Update CHANGELOG.md

修复开启UniqueBundleName选项后，SBP构建报错的问题。

Assets/YooAsset/CHANGELOG.md

@@ -2,6 +2,80 @@
 
 All notable changes to this package will be documented in this file.
 
+## [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
+
+- (#46)修复了资源包初始化失败之后，再次初始化发生异常的问题。
+- 修复了在初始化失败的之后，销毁YooAssets会报异常的问题。
+
+### Changed
+
+- 优化了资源收集界面，可以选择显示中文别名。
+- **优化了补丁清单序列化方式，由文本数据修改为二进制数据。**
+- 资源操作句柄增加using支持。
+
+## [1.3.7] - 2022-11-26
+
+全新的太空战机Demo !
+
+### Fixed
+
+- (#45)修复了package列表更新触发的异常。
+
+### Added
+
+- 新增了YooAssets.Destroy()资源系统销毁方法。
+
+  ```C#
+  /// <summary>
+  /// 销毁资源系统
+  /// </summary>
+  public static void Destroy();
+  ```
+
+### Changed
+
+- 优化了资源收集规则，原生文件打包名称现在已经包含文件后缀名。
+- 优化了资源收集规则，非原生文件收集器自动移除Unity无法识别的文件。
+- 优化了调试信息窗口，列表元素的加载状态显示为文本。
+
 ## [1.3.5] - 2022-11-19
 
 ### Fixed

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleSimulateBuilder.cs

@@ -1,4 +1,5 @@
 using UnityEditor;
+using UnityEngine;
 
 namespace YooAsset.Editor
 {
@@ -9,6 +10,7 @@ namespace YooAsset.Editor
 		/// </summary>
 		public static string SimulateBuild(string packageName)
 		{
+			Debug.Log($"Begin to create simulate package : {packageName}");
 			string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultOutputRoot();
 			BuildParameters buildParameters = new BuildParameters();
 			buildParameters.OutputRoot = defaultOutputRoot;
@@ -21,7 +23,7 @@ namespace YooAsset.Editor
 			var buildResult = builder.Run(buildParameters);
 			if (buildResult.Success)
 			{
-				string manifestFileName = YooAssetSettingsData.GetPatchManifestFileName(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/BuildBundleInfo.cs

@@ -182,13 +182,14 @@ namespace YooAsset.Editor
 		/// </summary>
 		internal PatchBundle CreatePatchBundle()
 		{
-			string fileHash = PatchInfo.PatchFileHash;
-			string fileCRC = PatchInfo.PatchFileCRC;
-			long fileSize = PatchInfo.PatchFileSize;
-			bool isRawFile = IsRawFile;
-			byte loadMethod = (byte)LoadMethod;
-			string[] tags = GetBundleTags();
-			PatchBundle patchBundle = new PatchBundle(BundleName, fileHash, fileCRC, fileSize, isRawFile, loadMethod, tags);
+			PatchBundle patchBundle = new PatchBundle();
+			patchBundle.BundleName = BundleName;
+			patchBundle.FileHash = PatchInfo.PatchFileHash;
+			patchBundle.FileCRC = PatchInfo.PatchFileCRC;
+			patchBundle.FileSize = PatchInfo.PatchFileSize;
+			patchBundle.IsRawFile = IsRawFile;
+			patchBundle.LoadMethod = (byte)LoadMethod;
+			patchBundle.Tags = GetBundleTags();
 			return patchBundle;
 		}
 	}

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.GetPatchManifestFileName(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

@@ -42,33 +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);
 				}
 			}
 
-			// 创建补丁清单文件
+			// 创建补丁清单文本文件
+			{
+				string fileName = YooAssetSettingsData.GetManifestJsonFileName(buildParameters.PackageName, buildParameters.PackageVersion);
+				string filePath = $"{packageOutputDirectory}/{fileName}";
+				PatchManifestTools.SerializeToJson(filePath, patchManifest);
+				BuildRunner.Log($"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.GetPatchManifestFileName(buildParameters.PackageName, buildParameters.PackageVersion);
+				string fileName = YooAssetSettingsData.GetManifestBinaryFileName(buildParameters.PackageName, buildParameters.PackageVersion);
 				string filePath = $"{packageOutputDirectory}/{fileName}";
-				PatchManifest.Serialize(filePath, patchManifest);
+				PatchManifestTools.SerializeToBinary(filePath, patchManifest);
 				packageHash = HashUtility.FileMD5(filePath);
 				BuildRunner.Log($"创建补丁清单文件：{filePath}");
 
