheManifestOp.Status == EOperationStatus.Succeed)
 				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = _downloader2.GetError();
+					_impl.ActiveManifest = _loadCacheManifestOp.Manifest;
+					_steps = ESteps.VerifyPackage;
 				}
 				else
 				{
-					try
-					{
-						byte[] bytesData = _downloader2.GetData();
-						var manifest = PersistentHelper.SaveCacheManifestFile(_packageName, bytesData);
-						_impl.SetLocalPatchManifest(manifest);
-						FoundNewManifest = true;
-						_steps = ESteps.InitVerifyingCache;
-					}
-					catch (Exception e)
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Failed;
-						Error = e.Message;
-					}
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _loadCacheManifestOp.Error;
 				}
-				_downloader2.Dispose();
 			}
 
-			if (_steps == ESteps.InitVerifyingCache)
+			if (_steps == ESteps.VerifyPackage)
 			{
-				var verifyInfos = _impl.GetVerifyInfoList(false);
-				_cacheVerifier.InitVerifier(verifyInfos);
-				_verifyTime = UnityEngine.Time.realtimeSinceStartup;
-				_steps = ESteps.UpdateVerifyingCache;
-			}
+				if (_verifyOperation == null)
+				{
+					_verifyOperation = VerifyPackageOperation.CreateOperation(_impl.ActiveManifest, _impl);
+					OperationSystem.StartOperation(_verifyOperation);
+				}
 
-			if (_steps == ESteps.UpdateVerifyingCache)
-			{
-				Progress = _cacheVerifier.GetVerifierProgress();
-				if (_cacheVerifier.UpdateVerifier())
+				Progress = _verifyOperation.Progress;
+				if (_verifyOperation.IsDone)
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Succeed;
-					float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyTime;
-					YooLogger.Log($"Verify result : Success {_cacheVerifier.VerifySuccessList.Count}, Fail {_cacheVerifier.VerifyFailList.Count}, Elapsed time {costTime} seconds");
 				}
 			}
 		}
-
-		/// <summary>
-		/// 获取补丁清单请求地址
-		/// </summary>
-		private string GetPatchManifestRequestURL(string fileName)
-		{
-			// 轮流返回请求地址
-			if (RequestCount % 2 == 0)
-				return _impl.GetPatchDownloadFallbackURL(fileName);
-			else
-				return _impl.GetPatchDownloadMainURL(fileName);
-		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/Operations/UpdatePackageVersionOperation.cs

@@ -51,92 +51,57 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
-			LoadStaticVersion,
-			CheckStaticVersion,
+			QueryRemotePackageVersion,
 			Done,
 		}
 
-		private static int RequestCount = 0;
 		private readonly HostPlayModeImpl _impl;
 		private readonly string _packageName;
-		private readonly int _timeout;
 		private readonly bool _appendTimeTicks;
+		private readonly int _timeout;
+		private QueryRemotePackageVersionOperation _queryRemotePackageVersionOp;
 		private ESteps _steps = ESteps.None;
-		private UnityWebDataRequester _downloader;
 
-		internal HostPlayModeUpdatePackageVersionOperation(HostPlayModeImpl impl, string packageName, int timeout, bool appendTimeTicks)
+		internal HostPlayModeUpdatePackageVersionOperation(HostPlayModeImpl impl, string packageName, bool appendTimeTicks, int timeout)
 		{
 			_impl = impl;
 			_packageName = packageName;
-			_timeout = timeout;
 			_appendTimeTicks = appendTimeTicks;
+			_timeout = timeout;
 		}
 		internal override void Start()
 		{
-			RequestCount++;
-			_steps = ESteps.LoadStaticVersion;
+			_steps = ESteps.QueryRemotePackageVersion;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.LoadStaticVersion)
+			if (_steps == ESteps.QueryRemotePackageVersion)
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestVersionFileName(_packageName);
-				string webURL = GetStaticVersionRequestURL(fileName);
-				YooLogger.Log($"Beginning to request static version : {webURL}");
-				_downloader = new UnityWebDataRequester();
-				_downloader.SendRequest(webURL, _timeout);
-				_steps = ESteps.CheckStaticVersion;
-			}
+				if (_queryRemotePackageVersionOp == null)
+				{
+					_queryRemotePackageVersionOp = new QueryRemotePackageVersionOperation(_impl, _packageName, _appendTimeTicks, _timeout);
+					OperationSystem.StartOperation(_queryRemotePackageVersionOp);
+				}
 
-			if (_steps == ESteps.CheckStaticVersion)
-			{
-				Progress = _downloader.Progress();
-				if (_downloader.IsDone() == false)
+				if (_queryRemotePackageVersionOp.IsDone == false)
 					return;
 
-				if (_downloader.HasError())
+				if (_queryRemotePackageVersionOp.Status == EOperationStatus.Succeed)
 				{
+					PackageVersion = _queryRemotePackageVersionOp.PackageVersion;
 					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = _downloader.GetError();
+					Status = EOperationStatus.Succeed;
 				}
 				else
 				{
-					PackageVersion = _downloader.GetText();
-					if (string.IsNullOrEmpty(PackageVersion))
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Failed;
-						Error = $"Static package version is empty : {_downloader.URL}";
-					}
-					else
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Succeed;
-					}
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _queryRemotePackageVersionOp.Error;
 				}
-				_downloader.Dispose();
 			}
 		}
-
-		private string GetStaticVersionRequestURL(string fileName)
-		{
-			string url;
-
-			// 轮流返回请求地址
-			if (RequestCount % 2 == 0)
-				url = _impl.GetPatchDownloadFallbackURL(fileName);
-			else
-				url = _impl.GetPatchDownloadMainURL(fileName);
-
-			// 在URL末尾添加时间戳
-			if (_appendTimeTicks)
-				return $"{url}?{System.DateTime.UtcNow.Ticks}";
-			else
-				return url;
-		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs

@@ -120,7 +120,7 @@ namespace YooAsset
 		{
 			_packageName = packageName;
 			_cacheKey = $"{packageName}-{FileHash}";
-			_fileName = PatchManifest.CreateBundleFileName(nameStype, BundleName, FileHash);
+			_fileName = PatchManifestTools.CreateBundleFileName(nameStype, BundleName, FileHash, IsRawFile);
 		}
 
 		/// <summary>

Assets/YooAsset/Runtime/PatchSystem/PatchManifest.cs

@@ -1,8 +1,8 @@
 using System;
 using System.IO;
+using System.Diagnostics;
 using System.Collections;
 using System.Collections.Generic;
-using UnityEngine;
 
 namespace YooAsset
 {
@@ -52,19 +52,19 @@ namespace YooAsset
 		/// 资源包集合（提供BundleName获取PatchBundle）
 		/// </summary>
 		[NonSerialized]
-		public readonly Dictionary<string, PatchBundle> BundleDic = new Dictionary<string, PatchBundle>();
+		public Dictionary<string, PatchBundle> BundleDic;
 
 		/// <summary>
 		/// 资源映射集合（提供AssetPath获取PatchAsset）
 		/// </summary>
 		[NonSerialized]
-		public readonly Dictionary<string, PatchAsset> AssetDic = new Dictionary<string, PatchAsset>();
+		public Dictionary<string, PatchAsset> AssetDic;
 
 		/// <summary>
 		/// 资源路径映射集合
 		/// </summary>
 		[NonSerialized]
-		public readonly Dictionary<string, string> AssetPathMapping = new Dictionary<string, string>();
+		public Dictionary<string, string> AssetPathMapping;
 
 		// 资源路径映射相关
 		private bool _isInitAssetPathMapping = false;
@@ -85,6 +85,7 @@ namespace YooAsset
 				if (locationToLower)
 					YooLogger.Error("Addressable not support location to lower !");
 
+				AssetPathMapping = new Dictionary<string, string>(AssetList.Count);
 				foreach (var patchAsset in AssetList)
 				{
 					string location = patchAsset.Address;
@@ -97,6 +98,7 @@ namespace YooAsset
 			else
 			{
 				_locationToLower = locationToLower;
+				AssetPathMapping = new Dictionary<string, string>(AssetList.Count * 2);
 				foreach (var patchAsset in AssetList)
 				{
 					string location = patchAsset.AssetPath;
@@ -264,179 +266,50 @@ namespace YooAsset
 			return result.ToArray();
 		}
 
-
 		/// <summary>
-		/// 序列化（JSON文件）
+		/// 资源定位地址转换为资源信息类，失败时内部会发出错误日志。
 		/// </summary>
-		public static void SerializeToJson(string savePath, PatchManifest manifest)
+		/// <returns>如果转换失败会返回一个无效的资源信息类</returns>
+		public AssetInfo ConvertLocationToAssetInfo(string location, System.Type assetType)
 		{
-			string json = JsonUtility.ToJson(manifest, true);
-			FileUtility.CreateFile(savePath, json);
-		}
+			DebugCheckLocation(location);
 