-				var patchManifestContext = new PatchManifestContext();
-				string jsonData = FileUtility.ReadFile(filePath);
-				patchManifestContext.Manifest = PatchManifest.Deserialize(jsonData);
+				PatchManifestContext patchManifestContext = new PatchManifestContext();
+				byte[] bytesData = FileUtility.ReadAllBytes(filePath);
+				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}");
@@ -76,7 +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}");
@@ -157,10 +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 = PatchManifest.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

@@ -240,13 +240,15 @@ namespace YooAsset.Editor
 				return false;
 
 			// 忽略Unity无法识别的无效文件
-			/*
-			if (type == typeof(UnityEditor.DefaultAsset))
+			// 注意：只对非原生文件收集器处理
+			if(PackRuleName != nameof(PackRawFile))
 			{
-				UnityEngine.Debug.LogWarning($"Cannot pack default asset : {assetPath}");
-				return false;
+				if (type == typeof(UnityEditor.DefaultAsset))
+				{
+					UnityEngine.Debug.LogWarning($"Cannot pack default asset : {assetPath}");
+					return false;
+				}
 			}
-			*/
 
 			string fileExtension = System.IO.Path.GetExtension(assetPath);
 			if (IsIgnoreFile(fileExtension))
@@ -291,12 +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

@@ -10,13 +10,14 @@ namespace YooAsset.Editor
 {
 	public class AssetBundleCollectorConfig
 	{
-		public const string ConfigVersion = "2.1";
+		public const string ConfigVersion = "2.2";
 
 		public const string XmlVersion = "Version";
 		public const string XmlCommon = "Common";
 		public const string XmlEnableAddressable = "AutoAddressable";
 		public const string XmlUniqueBundleName = "UniqueBundleName";
 		public const string XmlShowPackageView = "ShowPackageView";
+		public const string XmlShowEditorAlias = "ShowEditorAlias";
 
 		public const string XmlPackage = "Package";
 		public const string XmlPackageName = "PackageName";
@@ -65,6 +66,7 @@ namespace YooAsset.Editor
 			bool enableAddressable = false;
 			bool uniqueBundleName = false;
 			bool showPackageView = false;
+			bool showEditorAlias = false;
 			var commonNodeList = root.GetElementsByTagName(XmlCommon);
 			if (commonNodeList.Count > 0)
 			{
@@ -75,10 +77,13 @@ namespace YooAsset.Editor
 					throw new Exception($"Not found attribute {XmlUniqueBundleName} in {XmlCommon}");
 				if (commonElement.HasAttribute(XmlShowPackageView) == false)
 					throw new Exception($"Not found attribute {XmlShowPackageView} in {XmlCommon}");
+				if (commonElement.HasAttribute(XmlShowEditorAlias) == false)
+					throw new Exception($"Not found attribute {XmlShowEditorAlias} in {XmlCommon}");
 
 				enableAddressable = commonElement.GetAttribute(XmlEnableAddressable) == "True" ? true : false;
 				uniqueBundleName = commonElement.GetAttribute(XmlUniqueBundleName) == "True" ? true : false;
 				showPackageView = commonElement.GetAttribute(XmlShowPackageView) == "True" ? true : false;
+				showEditorAlias = commonElement.GetAttribute(XmlShowEditorAlias) == "True" ? true : false;
 			}
 