-		/// <summary>
-		/// 序列化（二进制文件）
-		/// </summary>
-		public static void SerializeToBinary(string savePath, PatchManifest patchManifest)
-		{
-			using (FileStream fs = new FileStream(savePath, FileMode.Create))
+			string assetPath = MappingToAssetPath(location);
+			if (TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
 			{
-				// 创建缓存器
-				BufferWriter buffer = new BufferWriter(YooAssetSettings.PatchManifestFileMaxSize);
-
-				// 写入文件标记
-				buffer.WriteUInt32(YooAssetSettings.PatchManifestFileSign);
-
-				// 写入文件版本
-				buffer.WriteUTF8(patchManifest.FileVersion);
-
-				// 写入文件头信息
-				buffer.WriteBool(patchManifest.EnableAddressable);
-				buffer.WriteInt32(patchManifest.OutputNameStyle);
-				buffer.WriteUTF8(patchManifest.PackageName);
-				buffer.WriteUTF8(patchManifest.PackageVersion);
-
-				// 写入资源列表
-				buffer.WriteInt32(patchManifest.AssetList.Count);
-				for (int i = 0; i < patchManifest.AssetList.Count; i++)
-				{
-					var patchAsset = patchManifest.AssetList[i];
-					buffer.WriteUTF8(patchAsset.Address);
-					buffer.WriteUTF8(patchAsset.AssetPath);
-					buffer.WriteUTF8Array(patchAsset.AssetTags);
-					buffer.WriteInt32(patchAsset.BundleID);
-					buffer.WriteInt32Array(patchAsset.DependIDs);
-				}
-
-				// 写入资源包列表
-				buffer.WriteInt32(patchManifest.BundleList.Count);
-				for (int i = 0; i < patchManifest.BundleList.Count; i++)
-				{
-					var patchBundle = patchManifest.BundleList[i];
-					buffer.WriteUTF8(patchBundle.BundleName);
-					buffer.WriteUTF8(patchBundle.FileHash);
-					buffer.WriteUTF8(patchBundle.FileCRC);
-					buffer.WriteInt64(patchBundle.FileSize);
-					buffer.WriteBool(patchBundle.IsRawFile);
-					buffer.WriteByte(patchBundle.LoadMethod);
-					buffer.WriteUTF8Array(patchBundle.Tags);
-				}
-
-				// 写入文件流
-				buffer.WriteToStream(fs);
-				fs.Flush();
-			}
-		}
-
-		/// <summary>
-		/// 反序列化（二进制文件）
-		/// </summary>
-		public static PatchManifest DeserializeFromBinary(byte[] binaryData)
-		{
-			// 创建缓存器
-			BufferReader buffer = new BufferReader(binaryData);
-
-			// 读取文件标记
-			uint fileSign = buffer.ReadUInt32();
-			if (fileSign != YooAssetSettings.PatchManifestFileSign)
-				throw new Exception("Invalid manifest file !");
-
-			PatchManifest manifest = new PatchManifest();
-			{
-				// 读取文件版本
-				manifest.FileVersion = buffer.ReadUTF8();
-				if (manifest.FileVersion != YooAssetSettings.PatchManifestFileVersion)
-					throw new Exception($"The manifest file version are not compatible : {manifest.FileVersion} != {YooAssetSettings.PatchManifestFileVersion}");
-
-				// 读取文件头信息
-				manifest.EnableAddressable = buffer.ReadBool();
-				manifest.OutputNameStyle = buffer.ReadInt32();
-				manifest.PackageName = buffer.ReadUTF8();
-				manifest.PackageVersion = buffer.ReadUTF8();
-
-				// 读取资源列表
-				int patchAssetCount = buffer.ReadInt32();
-				manifest.AssetList = new List<PatchAsset>(patchAssetCount);
-				for (int i = 0; i < patchAssetCount; i++)
-				{
-					var patchAsset = new PatchAsset();
-					patchAsset.Address = buffer.ReadUTF8();
-					patchAsset.AssetPath = buffer.ReadUTF8();
-					patchAsset.AssetTags = buffer.ReadUTF8Array();
-					patchAsset.BundleID = buffer.ReadInt32();
-					patchAsset.DependIDs = buffer.ReadInt32Array();
-					manifest.AssetList.Add(patchAsset);
-				}
-
-				// 读取资源包列表
-				int patchBundleCount = buffer.ReadInt32();
-				manifest.BundleList = new List<PatchBundle>(patchBundleCount);
-				for (int i = 0; i < patchBundleCount; i++)
-				{
-					var patchBundle = new PatchBundle();
-					patchBundle.BundleName = buffer.ReadUTF8();
-					patchBundle.FileHash = buffer.ReadUTF8();
-					patchBundle.FileCRC = buffer.ReadUTF8();
-					patchBundle.FileSize = buffer.ReadInt64();
-					patchBundle.IsRawFile = buffer.ReadBool();
-					patchBundle.LoadMethod = buffer.ReadByte();
-					patchBundle.Tags = buffer.ReadUTF8Array();
-					manifest.BundleList.Add(patchBundle);
-				}
-			}
-
-			// BundleList
-			foreach (var patchBundle in manifest.BundleList)
-			{
-				patchBundle.ParseBundle(manifest.PackageName, manifest.OutputNameStyle);
-				manifest.BundleDic.Add(patchBundle.BundleName, patchBundle);
-			}
-
-			// AssetList
-			foreach (var patchAsset in manifest.AssetList)
-			{
-				// 注意：我们不允许原始路径存在重名
-				string assetPath = patchAsset.AssetPath;
-				if (manifest.AssetDic.ContainsKey(assetPath))
-					throw new Exception($"AssetPath have existed : {assetPath}");
-				else
-					manifest.AssetDic.Add(assetPath, patchAsset);
-			}
-
-			return manifest;
-		}
-
-
-		/// <summary>
-		/// 生成Bundle文件的正式名称
-		/// </summary>
-		public static string CreateBundleFileName(int nameStype, string bundleName, string fileHash)
-		{
-			if (nameStype == 1)
-			{
-				return fileHash;
-			}
-			else if (nameStype == 2)
-			{
-				string tempFileExtension = System.IO.Path.GetExtension(bundleName);
-				return $"{fileHash}{tempFileExtension}";
-			}
-			else if (nameStype == 3)
-			{
-				string tempFileExtension = System.IO.Path.GetExtension(bundleName);
-				string tempBundleName = bundleName.Replace('/', '_').Replace(tempFileExtension, "");
-				return $"{tempBundleName}_{fileHash}";
-			}
-			else if (nameStype == 4)
-			{
-				string tempFileExtension = System.IO.Path.GetExtension(bundleName);
-				string tempBundleName = bundleName.Replace('/', '_').Replace(tempFileExtension, "");
-				return $"{tempBundleName}_{fileHash}{tempFileExtension}";
+				AssetInfo assetInfo = new AssetInfo(patchAsset, assetType);
+				return assetInfo;
 			}
 			else
 			{
-				throw new NotImplementedException();
+				string error;
+				if (string.IsNullOrEmpty(location))
+					error = $"The location is null or empty !";
+				else
+					error = $"The location is invalid : {location}";
+				AssetInfo assetInfo = new AssetInfo(error);
+				return assetInfo;
 			}
 		}
+
+		#region 调试方法
+		[Conditional("DEBUG")]
+		private void DebugCheckLocation(string location)
+		{
+			if (string.IsNullOrEmpty(location) == false)
+			{
+				// 检查路径末尾是否有空格
+				int index = location.LastIndexOf(" ");
+				if (index != -1)
+				{
+					if (location.Length == index + 1)
+						YooLogger.Warning($"Found blank character in location : \"{location}\"");
+				}
+
+				if (location.IndexOfAny(System.IO.Path.GetInvalidPathChars()) >= 0)
+					YooLogger.Warning($"Found illegal character in location : \"{location}\"");
+			}
+		}
+		#endregion
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/PatchManifestTools.cs

@@ -0,0 +1,188 @@
+using System;
+using System.IO;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace YooAsset
+{
+	internal static class PatchManifestTools
+	{
+		/// <summary>
+		/// 序列化（JSON文件）
+		/// </summary>
+		public static void SerializeToJson(string savePath, PatchManifest manifest)
+		{
+			string json = JsonUtility.ToJson(manifest, true);
+			FileUtility.CreateFile(savePath, json);
+		}
+
+		/// <summary>
+		/// 序列化（二进制文件）
+		/// </summary>
+		public static void SerializeToBinary(string savePath, PatchManifest patchManifest)
+		{
+			using (FileStream fs = new FileStream(savePath, FileMode.Create))
+			{
+				// 创建缓存器
+				BufferWriter buffer = new BufferWriter(YooAssetSettings.PatchManifestFileMaxSize);
+
+				// 写入文件标记
+				buffer.WriteUInt32(YooAssetSettings.PatchManifestFileSign);
+
+				// 写入文件版本
+				buffer.WriteUTF8(patchManifest.FileVersion);
+
+				// 写入文件头信息
+				buffer.WriteBool(patchManifest.EnableAddressable);
+				buffer.WriteInt32(patchManifest.OutputNameStyle);
+				buffer.WriteUTF8(patchManifest.PackageName);
+				buffer.WriteUTF8(patchManifest.PackageVersion);
+
+				// 写入资源列表
+				buffer.WriteInt32(patchManifest.AssetList.Count);
+				for (int i = 0; i < patchManifest.AssetList.Count; i++)
+				{
+					var patchAsset = patchManifest.AssetList[i];
+					buffer.WriteUTF8(patchAsset.Address);
+					buffer.WriteUTF8(patchAsset.AssetPath);
+					buffer.WriteUTF8Array(patchAsset.AssetTags);
+					buffer.WriteInt32(patchAsset.BundleID);
+					buffer.WriteInt32Array(patchAsset.DependIDs);
+				}
+
+				// 写入资源包列表
+				buffer.WriteInt32(patchManifest.BundleList.Count);
+				for (int i = 0; i < patchManifest.BundleList.Count; i++)
+				{
+					var patchBundle = patchManifest.BundleList[i];
+					buffer.WriteUTF8(patchBundle.BundleName);
+					buffer.WriteUTF8(patchBundle.FileHash);
+					buffer.WriteUTF8(patchBundle.FileCRC);
+					buffer.WriteInt64(patchBundle.FileSize);
+					buffer.WriteBool(patchBundle.IsRawFile);
+					buffer.WriteByte(patchBundle.LoadMethod);
+					buffer.WriteUTF8Array(patchBundle.Tags);
+				}
+
+				// 写入文件流
+				buffer.WriteToStream(fs);
+				fs.Flush();
+			}
+		}
+
+		/// <summary>
+		/// 反序列化（二进制文件）
+		/// </summary>
+		public static PatchManifest DeserializeFromBinary(byte[] binaryData)
+		{
+			// 创建缓存器
+			BufferReader buffer = new BufferReader(binaryData);
+
+			// 读取文件标记
+			uint fileSign = buffer.ReadUInt32();
+			if (fileSign != YooAssetSettings.PatchManifestFileSign)
+				throw new Exception("Invalid manifest file !");
+
+			// 读取文件版本
+			string fileVersion = buffer.ReadUTF8();
+			if (fileVersion != YooAssetSettings.PatchManifestFileVersion)
+				throw new Exception($"The manifest file version are not compatible : {fileVersion} != {YooAssetSettings.PatchManifestFileVersion}");
+
+			PatchManifest manifest = new PatchManifest();
+			{
+				// 读取文件头信息
+				manifest.FileVersion = fileVersion;
+				manifest.EnableAddressable = buffer.ReadBool();
+				manifest.OutputNameStyle = buffer.ReadInt32();
+				manifest.PackageName = buffer.ReadUTF8();
+				manifest.PackageVersion = buffer.ReadUTF8();
+
+				// 读取资源列表
+				int patchAssetCount = buffer.ReadInt32();
+				manifest.AssetList = new List<PatchAsset>(patchAssetCount);
+				for (int i = 0; i < patchAssetCount; i++)
+				{
+					var patchAsset = new PatchAsset();
+					patchAsset.Address = buffer.ReadUTF8();
+					patchAsset.AssetPath = buffer.ReadUTF8();
+					patchAsset.AssetTags = buffer.ReadUTF8Array();
+					patchAsset.BundleID = buffer.ReadInt32();
+					patchAsset.DependIDs = buffer.ReadInt32Array();
+					manifest.AssetList.Add(patchAsset);
+				}
+
+				// 读取资源包列表
+				int patchBundleCount = buffer.ReadInt32();
+				manifest.BundleList = new List<PatchBundle>(patchBundleCount);
+				for (int i = 0; i < patchBundleCount; i++)
+				{
+					var patchBundle = new PatchBundle();
+					patchBundle.BundleName = buffer.ReadUTF8();
+					patchBundle.FileHash = buffer.ReadUTF8();
+					patchBundle.FileCRC = buffer.ReadUTF8();
+					patchBundle.FileSize = buffer.ReadInt64();
+					patchBundle.IsRawFile = buffer.ReadBool();
+					patchBundle.LoadMethod = buffer.ReadByte();
+					patchBundle.Tags = buffer.ReadUTF8Array();
+					manifest.BundleList.Add(patchBundle);
+				}
+			}
+
+			// BundleDic
+			manifest.BundleDic = new Dictionary<string, PatchBundle>(manifest.BundleList.Count);
+			foreach (var patchBundle in manifest.BundleList)
+			{
+				patchBundle.ParseBundle(manifest.PackageName, manifest.OutputNameStyle);
+				manifest.BundleDic.Add(patchBundle.BundleName, patchBundle);
+			}
+
+			// AssetDic
+			manifest.AssetDic = new Dictionary<string, PatchAsset>(manifest.AssetList.Count);
+			foreach (var patchAsset in manifest.AssetList)
+			{
+				// 注意：我们不允许原始路径存在重名
+				string assetPath = patchAsset.AssetPath;
+				if (manifest.AssetDic.ContainsKey(assetPath))
+					throw new Exception($"AssetPath have existed : {assetPath}");
+				else
+					manifest.AssetDic.Add(assetPath, patchAsset);
+			}
+
+			return manifest;
+		}
+
+		/// <summary>
+		/// 生成Bundle文件的正式名称
+		/// </summary>
+		public static string CreateBundleFileName(int nameStyle, string bundleName, string fileHash, bool isRawFile)
+		{
+			if (nameStyle == 1) //HashName
+			{
+				string fileExtension = isRawFile ? YooAssetSettingsData.Setting.RawFileVariant : YooAssetSettingsData.Setting.AssetBundleFileVariant;
+				return StringUtility.Format("{0}.{1}", fileHash, fileExtension);
+			}
+			else if (nameStyle == 4) //BundleName_HashName
+			{
+				string fileName = bundleName.Remove(bundleName.LastIndexOf('.'));
+				string fileExtension = isRawFile ? YooAssetSettingsData.Setting.RawFileVariant : YooAssetSettingsData.Setting.AssetBundleFileVariant;
+				return StringUtility.Format("{0}_{1}.{2}", fileName, fileHash, fileExtension);
+			}
+			else
+			{
+				throw new NotImplementedException($"Invalid name style : {nameStyle}");
+			}
+		}
+
+		/// <summary>
+		/// 获取解压BundleInfo
+		/// </summary>
+		public static BundleInfo GetUnpackInfo(PatchBundle patchBundle)
+		{
+			// 注意：我们把流加载路径指定为远端下载地址
+			string streamingPath = PathHelper.ConvertToWWWPath(patchBundle.StreamingFilePath);
+			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromStreaming, streamingPath, streamingPath);
+			return bundleInfo;
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/PatchManifestTools.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1014f7c3c05ebab4d8023b27f97a2119
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/PlayMode/EditorSimulateModeImpl.cs

@@ -4,9 +4,9 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-	internal class EditorSimulateModeImpl : IBundleServices
+	internal class EditorSimulateModeImpl : IPlayModeServices, IBundleServices
 	{
-		private PatchManifest _simulatePatchManifest;
+		private PatchManifest _activeManifest;
 		private bool _locationToLower;
 
 		/// <summary>
@@ -20,21 +20,71 @@ namespace YooAsset
 			return operation;
 		}
 
-		/// <summary>
-		/// 获取包裹的版本信息
-		/// </summary>
-		public string GetPackageVersion()
+		#region IPlayModeServices接口
+		public PatchManifest ActiveManifest
 		{
-			if (_simulatePatchManifest == null)
-				return string.Empty;
-			return _simulatePatchManifest.PackageVersion;
+			set
+			{
+				_activeManifest = value;
+				_activeManifest.InitAssetPathMapping(_locationToLower);
+			}
+			get
+			{
+				return _activeManifest;
+			}
+		}
+		public bool IsBuildinPatchBundle(PatchBundle patchBundle)
+		{
+			return true;
 		}
 
-		internal void SetSimulatePatchManifest(PatchManifest patchManifest)
+		UpdatePackageVersionOperation IPlayModeServices.UpdatePackageVersionAsync(bool appendTimeTicks, int timeout)
 		{
-			_simulatePatchManifest = patchManifest;
-			_simulatePatchManifest.InitAssetPathMapping(_locationToLower);
+			var operation = new EditorPlayModeUpdatePackageVersionOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
 		}
+		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, int timeout)
+		{
+			var operation = new EditorPlayModeUpdatePackageManifestOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		PreDownloadPackageOperation IPlayModeServices.PreDownloadPackageAsync(string packageVersion, int timeout)
+		{
+			var operation = new EditorPlayModePreDownloadPackageOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		CheckPackageContentsOperation IPlayModeServices.CheckPackageContentsOperation(string packageVersion)
+		{
+			var operation = new EditorSimulateModeCheckPackageContentsOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+
+		PatchUnpackerOperation IPlayModeServices.CreatePatchUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchUnpackerOperation.CreateEmptyUnpacker(upackingMaxNumber, failedTryAgain, timeout);
+		}
+		PatchUnpackerOperation IPlayModeServices.CreatePatchUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchUnpackerOperation.CreateEmptyUnpacker(upackingMaxNumber, failedTryAgain, timeout);
+		}
+		#endregion
 
 		#region IBundleServices接口
 		BundleInfo IBundleServices.GetBundleInfo(AssetInfo assetInfo)
@@ -43,7 +93,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var patchBundle = _simulatePatchManifest.GetMainPatchBundle(assetInfo.AssetPath);
+			var patchBundle = _activeManifest.GetMainPatchBundle(assetInfo.AssetPath);
 			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromEditor, assetInfo.AssetPath);
 			return bundleInfo;
 		}
@@ -51,36 +101,9 @@ namespace YooAsset
 		{
 			throw new NotImplementedException();
 		}
-		AssetInfo[] IBundleServices.GetAssetInfos(string[] tags)
-		{
-			return _simulatePatchManifest.GetAssetsInfoByTags(tags);
-		}
-		PatchAsset IBundleServices.TryGetPatchAsset(string assetPath)
-		{
-			if (_simulatePatchManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
-				return patchAsset;
-			else
-				return null;
-		}
-		string IBundleServices.MappingToAssetPath(string location)
-		{
-			return _simulatePatchManifest.MappingToAssetPath(location);
-		}
-		string IBundleServices.TryMappingToAssetPath(string location)
-		{
-			return _simulatePatchManifest.TryMappingToAssetPath(location);
-		}
-		string IBundleServices.GetPackageName()
-		{
-			return _simulatePatchManifest.PackageName;
-		}
-		bool IBundleServices.IsIncludeBundleFile(string fileName)
-		{
-			return _simulatePatchManifest.IsIncludeBundleFile(fileName);
-		}
 		bool IBundleServices.IsServicesValid()
 		{
-			return _simulatePatchManifest != null;
+			return _activeManifest != null;
 		}
 		#endregion
 	}