 			// 读取包裹配置
@@ -138,7 +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);
@@ -153,6 +158,7 @@ namespace YooAsset.Editor
 			AssetBundleCollectorSettingData.Setting.EnableAddressable = enableAddressable;
 			AssetBundleCollectorSettingData.Setting.UniqueBundleName = uniqueBundleName;
 			AssetBundleCollectorSettingData.Setting.ShowPackageView = showPackageView;
+			AssetBundleCollectorSettingData.Setting.ShowEditorAlias = showEditorAlias;
 			AssetBundleCollectorSettingData.Setting.Packages.AddRange(packages);
 			AssetBundleCollectorSettingData.SaveFile();
 			Debug.Log($"导入配置完毕！");
@@ -183,6 +189,7 @@ namespace YooAsset.Editor
 			commonElement.SetAttribute(XmlEnableAddressable, AssetBundleCollectorSettingData.Setting.EnableAddressable.ToString());
 			commonElement.SetAttribute(XmlUniqueBundleName, AssetBundleCollectorSettingData.Setting.UniqueBundleName.ToString());
 			commonElement.SetAttribute(XmlShowPackageView, AssetBundleCollectorSettingData.Setting.ShowPackageView.ToString());
+			commonElement.SetAttribute(XmlShowEditorAlias, AssetBundleCollectorSettingData.Setting.ShowEditorAlias.ToString());
 			root.AppendChild(commonElement);
 
 			// 设置Package配置
@@ -296,6 +303,23 @@ namespace YooAsset.Editor
 				return UpdateXmlConfig(xmlDoc);
 			}
 
+			// 2.1 -> 2.2
+			if (configVersion == "2.1")
+			{
+				// 添加公共元素属性
+				var commonNodeList = root.GetElementsByTagName(XmlCommon);
+				if (commonNodeList.Count > 0)
+				{
+					XmlElement commonElement = commonNodeList[0] as XmlElement;
+					if (commonElement.HasAttribute(XmlShowEditorAlias) == false)
+						commonElement.SetAttribute(XmlShowEditorAlias, "False");
+				}
+
+				// 更新版本
+				root.SetAttribute(XmlVersion, "2.2");
+				return UpdateXmlConfig(xmlDoc);
+			}
+
 			return false;
 		}
 	}

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/AssetBundleCollectorSetting.cs

@@ -23,6 +23,12 @@ namespace YooAsset.Editor
 		/// </summary>
 		public bool UniqueBundleName = false;
 
+		/// <summary>
+		/// 是否显示编辑器别名
+		/// </summary>
+		public bool ShowEditorAlias = false;
+
+
 		/// <summary>
 		/// 包裹列表
 		/// </summary>

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorSettingData.cs

@@ -38,92 +38,6 @@ namespace YooAsset.Editor
 			}
 		}
 
-		public static List<string> GetActiveRuleNames()
-		{
-			if (_setting == null)
-				LoadSettingData();
-
-			List<string> names = new List<string>();
-			foreach (var pair in _cacheActiveRuleTypes)
-			{
-				names.Add(pair.Key);
-			}
-			return names;
-		}
-		public static List<string> GetAddressRuleNames()
-		{
-			if (_setting == null)
-				LoadSettingData();
-
-			List<string> names = new List<string>();
-			foreach (var pair in _cacheAddressRuleTypes)
-			{
-				names.Add(pair.Key);
-			}
-			return names;
-		}
-		public static List<string> GetPackRuleNames()
-		{
-			if (_setting == null)
-				LoadSettingData();
-
-			List<string> names = new List<string>();
-			foreach (var pair in _cachePackRuleTypes)
-			{
-				names.Add(pair.Key);
-			}
-			return names;
-		}
-		public static List<string> GetFilterRuleNames()
-		{
-			if (_setting == null)
-				LoadSettingData();
-
-			List<string> names = new List<string>();
-			foreach (var pair in _cacheFilterRuleTypes)
-			{
-				names.Add(pair.Key);
-			}
-			return names;
-		}
-		public static bool HasActiveRuleName(string ruleName)
-		{
-			foreach (var pair in _cacheActiveRuleTypes)
-			{
-				if (pair.Key == ruleName)
-					return true;
-			}
-			return false;
-		}
-		public static bool HasAddressRuleName(string ruleName)
-		{
-			foreach (var pair in _cacheAddressRuleTypes)
-			{
-				if (pair.Key == ruleName)
-					return true;
-			}
-			return false;
-		}
-		public static bool HasPackRuleName(string ruleName)
-		{
-			foreach (var pair in _cachePackRuleTypes)
-			{
-				if (pair.Key == ruleName)
-					return true;
-			}
-			return false;
-		}
-		public static bool HasFilterRuleName(string ruleName)
-		{
-			foreach (var pair in _cacheFilterRuleTypes)
-			{
-				if (pair.Key == ruleName)
-					return true;
-			}
-			return false;
-		}
-
-
 		/// <summary>
 		/// 加载配置文件
 		/// </summary>
@@ -146,6 +60,7 @@ namespace YooAsset.Editor
 					typeof(PackCollector),
 					typeof(PackGroup),
 					typeof(PackRawFile),
+					typeof(PackShaderVariants)
 				};
 