Assets/YooAsset/Runtime/PatchSystem/PlayMode/HostPlayModeImpl.cs

@@ -1,16 +1,15 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.IO;
 
 namespace YooAsset
 {
-	internal class HostPlayModeImpl : IBundleServices
+	internal class HostPlayModeImpl : IPlayModeServices, IBundleServices, IRemoteServices
 	{
-		// 补丁清单
-		internal PatchManifest LocalPatchManifest { private set; get; }
+		private PatchManifest _activeManifest;
 
 		// 参数相关
+		private string _packageName;
 		private bool _locationToLower;
 		private string _defaultHostServer;
 		private string _fallbackHostServer;
@@ -19,8 +18,9 @@ namespace YooAsset
 		/// <summary>
 		/// 异步初始化
 		/// </summary>
-		public InitializationOperation InitializeAsync(bool locationToLower, string defaultHostServer, string fallbackHostServer, IQueryServices queryServices, string packageName)
+		public InitializationOperation InitializeAsync(string packageName, bool locationToLower, string defaultHostServer, string fallbackHostServer, IQueryServices queryServices)
 		{
+			_packageName = packageName;
 			_locationToLower = locationToLower;
 			_defaultHostServer = defaultHostServer;
 			_fallbackHostServer = fallbackHostServer;
@@ -31,70 +31,106 @@ namespace YooAsset
 			return operation;
 		}
 
-		/// <summary>
-		/// 获取包裹的版本信息
-		/// </summary>
-		public string GetPackageVersion()
+		// 下载相关
+		private List<BundleInfo> ConvertToDownloadList(List<PatchBundle> downloadList)
 		{
-			if (LocalPatchManifest == null)
-				return string.Empty;
-			return LocalPatchManifest.PackageVersion;
+			List<BundleInfo> result = new List<BundleInfo>(downloadList.Count);
+			foreach (var patchBundle in downloadList)
+			{
+				var bundleInfo = ConvertToDownloadInfo(patchBundle);
+				result.Add(bundleInfo);
+			}
+			return result;
+		}
+		private BundleInfo ConvertToDownloadInfo(PatchBundle patchBundle)
+		{
+			string remoteMainURL = GetRemoteMainURL(patchBundle.FileName);
+			string remoteFallbackURL = GetRemoteFallbackURL(patchBundle.FileName);
+			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromRemote, remoteMainURL, remoteFallbackURL);
+			return bundleInfo;
 		}
 
-		/// <summary>
-		/// 异步更新资源版本号
-		/// </summary>
-		public UpdatePackageVersionOperation UpdatePackageVersionAsync(string packageName, int timeout, bool appendTimeTicks)
+		// 解压相关
+		private List<BundleInfo> ConvertToUnpackList(List<PatchBundle> unpackList)
 		{
-			var operation = new HostPlayModeUpdatePackageVersionOperation(this, packageName, timeout, appendTimeTicks);
+			List<BundleInfo> result = new List<BundleInfo>(unpackList.Count);
+			foreach (var patchBundle in unpackList)
+			{
+				var bundleInfo = ConvertToUnpackInfo(patchBundle);
+				result.Add(bundleInfo);
+			}
+			return result;
+		}
+		private BundleInfo ConvertToUnpackInfo(PatchBundle patchBundle)
+		{
+			return PatchManifestTools.GetUnpackInfo(patchBundle);
+		}
+
+		#region IRemoteServices接口
+		public string GetRemoteMainURL(string fileName)
+		{
+			return $"{_defaultHostServer}/{fileName}";
+		}
+		public string GetRemoteFallbackURL(string fileName)
+		{
+			return $"{_fallbackHostServer}/{fileName}";
+		}
+		#endregion
+
+		#region IPlayModeServices接口
+		public PatchManifest ActiveManifest
+		{
+			set
+			{
+				_activeManifest = value;
+				_activeManifest.InitAssetPathMapping(_locationToLower);
+				PersistentHelper.SaveCachePackageVersionFile(_packageName, _activeManifest.PackageVersion);
+			}
+			get
+			{
+				return _activeManifest;
+			}
+		}
+		public bool IsBuildinPatchBundle(PatchBundle patchBundle)
+		{
+			return _queryServices.QueryStreamingAssets(patchBundle.FileName);
+		}
+
+		UpdatePackageVersionOperation IPlayModeServices.UpdatePackageVersionAsync(bool appendTimeTicks, int timeout)
+		{
+			var operation = new HostPlayModeUpdatePackageVersionOperation(this, _packageName, appendTimeTicks, timeout);
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, int timeout)
+		{
+			var operation = new HostPlayModeUpdatePackageManifestOperation(this, _packageName, packageVersion, timeout);
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		PreDownloadPackageOperation IPlayModeServices.PreDownloadPackageAsync(string packageVersion, int timeout)
+		{
+			var operation = new HostPlayModePreDownloadPackageOperation(this, _packageName, packageVersion, timeout);
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		CheckPackageContentsOperation IPlayModeServices.CheckPackageContentsOperation(string packageVersion)
+		{
+			var operation = new HostPlayModeCheckPackageContentsOperation(this, _packageName, packageVersion);
 			OperationSystem.StartOperation(operation);
 			return operation;
 		}
 
-		/// <summary>
-		/// 异步更新补丁清单
-		/// </summary>
-		public UpdatePackageManifestOperation UpdatePackageManifestAsync(string packageName, string packageVersion, int timeout)
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout)
 		{
-			var operation = new HostPlayModeUpdatePackageManifestOperation(this, packageName, packageVersion, timeout);
-			OperationSystem.StartOperation(operation);
+			List<BundleInfo> downloadList = GetDownloadListByAll(_activeManifest);
+			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
-
-		/// <summary>
-		/// 检查本地包裹内容的完整性
-		/// </summary>
-		public CheckPackageContentsOperation CheckPackageContentsAsync(string packageName)
-		{
-			var operation = new HostPlayModeCheckPackageContentsOperation(this, packageName);
-			OperationSystem.StartOperation(operation);
-			return operation;
-		}
-
-		/// <summary>
-		/// 异步更新资源包裹
-		/// </summary>
-		public DownloadPackageOperation DownloadPackageAsync(string packageName, string packageVersion, int timeout)
-		{
-			var operation = new HostPlayModeDownloadPackageOperation(this, packageName, packageVersion, timeout);
-			OperationSystem.StartOperation(operation);
-			return operation;
-		}
-
-		/// <summary>
-		/// 创建下载器
-		/// </summary>
-		public PatchDownloaderOperation CreatePatchDownloaderByAll(int fileLoadingMaxNumber, int failedTryAgain, int timeout)
-		{
-			YooLogger.Log($"Create patch downloader : {LocalPatchManifest.PackageName} {LocalPatchManifest.PackageVersion}");
-			List<BundleInfo> downloadList = GetDownloadListByAll();
-			var operation = new PatchDownloaderOperation(downloadList, fileLoadingMaxNumber, failedTryAgain, timeout);
-			return operation;
-		}
-		private List<BundleInfo> GetDownloadListByAll()
+		public List<BundleInfo> GetDownloadListByAll(PatchManifest patchManifest)
 		{
 			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
-			foreach (var patchBundle in LocalPatchManifest.BundleList)
+			foreach (var patchBundle in patchManifest.BundleList)
 			{
 				// 忽略缓存文件
 				if (CacheSystem.IsCached(patchBundle))
@@ -110,20 +146,16 @@ namespace YooAsset
 			return ConvertToDownloadList(downloadList);
 		}
 
-		/// <summary>
-		/// 创建下载器
-		/// </summary>
-		public PatchDownloaderOperation CreatePatchDownloaderByTags(string[] tags, int fileLoadingMaxNumber, int failedTryAgain, int timeout)
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout)
 		{
-			YooLogger.Log($"Create patch downloader : {LocalPatchManifest.PackageName} {LocalPatchManifest.PackageVersion}");
-			List<BundleInfo> downloadList = GetDownloadListByTags(tags);
-			var operation = new PatchDownloaderOperation(downloadList, fileLoadingMaxNumber, failedTryAgain, timeout);
+			List<BundleInfo> downloadList = GetDownloadListByTags(_activeManifest, tags);
+			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
-		private List<BundleInfo> GetDownloadListByTags(string[] tags)
+		public List<BundleInfo> GetDownloadListByTags(PatchManifest patchManifest, string[] tags)
 		{
 			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
-			foreach (var patchBundle in LocalPatchManifest.BundleList)
+			foreach (var patchBundle in patchManifest.BundleList)
 			{
 				// 忽略缓存文件
 				if (CacheSystem.IsCached(patchBundle))
@@ -151,17 +183,13 @@ namespace YooAsset
 			return ConvertToDownloadList(downloadList);
 		}
 
-		/// <summary>
-		/// 创建下载器
-		/// </summary>
-		public PatchDownloaderOperation CreatePatchDownloaderByPaths(AssetInfo[] assetInfos, int fileLoadingMaxNumber, int failedTryAgain, int timeout)
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout)
 		{
-			YooLogger.Log($"Create patch downloader : {LocalPatchManifest.PackageName} {LocalPatchManifest.PackageVersion}");
-			List<BundleInfo> downloadList = GetDownloadListByPaths(assetInfos);
-			var operation = new PatchDownloaderOperation(downloadList, fileLoadingMaxNumber, failedTryAgain, timeout);
+			List<BundleInfo> downloadList = GetDownloadListByPaths(_activeManifest, assetInfos);
+			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
-		private List<BundleInfo> GetDownloadListByPaths(AssetInfo[] assetInfos)
+		public List<BundleInfo> GetDownloadListByPaths(PatchManifest patchManifest, AssetInfo[] assetInfos)
 		{
 			// 获取资源对象的资源包和所有依赖资源包
 			List<PatchBundle> checkList = new List<PatchBundle>();
@@ -174,12 +202,12 @@ namespace YooAsset
 				}
 
 				// 注意：如果补丁清单里未找到资源包会抛出异常！
-				PatchBundle mainBundle = LocalPatchManifest.GetMainPatchBundle(assetInfo.AssetPath);
+				PatchBundle mainBundle = patchManifest.GetMainPatchBundle(assetInfo.AssetPath);
 				if (checkList.Contains(mainBundle) == false)
 					checkList.Add(mainBundle);
 
 				// 注意：如果补丁清单里未找到资源包会抛出异常！
-				PatchBundle[] dependBundles = LocalPatchManifest.GetAllDependencies(assetInfo.AssetPath);
+				PatchBundle[] dependBundles = patchManifest.GetAllDependencies(assetInfo.AssetPath);
 				foreach (var dependBundle in dependBundles)
 				{
 					if (checkList.Contains(dependBundle) == false)
@@ -204,20 +232,40 @@ namespace YooAsset
 			return ConvertToDownloadList(downloadList);
 		}
 
-		/// <summary>
-		/// 创建解压器
-		/// </summary>
-		public PatchUnpackerOperation CreatePatchUnpackerByTags(string[] tags, int fileUpackingMaxNumber, int failedTryAgain, int timeout)
+		PatchUnpackerOperation IPlayModeServices.CreatePatchUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout)
 		{
-			YooLogger.Log($"Create patch unpacker : {LocalPatchManifest.PackageName} {LocalPatchManifest.PackageVersion}");
-			List<BundleInfo> unpcakList = GetUnpackListByTags(tags);
-			var operation = new PatchUnpackerOperation(unpcakList, fileUpackingMaxNumber, failedTryAgain, timeout);
+			List<BundleInfo> unpcakList = GetUnpackListByAll(_activeManifest);
+			var operation = new PatchUnpackerOperation(unpcakList, upackingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
-		private List<BundleInfo> GetUnpackListByTags(string[] tags)
+		private List<BundleInfo> GetUnpackListByAll(PatchManifest patchManifest)
 		{
 			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
-			foreach (var patchBundle in LocalPatchManifest.BundleList)
+			foreach (var patchBundle in patchManifest.BundleList)
+			{
+				// 忽略缓存文件
+				if (CacheSystem.IsCached(patchBundle))
+					continue;
+
+				if (IsBuildinPatchBundle(patchBundle))
+				{
+					downloadList.Add(patchBundle);
+				}
+			}
+
+			return ConvertToUnpackList(downloadList);
+		}
+
+		PatchUnpackerOperation IPlayModeServices.CreatePatchUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout)
+		{
+			List<BundleInfo> unpcakList = GetUnpackListByTags(_activeManifest, tags);
+			var operation = new PatchUnpackerOperation(unpcakList, upackingMaxNumber, failedTryAgain, timeout);
+			return operation;
+		}
+		private List<BundleInfo> GetUnpackListByTags(PatchManifest patchManifest, string[] tags)
+		{
+			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
+			foreach (var patchBundle in patchManifest.BundleList)
 			{
 				// 忽略缓存文件
 				if (CacheSystem.IsCached(patchBundle))
@@ -235,124 +283,7 @@ namespace YooAsset
 
 			return ConvertToUnpackList(downloadList);
 		}
-
-		/// <summary>
-		/// 创建解压器
-		/// </summary>
-		public PatchUnpackerOperation CreatePatchUnpackerByAll(int fileUpackingMaxNumber, int failedTryAgain, int timeout)
-		{
-			YooLogger.Log($"Create patch unpacker : {LocalPatchManifest.PackageName} {LocalPatchManifest.PackageVersion}");
-			List<BundleInfo> unpcakList = GetUnpackListByAll();
-			var operation = new PatchUnpackerOperation(unpcakList, fileUpackingMaxNumber, failedTryAgain, timeout);
-			return operation;
-		}
-		private List<BundleInfo> GetUnpackListByAll()
-		{
-			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
-			foreach (var patchBundle in LocalPatchManifest.BundleList)
-			{
-				// 忽略缓存文件
-				if (CacheSystem.IsCached(patchBundle))
-					continue;
-
-				if (IsBuildinPatchBundle(patchBundle))
-				{
-					downloadList.Add(patchBundle);
-				}
-			}
-
-			return ConvertToUnpackList(downloadList);
-		}
-
-		// WEB相关
-		public string GetPatchDownloadMainURL(string fileName)
-		{
-			return $"{_defaultHostServer}/{fileName}";
-		}
-		public string GetPatchDownloadFallbackURL(string fileName)
-		{
-			return $"{_fallbackHostServer}/{fileName}";
-		}
-
-		// 下载相关
-		public List<BundleInfo> ConvertToDownloadList(List<PatchBundle> downloadList)
-		{
-			List<BundleInfo> result = new List<BundleInfo>(downloadList.Count);
-			foreach (var patchBundle in downloadList)
-			{
-				var bundleInfo = ConvertToDownloadInfo(patchBundle);
-				result.Add(bundleInfo);
-			}
-			return result;
-		}
-		private BundleInfo ConvertToDownloadInfo(PatchBundle patchBundle)
-		{
-			string remoteMainURL = GetPatchDownloadMainURL(patchBundle.FileName);
-			string remoteFallbackURL = GetPatchDownloadFallbackURL(patchBundle.FileName);
-			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromRemote, remoteMainURL, remoteFallbackURL);
-			return bundleInfo;
-		}
-
-		// 解压相关
-		public List<BundleInfo> ConvertToUnpackList(List<PatchBundle> unpackList)
-		{
-			List<BundleInfo> result = new List<BundleInfo>(unpackList.Count);
-			foreach (var patchBundle in unpackList)
-			{
-				var bundleInfo = ConvertToUnpackInfo(patchBundle);
-				result.Add(bundleInfo);
-			}
-			return result;
-		}
-		public static BundleInfo ConvertToUnpackInfo(PatchBundle patchBundle)
-		{
-			// 注意：我们把流加载路径指定为远端下载地址
-			string streamingPath = PathHelper.ConvertToWWWPath(patchBundle.StreamingFilePath);
-			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromStreaming, streamingPath, streamingPath);
-			return bundleInfo;
-		}
-
-		internal List<VerifyInfo> GetVerifyInfoList(bool weaklyUpdateMode)
-		{
-			List<VerifyInfo> result = new List<VerifyInfo>(LocalPatchManifest.BundleList.Count);
-
-			// 遍历所有文件然后验证并缓存合法文件
-			foreach (var patchBundle in LocalPatchManifest.BundleList)
-			{
-				// 忽略缓存文件
-				if (CacheSystem.IsCached(patchBundle))
-					continue;
-
-				// 注意：在弱联网模式下，我们需要验证指定资源版本的所有资源完整性
-				if (weaklyUpdateMode)
-				{
-					bool isBuildinFile = IsBuildinPatchBundle(patchBundle);
-					VerifyInfo verifyInfo = new VerifyInfo(isBuildinFile, patchBundle);
-					result.Add(verifyInfo);
-				}
-				else
-				{
-					string filePath = patchBundle.CachedFilePath;
-					if (File.Exists(filePath))
-					{
-						bool isBuildinFile = IsBuildinPatchBundle(patchBundle);
-						VerifyInfo verifyInfo = new VerifyInfo(isBuildinFile, patchBundle);
-						result.Add(verifyInfo);
-					}
-				}
-			}
-
-			return result;
-		}
-		internal void SetLocalPatchManifest(PatchManifest patchManifest)
-		{
-			LocalPatchManifest = patchManifest;
-			LocalPatchManifest.InitAssetPathMapping(_locationToLower);
-		}
-		internal bool IsBuildinPatchBundle(PatchBundle patchBundle)
-		{
-			return _queryServices.QueryStreamingAssets(patchBundle.FileName);
-		}
+		#endregion
 