 				var customTypes = EditorTools.GetAssignableTypes(typeof(IPackRule));
@@ -266,7 +181,92 @@ namespace YooAsset.Editor
 			SaveFile();
 		}
 
-		// 实例类相关
+		public static List<RuleDisplayName> GetActiveRuleNames()
+		{
+			if (_setting == null)
+				LoadSettingData();
+
+			List<RuleDisplayName> names = new List<RuleDisplayName>();
+			foreach (var pair in _cacheActiveRuleTypes)
+			{
+				RuleDisplayName ruleName = new RuleDisplayName();
+				ruleName.ClassName = pair.Key;
+				ruleName.DisplayName = GetRuleDisplayName(pair.Key, pair.Value);
+				names.Add(ruleName);
+			}
+			return names;
+		}
+		public static List<RuleDisplayName> GetAddressRuleNames()
+		{
+			if (_setting == null)
+				LoadSettingData();
+
+			List<RuleDisplayName> names = new List<RuleDisplayName>();
+			foreach (var pair in _cacheAddressRuleTypes)
+			{
+				RuleDisplayName ruleName = new RuleDisplayName();
+				ruleName.ClassName = pair.Key;
+				ruleName.DisplayName = GetRuleDisplayName(pair.Key, pair.Value);
+				names.Add(ruleName);
+			}
+			return names;
+		}
+		public static List<RuleDisplayName> GetPackRuleNames()
+		{
+			if (_setting == null)
+				LoadSettingData();
+
+			List<RuleDisplayName> names = new List<RuleDisplayName>();
+			foreach (var pair in _cachePackRuleTypes)
+			{
+				RuleDisplayName ruleName = new RuleDisplayName();
+				ruleName.ClassName = pair.Key;
+				ruleName.DisplayName = GetRuleDisplayName(pair.Key, pair.Value);
+				names.Add(ruleName);
+			}
+			return names;
+		}
+		public static List<RuleDisplayName> GetFilterRuleNames()
+		{
+			if (_setting == null)
+				LoadSettingData();
+
+			List<RuleDisplayName> names = new List<RuleDisplayName>();
+			foreach (var pair in _cacheFilterRuleTypes)
+			{
+				RuleDisplayName ruleName = new RuleDisplayName();
+				ruleName.ClassName = pair.Key;
+				ruleName.DisplayName = GetRuleDisplayName(pair.Key, pair.Value);
+				names.Add(ruleName);
+			}
+			return names;
+		}
+		private static string GetRuleDisplayName(string name, Type type)
+		{
+			var attribute = EditorAttribute.GetAttribute<DisplayNameAttribute>(type);
+			if (attribute != null && string.IsNullOrEmpty(attribute.DisplayName) == false)
+				return attribute.DisplayName;
+			else
+				return name;
+		}
+
+		public static bool HasActiveRuleName(string ruleName)
+		{
+			return _cacheActiveRuleTypes.Keys.Contains(ruleName);
+		}
+		public static bool HasAddressRuleName(string ruleName)
+		{
+			return _cacheAddressRuleTypes.Keys.Contains(ruleName);
+		}
+		public static bool HasPackRuleName(string ruleName)
+		{
+			return _cachePackRuleTypes.Keys.Contains(ruleName);
+		}
+		public static bool HasFilterRuleName(string ruleName)
+		{
+			return _cacheFilterRuleTypes.Keys.Contains(ruleName);
+		}
+
 		public static IActiveRule GetActiveRuleInstance(string ruleName)
 		{
 			if (_cacheActiveRuleInstance.TryGetValue(ruleName, out IActiveRule instance))
@@ -352,6 +352,11 @@ namespace YooAsset.Editor
 			Setting.UniqueBundleName = uniqueBundleName;
 			IsDirty = true;
 		}
+		public static void ModifyShowEditorAlias(bool showAlias)
+		{
+			Setting.ShowEditorAlias = showAlias;
+			IsDirty = true;
+		}
 