 		#region IBundleServices接口
 		private BundleInfo CreateBundleInfo(PatchBundle patchBundle)
@@ -383,7 +314,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var patchBundle = LocalPatchManifest.GetMainPatchBundle(assetInfo.AssetPath);
+			var patchBundle = _activeManifest.GetMainPatchBundle(assetInfo.AssetPath);
 			return CreateBundleInfo(patchBundle);
 		}
 		BundleInfo[] IBundleServices.GetAllDependBundleInfos(AssetInfo assetInfo)
@@ -392,7 +323,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var depends = LocalPatchManifest.GetAllDependencies(assetInfo.AssetPath);
+			var depends = _activeManifest.GetAllDependencies(assetInfo.AssetPath);
 			List<BundleInfo> result = new List<BundleInfo>(depends.Length);
 			foreach (var patchBundle in depends)
 			{
@@ -401,36 +332,9 @@ namespace YooAsset
 			}
 			return result.ToArray();
 		}
-		AssetInfo[] IBundleServices.GetAssetInfos(string[] tags)
-		{
-			return LocalPatchManifest.GetAssetsInfoByTags(tags);
-		}
-		PatchAsset IBundleServices.TryGetPatchAsset(string assetPath)
-		{
-			if (LocalPatchManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
-				return patchAsset;
-			else
-				return null;
-		}
-		string IBundleServices.MappingToAssetPath(string location)
-		{
-			return LocalPatchManifest.MappingToAssetPath(location);
-		}
-		string IBundleServices.TryMappingToAssetPath(string location)
-		{
-			return LocalPatchManifest.TryMappingToAssetPath(location);
-		}
-		string IBundleServices.GetPackageName()
-		{
-			return LocalPatchManifest.PackageName;
-		}
-		bool IBundleServices.IsIncludeBundleFile(string fileName)
-		{
-			return LocalPatchManifest.IsIncludeBundleFile(fileName);
-		}
 		bool IBundleServices.IsServicesValid()
 		{
-			return LocalPatchManifest != null;
+			return _activeManifest != null;
 		}
 		#endregion
 	}

Assets/YooAsset/Runtime/PatchSystem/PlayMode/OfflinePlayModeImpl.cs

@@ -1,19 +1,18 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.IO;
 
 namespace YooAsset
 {
-	internal class OfflinePlayModeImpl : IBundleServices
+	internal class OfflinePlayModeImpl : IPlayModeServices, IBundleServices
 	{
-		private PatchManifest _appPatchManifest;
+		private PatchManifest _activeManifest;
 		private bool _locationToLower;
 
 		/// <summary>
 		/// 异步初始化
 		/// </summary>
-		public InitializationOperation InitializeAsync(bool locationToLower, string packageName)
+		public InitializationOperation InitializeAsync(string packageName, bool locationToLower)
 		{
 			_locationToLower = locationToLower;
 			var operation = new OfflinePlayModeInitializationOperation(this, packageName);
@@ -21,44 +20,72 @@ namespace YooAsset
 			return operation;
 		}
 
-		/// <summary>
-		/// 获取包裹的版本信息
-		/// </summary>
-		public string GetPackageVersion()
+		#region IPlayModeServices接口
+		public PatchManifest ActiveManifest
 		{
-			if (_appPatchManifest == null)
-				return string.Empty;
-			return _appPatchManifest.PackageVersion;
-		}
-
-		internal List<VerifyInfo> GetVerifyInfoList()
-		{
-			List<VerifyInfo> result = new List<VerifyInfo>(_appPatchManifest.BundleList.Count);
-
-			// 遍历所有文件然后验证并缓存合法文件
-			foreach (var patchBundle in _appPatchManifest.BundleList)
+			set
 			{
-				// 忽略缓存文件
-				if (CacheSystem.IsCached(patchBundle))
-					continue;
-
-				string filePath = patchBundle.CachedFilePath;
-				if (File.Exists(filePath))
-				{
-					bool isBuildinFile = true;
-					VerifyInfo verifyInfo = new VerifyInfo(isBuildinFile, patchBundle);
-					result.Add(verifyInfo);
-				}
+				_activeManifest = value;
+				_activeManifest.InitAssetPathMapping(_locationToLower);
+			}
+			get
+			{
+				return _activeManifest;
 			}
-
-			return result;
 		}
-		internal void SetAppPatchManifest(PatchManifest patchManifest)
+		public bool IsBuildinPatchBundle(PatchBundle patchBundle)
 		{
-			_appPatchManifest = patchManifest;
-			_appPatchManifest.InitAssetPathMapping(_locationToLower);
+			return true;
 		}
 
+		UpdatePackageVersionOperation IPlayModeServices.UpdatePackageVersionAsync(bool appendTimeTicks, int timeout)
+		{
+			var operation = new OfflinePlayModeUpdatePackageVersionOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, int timeout)
+		{
+			var operation = new OfflinePlayModeUpdatePackageManifestOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		PreDownloadPackageOperation IPlayModeServices.PreDownloadPackageAsync(string packageVersion, int timeout)
+		{
+			var operation = new OfflinePlayModePreDownloadPackageOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+		CheckPackageContentsOperation IPlayModeServices.CheckPackageContentsOperation(string packageVersion)
+		{
+			var operation = new OfflinePlayModeCheckPackageContentsOperation();
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchDownloaderOperation.CreateEmptyDownloader(downloadingMaxNumber, failedTryAgain, timeout);
+		}
+
+		PatchUnpackerOperation IPlayModeServices.CreatePatchUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchUnpackerOperation.CreateEmptyUnpacker(upackingMaxNumber, failedTryAgain, timeout);
+		}
+		PatchUnpackerOperation IPlayModeServices.CreatePatchUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout)
+		{
+			return PatchUnpackerOperation.CreateEmptyUnpacker(upackingMaxNumber, failedTryAgain, timeout);
+		}
+		#endregion
+
 		#region IBundleServices接口
 		private BundleInfo CreateBundleInfo(PatchBundle patchBundle)
 		{
@@ -84,7 +111,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var patchBundle = _appPatchManifest.GetMainPatchBundle(assetInfo.AssetPath);
+			var patchBundle = _activeManifest.GetMainPatchBundle(assetInfo.AssetPath);
 			return CreateBundleInfo(patchBundle);
 		}
 		BundleInfo[] IBundleServices.GetAllDependBundleInfos(AssetInfo assetInfo)
@@ -93,7 +120,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var depends = _appPatchManifest.GetAllDependencies(assetInfo.AssetPath);
+			var depends = _activeManifest.GetAllDependencies(assetInfo.AssetPath);
 			List<BundleInfo> result = new List<BundleInfo>(depends.Length);
 			foreach (var patchBundle in depends)
 			{
@@ -102,36 +129,9 @@ namespace YooAsset
 			}
 			return result.ToArray();
 		}
-		AssetInfo[] IBundleServices.GetAssetInfos(string[] tags)
-		{
-			return _appPatchManifest.GetAssetsInfoByTags(tags);
-		}
-		PatchAsset IBundleServices.TryGetPatchAsset(string assetPath)
-		{
-			if (_appPatchManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
-				return patchAsset;
-			else
-				return null;
-		}
-		string IBundleServices.MappingToAssetPath(string location)
-		{
-			return _appPatchManifest.MappingToAssetPath(location);
-		}
-		string IBundleServices.TryMappingToAssetPath(string location)
-		{
-			return _appPatchManifest.TryMappingToAssetPath(location);
-		}
-		string IBundleServices.GetPackageName()
-		{
-			return _appPatchManifest.PackageName;
-		}
-		bool IBundleServices.IsIncludeBundleFile(string fileName)
-		{
-			return _appPatchManifest.IsIncludeBundleFile(fileName);
-		}
 		bool IBundleServices.IsServicesValid()
 		{
-			return _appPatchManifest != null;
+			return _activeManifest != null;
 		}
 		#endregion
 	}

Assets/YooAsset/Runtime/Services/IBundleServices.cs

@@ -13,36 +13,6 @@ namespace YooAsset
 		/// </summary>
 		BundleInfo[] GetAllDependBundleInfos(AssetInfo assetPath);
 
-		/// <summary>
-		/// 获取资源信息列表
-		/// </summary>
-		AssetInfo[] GetAssetInfos(string[] tags);
-
-		/// <summary>
-		/// 尝试获取补丁资源
-		/// </summary>
-		PatchAsset TryGetPatchAsset(string assetPath);
-
-		/// <summary>
-		/// 映射为资源路径
-		/// </summary>
-		string MappingToAssetPath(string location);
-
-		/// <summary>
-		/// 尝试映射为资源路径
-		/// </summary>
-		string TryMappingToAssetPath(string location);
-
-		/// <summary>
-		/// 获取所属的包裹名
-		/// </summary>
-		string GetPackageName();
-
-		/// <summary>
-		/// 是否包含资源文件
-		/// </summary>
-		bool IsIncludeBundleFile(string fileName);
-
 		/// <summary>
 		/// 服务接口是否有效
 		/// </summary>