 		// 资源包裹编辑相关
 		public static AssetBundleCollectorPackage CreatePackage(string packageName)

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorWindow.cs

@@ -20,14 +20,15 @@ namespace YooAsset.Editor
 
 		private Button _saveButton;
 		private List<string> _collectorTypeList;
-		private List<string> _activeRuleList;
-		private List<string> _addressRuleList;
-		private List<string> _packRuleList;
-		private List<string> _filterRuleList;
-		
+		private List<RuleDisplayName> _activeRuleList;
+		private List<RuleDisplayName> _addressRuleList;
+		private List<RuleDisplayName> _packRuleList;
+		private List<RuleDisplayName> _filterRuleList;
+
 		private Toggle _showPackageToogle;
 		private Toggle _enableAddressableToogle;
 		private Toggle _uniqueBundleNameToogle;
+		private Toggle _showEditorAliasToggle;
 
 		private VisualElement _packageContainer;
 		private ListView _packageListView;
@@ -42,7 +43,7 @@ namespace YooAsset.Editor
 
 		private VisualElement _collectorContainer;
 		private ScrollView _collectorScrollView;
-		private PopupField<string> _activeRulePopupField;
+		private PopupField<RuleDisplayName> _activeRulePopupField;
 
 		private int _lastModifyPackageIndex = 0;
 		private int _lastModifyGroupIndex = 0;
@@ -95,6 +96,13 @@ namespace YooAsset.Editor
 					RefreshWindow();
 				});
 
+				_showEditorAliasToggle = root.Q<Toggle>("ShowEditorAlias");
+				_showEditorAliasToggle.RegisterValueChangedCallback(evt =>
+				{
+					AssetBundleCollectorSettingData.ModifyShowEditorAlias(evt.newValue);
+					RefreshWindow();
+				});
+
 				// 配置修复按钮
 				var fixBtn = root.Q<Button>("FixButton");
 				fixBtn.clicked += FixBtn_clicked;
@@ -236,21 +244,23 @@ namespace YooAsset.Editor
 				// 分组激活规则
 				var activeRuleContainer = root.Q("ActiveRuleContainer");
 				{
-					_activeRulePopupField = new PopupField<string>("Active Rule", _activeRuleList, 0);
+					_activeRulePopupField = new PopupField<RuleDisplayName>("Active Rule", _activeRuleList, 0);
 					_activeRulePopupField.name = "ActiveRuleMaskField";
 					_activeRulePopupField.style.unityTextAlign = TextAnchor.MiddleLeft;
-					activeRuleContainer.Add(_activeRulePopupField);
+					_activeRulePopupField.formatListItemCallback = FormatListItemCallback;
+					_activeRulePopupField.formatSelectedValueCallback = FormatSelectedValueCallback;
 					_activeRulePopupField.RegisterValueChangedCallback(evt =>
 					{
 						var selectPackage = _packageListView.selectedItem as AssetBundleCollectorPackage;
 						var selectGroup = _groupListView.selectedItem as AssetBundleCollectorGroup;
 						if (selectPackage != null && selectGroup != null)
 						{
-							selectGroup.ActiveRuleName = evt.newValue;
+							selectGroup.ActiveRuleName = evt.newValue.ClassName;
 							AssetBundleCollectorSettingData.ModifyGroup(selectPackage, selectGroup);
 							FillGroupViewData();
 						}
 					});
+					activeRuleContainer.Add(_activeRulePopupField);
 				}
 
 				// 刷新窗体
@@ -290,6 +300,9 @@ namespace YooAsset.Editor
 		{
 			_showPackageToogle.SetValueWithoutNotify(AssetBundleCollectorSettingData.Setting.ShowPackageView);
 			_enableAddressableToogle.SetValueWithoutNotify(AssetBundleCollectorSettingData.Setting.EnableAddressable);
+			_uniqueBundleNameToogle.SetValueWithoutNotify(AssetBundleCollectorSettingData.Setting.UniqueBundleName);
+			_showEditorAliasToggle.SetValueWithoutNotify(AssetBundleCollectorSettingData.Setting.ShowEditorAlias);
+
 			_groupContainer.visible = false;
 			_collectorContainer.visible = false;
 