Assets/YooAsset/Runtime/Services/IPlayModeServices.cs

@@ -0,0 +1,45 @@
+
+namespace YooAsset
+{
+	internal interface IPlayModeServices
+	{
+		/// <summary>
+		/// 激活的清单
+		/// </summary>
+		PatchManifest ActiveManifest { set; get; }
+
+		/// <summary>
+		/// 是否为内置资源文件
+		/// </summary>
+		bool IsBuildinPatchBundle(PatchBundle patchBundle);
+
+		/// <summary>
+		/// 向网络端请求最新的资源版本
+		/// </summary>
+		UpdatePackageVersionOperation UpdatePackageVersionAsync(bool appendTimeTicks, int timeout);
+
+		/// <summary>
+		/// 向网络端请求并更新补丁清单
+		/// </summary>
+		UpdatePackageManifestOperation UpdatePackageManifestAsync(string packageVersion, int timeout);
+
+		/// <summary>
+		/// 预下载指定版本的包裹资源
+		/// </summary>
+		PreDownloadPackageOperation PreDownloadPackageAsync(string packageVersion, int timeout);
+
+		/// <summary>
+		/// 检查包裹内容的完整性
+		/// </summary>
+		CheckPackageContentsOperation CheckPackageContentsOperation(string packageVersion);
+
+		// 下载相关
+		PatchDownloaderOperation CreatePatchDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout);
+		PatchDownloaderOperation CreatePatchDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout);
+		PatchDownloaderOperation CreatePatchDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout);
+
+		// 解压相关
+		PatchUnpackerOperation CreatePatchUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout);
+		PatchUnpackerOperation CreatePatchUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout);
+	}
+}

Assets/YooAsset/Runtime/Services/IPlayModeServices.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 4629f36c31a96214b9057827c6a283cf
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/Services/IRemoteServices.cs

@@ -0,0 +1,9 @@
+
+namespace YooAsset
+{
+	internal interface IRemoteServices
+	{
+		string GetRemoteMainURL(string fileName);
+		string GetRemoteFallbackURL(string fileName);
+	}
+}

Assets/YooAsset/Runtime/Services/IRemoteServices.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 55b92092303a8d44280c107e6c5a8379
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/Settings/YooAssetSettings.cs

@@ -20,6 +20,11 @@ namespace YooAsset
 		/// </summary>
 		public string PatchManifestFileName = "PatchManifest";
 
+		/// <summary>
+		/// 资源包名正规化（移除路径分隔符）
+		/// </summary>
+		public bool RegularBundleName = true;
+
 
 		/// <summary>
 		/// 清单文件头标记
@@ -34,7 +39,8 @@ namespace YooAsset
 		/// <summary>
 		/// 清单文件格式版本
 		/// </summary>
-		public const string PatchManifestFileVersion = "1.3.4";
+		public const string PatchManifestFileVersion = "1.4.0";
+
 
 		/// <summary>
 		/// 构建输出文件夹名称

Assets/YooAsset/Runtime/Settings/YooAssetSettingsData.cs

@@ -41,41 +41,33 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 获取补丁清单文件不带版本号的名称
+		/// 获取清单文件完整名称
 		/// </summary>
-		public static string GetPatchManifestFileNameWithoutVersion(string packageName)
-		{
-			return $"{Setting.PatchManifestFileName}_{packageName}.bytes";
-		}
-
-		/// <summary>
-		/// 获取补丁清单文件完整名称
-		/// </summary>
-		public static string GetPatchManifestBinaryFileName(string packageName, string packageVersion)
+		public static string GetManifestBinaryFileName(string packageName, string packageVersion)
 		{
 			return $"{Setting.PatchManifestFileName}_{packageName}_{packageVersion}.bytes";
 		}
 
 		/// <summary>
-		/// 获取补丁清单文件完整名称
+		/// 获取清单文件完整名称
 		/// </summary>
-		public static string GetPatchManifestJsonFileName(string packageName, string packageVersion)
+		public static string GetManifestJsonFileName(string packageName, string packageVersion)
 		{
 			return $"{Setting.PatchManifestFileName}_{packageName}_{packageVersion}.json";
 		}
 
 		/// <summary>
-		/// 获取补丁清单哈希文件完整名称
+		/// 获取包裹的哈希文件完整名称
 		/// </summary>
-		public static string GetPatchManifestHashFileName(string packageName, string packageVersion)
+		public static string GetPackageHashFileName(string packageName, string packageVersion)
 		{
 			return $"{Setting.PatchManifestFileName}_{packageName}_{packageVersion}.hash";
 		}
 
 		/// <summary>
-		/// 获取补丁清单版本文件完整名称
+		/// 获取包裹的版本文件完整名称
 		/// </summary>
-		public static string GetPatchManifestVersionFileName(string packageName)
+		public static string GetPackageVersionFileName(string packageName)
 		{
 			return $"{Setting.PatchManifestFileName}_{packageName}.version";
 		}
@@ -83,9 +75,14 @@ namespace YooAsset
 		/// <summary>
 		/// 获取着色器资源包全名称（包含后缀名）
 		/// </summary>
-		public static string GetUnityShadersBundleFullName()
+		public static string GetUnityShadersBundleFullName(bool uniqueBundleName, string packageName)
 		{
-			return $"{YooAssetSettings.UnityShadersBundleName}.{Setting.AssetBundleFileVariant}";
+			string shareBundleName;
+			if (uniqueBundleName)
+				shareBundleName = $"{packageName.ToLower()}_{YooAssetSettings.UnityShadersBundleName}.{Setting.AssetBundleFileVariant}";
+			else
+				shareBundleName = $"{YooAssetSettings.UnityShadersBundleName}.{Setting.AssetBundleFileVariant}";
+			return shareBundleName.ToLower();
 		}
 	}
 }

Assets/YooAsset/Runtime/Utility/BufferReader.cs

@@ -16,6 +16,20 @@ namespace YooAsset
 			_buffer = data;
 		}
 
+		/// <summary>
+		/// 是否有效
+		/// </summary>
+		public bool IsValid
+		{
+			get
+			{
+				if (_buffer == null || _buffer.Length == 0)
+					return false;
+				else
+					return true;
+			}
+		}
+
 		/// <summary>
 		/// 缓冲区容量
 		/// </summary>

Assets/YooAsset/Runtime/Utility/YooHelper.cs

@@ -8,29 +8,19 @@ namespace YooAsset
 	/// </summary>
 	internal static class PathHelper
 	{
-		/// <summary>
-		/// 获取规范化的路径
-		/// </summary>
-		public static string GetRegularPath(string path)
-		{
-			return path.Replace('\\', '/').Replace("\\", "/"); //替换为Linux路径格式
-		}
-
-		/// <summary>
-		/// 获取文件所在的目录路径（Linux格式）
-		/// </summary>
-		public static string GetDirectory(string filePath)
-		{
-			string directory = Path.GetDirectoryName(filePath);
-			return GetRegularPath(directory);
-		}
+		private static string _buildinPath;
+		private static string _sandboxPath;
 
 		/// <summary>
 		/// 获取基于流文件夹的加载路径
 		/// </summary>
 		public static string MakeStreamingLoadPath(string path)
 		{
-			return StringUtility.Format("{0}/{1}/{2}", UnityEngine.Application.streamingAssetsPath, YooAssetSettings.StreamingAssetsBuildinFolder, path);
+			if (string.IsNullOrEmpty(_buildinPath))
+			{
+				_buildinPath = StringUtility.Format("{0}/{1}", UnityEngine.Application.streamingAssetsPath, YooAssetSettings.StreamingAssetsBuildinFolder);
+			}
+			return StringUtility.Format("{0}/{1}", _buildinPath, path);
 		}
 
 		/// <summary>
@@ -38,23 +28,36 @@ namespace YooAsset
 		/// </summary>
 		public static string MakePersistentLoadPath(string path)
 		{
-			string root = MakePersistentRootPath();
+			string root = GetPersistentRootPath();
 			return StringUtility.Format("{0}/{1}", root, path);
 		}
 
 		/// <summary>
 		/// 获取沙盒文件夹路径
 		/// </summary>
-		public static string MakePersistentRootPath()
+		public static string GetPersistentRootPath()
 		{
 #if UNITY_EDITOR
 			// 注意：为了方便调试查看，编辑器下把存储目录放到项目里
-			string projectPath = GetDirectory(UnityEngine.Application.dataPath);
-			return StringUtility.Format("{0}/Sandbox", projectPath);
+			if (string.IsNullOrEmpty(_sandboxPath))
+			{
+				string directory = Path.GetDirectoryName(UnityEngine.Application.dataPath);
+				string projectPath = GetRegularPath(directory);
+				_sandboxPath = StringUtility.Format("{0}/Sandbox", projectPath);
+			}
+			return _sandboxPath;
 #else
-			return StringUtility.Format("{0}/Sandbox", UnityEngine.Application.persistentDataPath);
+			if (string.IsNullOrEmpty(_sandboxPath))
+			{
+				_sandboxPath = StringUtility.Format("{0}/Sandbox", UnityEngine.Application.persistentDataPath);
+			}
+			return _sandboxPath;
 #endif
 		}
+		private static string GetRegularPath(string path)
+		{
+			return path.Replace('\\', '/').Replace("\\", "/"); //替换为Linux路径格式
+		}
 
 		/// <summary>
 		/// 获取WWW加载本地资源的路径
@@ -81,6 +84,9 @@ namespace YooAsset
 	internal static class PersistentHelper
 	{
 		private const string CacheFolderName = "CacheFiles";
+		private const string ManifestFolderName = "ManifestFiles";
+		private const string AppFootPrintFileName = "ApplicationFootPrint.bytes";
+
 
 		/// <summary>
 		/// 删除沙盒总目录
@@ -102,6 +108,17 @@ namespace YooAsset
 				Directory.Delete(root, true);
 		}
 
+		/// <summary>
+		/// 删除沙盒内的清单文件夹
+		/// </summary>
+		public static void DeleteManifestFolder()
+		{
+			string root = PathHelper.MakePersistentLoadPath(ManifestFolderName);
+			if (Directory.Exists(root))
+				Directory.Delete(root, true);
+		}
+
+
 		/// <summary>
 		/// 获取缓存文件夹路径
 		/// </summary>
@@ -111,65 +128,48 @@ namespace YooAsset
 			return $"{root}/{packageName}";
 		}
 
-		#region 沙盒内清单相关
+		/// <summary>
+		/// 获取应用程序的水印文件路径
+		/// </summary>
+		public static string GetAppFootPrintFilePath()
+		{
+			return PathHelper.MakePersistentLoadPath(AppFootPrintFileName);
+		}
+
 		/// <summary>
 		/// 获取沙盒内清单文件的路径
 		/// </summary>
-		public static string GetCacheManifestFilePath(string packageName)
+		public static string GetCacheManifestFilePath(string packageName, string packageVersion)
 		{
-			string fileName = YooAssetSettingsData.GetPatchManifestFileNameWithoutVersion(packageName);
-			return PathHelper.MakePersistentLoadPath(fileName);
+			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(packageName, packageVersion);
+			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
 		}
 
 		/// <summary>
-		/// 加载沙盒内清单文件
+		/// 获取沙盒内包裹的哈希文件的路径
 		/// </summary>
-		public static PatchManifest LoadCacheManifestFile(string packageName)
+		public static string GetCachePackageHashFilePath(string packageName, string packageVersion)
 		{
-			YooLogger.Log($"Load sandbox patch manifest file : {packageName}");
-			string filePath = GetCacheManifestFilePath(packageName);
-			byte[] bytesData = File.ReadAllBytes(filePath);
-			return PatchManifest.DeserializeFromBinary(bytesData);
+			string fileName = YooAssetSettingsData.GetPackageHashFileName(packageName, packageVersion);
+			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
 		}
 
 		/// <summary>
-		/// 存储沙盒内清单文件
+		/// 获取沙盒内包裹的版本文件的路径
 		/// </summary>
-		public static PatchManifest SaveCacheManifestFile(string packageName, byte[] fileBytesData)
+		public static string GetCachePackageVersionFilePath(string packageName)
 		{
-			YooLogger.Log($"Save sandbox patch manifest file : {packageName}");
-			var manifest = PatchManifest.DeserializeFromBinary(fileBytesData);
-			string savePath = GetCacheManifestFilePath(packageName);
-			FileUtility.CreateFile(savePath, fileBytesData);
-			return manifest;
+			string fileName = YooAssetSettingsData.GetPackageVersionFileName(packageName);
+			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
 		}
 
 		/// <summary>
-		/// 检测沙盒内清单文件是否存在
+		/// 保存默认的包裹版本
 		/// </summary>
-		public static bool CheckCacheManifestFileExists(string packageName)
+		public static void SaveCachePackageVersionFile(string packageName, string version)
 		{
-			string filePath = GetCacheManifestFilePath(packageName);
-			return File.Exists(filePath);
+			string filePath = GetCachePackageVersionFilePath(packageName);
+			FileUtility.CreateFile(filePath, version);
 		}
-
-		/// <summary>
-		/// 删除沙盒内清单文件
-		/// </summary>
-		public static bool DeleteCacheManifestFile(string packageName)
-		{
-			string filePath = GetCacheManifestFilePath(packageName);
-			if (File.Exists(filePath))
-			{
-				YooLogger.Warning($"Invalid cache manifest file have been removed : {filePath}");
-				File.Delete(filePath);
-				return true;
-			}
-			else
-			{
-				return false;
-			}
-		}
-		#endregion
 	}
 }

Assets/YooAsset/Runtime/Utility/YooUtility.cs

@@ -55,37 +55,6 @@ namespace YooAsset
 			return _cacheBuilder.ToString();
 		}
 
-		public static List<string> StringToStringList(string str, char separator)
-		{
-			List<string> result = new List<string>();
-			if (!String.IsNullOrEmpty(str))
-			{
-				string[] splits = str.Split(separator);
-				foreach (string split in splits)
-				{
-					string value = split.Trim(); //移除首尾空格
-					if (!String.IsNullOrEmpty(value))
-					{
-						result.Add(value);
-					}
-				}
-			}
-			return result;
-		}
-		public static bool StringToBool(string str)
-		{
-			int value = (int)Convert.ChangeType(str, typeof(int));
-			return value > 0;
-		}
-		public static T NameToEnum<T>(string name)
-		{
-			if (Enum.IsDefined(typeof(T), name) == false)
-			{
-				throw new ArgumentException($"Enum {typeof(T)} is not defined name {name}");
-			}
-			return (T)Enum.Parse(typeof(T), name);
-		}
-
 		public static string RemoveFirstChar(string str)
 		{
 			if (string.IsNullOrEmpty(str))

Assets/YooAsset/Runtime/YooAssets.cs

@@ -220,7 +220,7 @@ namespace YooAsset
 		/// </summary>
 		public static string GetSandboxRoot()
 		{
-			return PathHelper.MakePersistentRootPath();
+			return PathHelper.GetPersistentRootPath();
 		}
 
 		/// <summary>

Assets/YooAsset/Runtime/YooAssetsExtension.cs

@@ -320,19 +320,6 @@ namespace YooAsset
 			return _defaultPackage.CreatePatchDownloader(downloadingMaxNumber, failedTryAgain);
 		}
 
-
-		/// <summary>
-		/// 创建补丁下载器，用于下载更新指定的资源列表依赖的资源包文件
-		/// </summary>
-		/// <param name="locations">资源定位列表</param>
-		/// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
-		/// <param name="failedTryAgain">下载失败的重试次数</param>
-		public static PatchDownloaderOperation CreateBundleDownloader(string[] locations, int downloadingMaxNumber, int failedTryAgain)
-		{
-			DebugCheckDefaultPackageValid();
-			return _defaultPackage.CreateBundleDownloader(locations, downloadingMaxNumber, failedTryAgain);
-		}
-
 		/// <summary>
 		/// 创建补丁下载器，用于下载更新指定的资源列表依赖的资源包文件
 		/// </summary>
@@ -383,19 +370,6 @@ namespace YooAsset
 		}
 		#endregion
 
-		#region 包裹更新
-		/// <summary>
-		/// 资源包裹更新，用于下载更新指定资源版本所有的资源包文件
-		/// </summary>
-		/// <param name="packageVersion">指定更新的包裹版本</param>
-		/// <param name="timeout">超时时间</param>
-		public static DownloadPackageOperation DownloadPackageAsync(string packageVersion, int timeout = 60)
-		{
-			DebugCheckDefaultPackageValid();
-			return _defaultPackage.DownloadPackageAsync(packageVersion, timeout);
-		}
-		#endregion
-
 		#region 调试方法
 		[Conditional("DEBUG")]
 		private static void DebugCheckDefaultPackageValid()

Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/PatchCompareWindow.cs

@@ -106,11 +106,11 @@ namespace YooAsset.Editor
 
 			// 加载补丁清单1
 			byte[] bytesData1 = FileUtility.ReadAllBytes(_patchManifestPath1);
-			PatchManifest patchManifest1 = PatchManifest.DeserializeFromBinary(bytesData1);
+			PatchManifest patchManifest1 = PatchManifestTools.DeserializeFromBinary(bytesData1);
 
 			// 加载补丁清单1
 			byte[] bytesData2 = FileUtility.ReadAllBytes(_patchManifestPath2);
-			PatchManifest patchManifest2 = PatchManifest.DeserializeFromBinary(bytesData2);
+			PatchManifest patchManifest2 = PatchManifestTools.DeserializeFromBinary(bytesData2);
 
 			// 拷贝文件列表
 			foreach (var patchBundle2 in patchManifest2.BundleList)

Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/PatchImportWindow.cs

@@ -52,7 +52,7 @@ namespace YooAsset.Editor
 
 			// 加载补丁清单
 			byte[] bytesData = FileUtility.ReadAllBytes(patchManifestFilePath);
-			PatchManifest patchManifest = PatchManifest.DeserializeFromBinary(bytesData);
+			PatchManifest patchManifest = PatchManifestTools.DeserializeFromBinary(bytesData);
 
 			// 拷贝核心文件
 			{
@@ -66,7 +66,7 @@ namespace YooAsset.Editor
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestVersionFileName(patchManifest.PackageName);
+				string fileName = YooAssetSettingsData.GetPackageVersionFileName(patchManifest.PackageName);
 				string sourcePath = $"{outputDirectory}/{fileName}";
 				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{fileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);

Assets/YooAsset/Samples~/Space Shooter/AssetSetting/AssetBundleBuilderSetting.asset

@@ -16,7 +16,7 @@ MonoBehaviour:
   BuildMode: 0
   BuildPackage: DefaultPackage
   CompressOption: 2
-  OutputNameStyle: 1
+  OutputNameStyle: 4
   CopyBuildinFileOption: 1
   CopyBuildinFileTags: 
   EncyptionClassName: FileStreamEncryption

Assets/YooAsset/Samples~/Space Shooter/GameScript/Runtime/Boot.cs

@@ -29,6 +29,7 @@ public class Boot : MonoBehaviour
 
 		// 初始化资源系统
 		YooAssets.Initialize();
+		YooAssets.SetOperationSystemMaxTimeSlice(30);
 
 		// 创建补丁管理器
 		UniModule.CreateModule<PatchManager>();