@@ -321,6 +334,20 @@ namespace YooAsset.Editor
 		{
 			AssetBundleCollectorSettingData.SaveFile();
 		}
+		private string FormatListItemCallback(RuleDisplayName ruleDisplayName)
+		{
+			if (_showEditorAliasToggle.value)
+				return ruleDisplayName.DisplayName;
+			else
+				return ruleDisplayName.ClassName;
+		}
+		private string FormatSelectedValueCallback(RuleDisplayName ruleDisplayName)
+		{
+			if (_showEditorAliasToggle.value)
+				return ruleDisplayName.DisplayName;
+			else
+				return ruleDisplayName.ClassName;
+		}
 
 		// 包裹列表相关
 		private void FillPackageViewData()
@@ -334,7 +361,7 @@ namespace YooAsset.Editor
 			{
 				_packageListView.selectedIndex = _lastModifyPackageIndex;
 			}
-			
+
 			if (_showPackageToogle.value)
 				_packageContainer.style.display = DisplayStyle.Flex;
 			else
@@ -410,7 +437,7 @@ namespace YooAsset.Editor
 			_groupListView.itemsSource = selectPackage.Groups;
 			_groupListView.Rebuild();
 
-			if(_lastModifyGroupIndex >=0 && _lastModifyGroupIndex < _groupListView.itemsSource.Count)
+			if (_lastModifyGroupIndex >= 0 && _lastModifyGroupIndex < _groupListView.itemsSource.Count)
 			{
 				_groupListView.selectedIndex = _lastModifyGroupIndex;
 			}
@@ -460,7 +487,7 @@ namespace YooAsset.Editor
 
 			_collectorContainer.visible = true;
 			_lastModifyGroupIndex = _groupListView.selectedIndex;
-			_activeRulePopupField.SetValueWithoutNotify(selectGroup.ActiveRuleName);
+			_activeRulePopupField.SetValueWithoutNotify(GetActiveRuleIndex(selectGroup.ActiveRuleName));
 			_groupNameTxt.SetValueWithoutNotify(selectGroup.GroupName);
 			_groupDescTxt.SetValueWithoutNotify(selectGroup.GroupDesc);
 			_groupAssetTagsTxt.SetValueWithoutNotify(selectGroup.AssetTags);
@@ -564,21 +591,21 @@ namespace YooAsset.Editor
 			}
 			if (_enableAddressableToogle.value)
 			{
-				var popupField = new PopupField<string>(_addressRuleList, 0);
+				var popupField = new PopupField<RuleDisplayName>(_addressRuleList, 0);
 				popupField.name = "PopupField1";
 				popupField.style.unityTextAlign = TextAnchor.MiddleLeft;
 				popupField.style.width = 200;
 				elementBottom.Add(popupField);
 			}
 			{
-				var popupField = new PopupField<string>(_packRuleList, 0);
+				var popupField = new PopupField<RuleDisplayName>(_packRuleList, 0);
 				popupField.name = "PopupField2";
 				popupField.style.unityTextAlign = TextAnchor.MiddleLeft;
-				popupField.style.width = 150;
+				popupField.style.width = 230;
 				elementBottom.Add(popupField);
 			}
 			{
-				var popupField = new PopupField<string>(_filterRuleList, 0);
+				var popupField = new PopupField<RuleDisplayName>(_filterRuleList, 0);
 				popupField.name = "PopupField3";
 				popupField.style.unityTextAlign = TextAnchor.MiddleLeft;
 				popupField.style.width = 150;
@@ -667,7 +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)
 				{
@@ -676,13 +703,15 @@ namespace YooAsset.Editor
 			});
 
 			// Address Rule
-			var popupField1 = element.Q<PopupField<string>>("PopupField1");
+			var popupField1 = element.Q<PopupField<RuleDisplayName>>("PopupField1");
 			if (popupField1 != null)
 			{
 				popupField1.index = GetAddressRuleIndex(collector.AddressRuleName);
+				popupField1.formatListItemCallback = FormatListItemCallback;
+				popupField1.formatSelectedValueCallback = FormatSelectedValueCallback;
 				popupField1.RegisterValueChangedCallback(evt =>
 				{
-					collector.AddressRuleName = evt.newValue;
+					collector.AddressRuleName = evt.newValue.ClassName;
 					AssetBundleCollectorSettingData.ModifyCollector(selectGroup, collector);
 					if (foldout.value)
 					{
@@ -692,11 +721,13 @@ namespace YooAsset.Editor
 			}
 
 			// Pack Rule
-			var popupField2 = element.Q<PopupField<string>>("PopupField2");
+			var popupField2 = element.Q<PopupField<RuleDisplayName>>("PopupField2");
 			popupField2.index = GetPackRuleIndex(collector.PackRuleName);
+			popupField2.formatListItemCallback = FormatListItemCallback;
+			popupField2.formatSelectedValueCallback = FormatSelectedValueCallback;
 			popupField2.RegisterValueChangedCallback(evt =>
 			{
-				collector.PackRuleName = evt.newValue;
+				collector.PackRuleName = evt.newValue.ClassName;
 				AssetBundleCollectorSettingData.ModifyCollector(selectGroup, collector);
 				if (foldout.value)
 				{
@@ -705,11 +736,13 @@ namespace YooAsset.Editor
 			});
 
 			// Filter Rule
-			var popupField3 = element.Q<PopupField<string>>("PopupField3");
+			var popupField3 = element.Q<PopupField<RuleDisplayName>>("PopupField3");
 			popupField3.index = GetFilterRuleIndex(collector.FilterRuleName);
+			popupField3.formatListItemCallback = FormatListItemCallback;
+			popupField3.formatSelectedValueCallback = FormatSelectedValueCallback;
 			popupField3.RegisterValueChangedCallback(evt =>
 			{
-				collector.FilterRuleName = evt.newValue;
+				collector.FilterRuleName = evt.newValue.ClassName;
 				AssetBundleCollectorSettingData.ModifyCollector(selectGroup, collector);
 				if (foldout.value)
 				{
@@ -815,7 +848,7 @@ namespace YooAsset.Editor
 		{
 			for (int i = 0; i < _addressRuleList.Count; i++)
 			{
-				if (_addressRuleList[i] == ruleName)
+				if (_addressRuleList[i].ClassName == ruleName)
 					return i;
 			}
 			return 0;
@@ -824,7 +857,7 @@ namespace YooAsset.Editor
 		{
 			for (int i = 0; i < _packRuleList.Count; i++)
 			{
-				if (_packRuleList[i] == ruleName)
+				if (_packRuleList[i].ClassName == ruleName)
 					return i;
 			}
 			return 0;
@@ -833,11 +866,20 @@ namespace YooAsset.Editor
 		{
 			for (int i = 0; i < _filterRuleList.Count; i++)
 			{
-				if (_filterRuleList[i] == ruleName)
+				if (_filterRuleList[i].ClassName == ruleName)
 					return i;
 			}
 			return 0;
 		}
+		private RuleDisplayName GetActiveRuleIndex(string ruleName)
+		{
+			for (int i = 0; i < _activeRuleList.Count; i++)
+			{
+				if (_activeRuleList[i].ClassName == ruleName)
+					return _activeRuleList[i];
+			}
+			return _activeRuleList[0];
+		}
 	}
 }
 #endif

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorWindow.uxml

@@ -1,4 +1,4 @@
-<ui:UXML xmlns:ui="UnityEngine.UIElements" xmlns:uie="UnityEditor.UIElements" xsi="http://www.w3.org/2001/XMLSchema-instance" engine="UnityEngine.UIElements" editor="UnityEditor.UIElements" noNamespaceSchemaLocation="../../UIElementsSchema/UIElements.xsd" editor-extension-mode="True">
+<ui:UXML xmlns:ui="UnityEngine.UIElements" xmlns:uie="UnityEditor.UIElements">
     <uie:Toolbar name="Toolbar" style="display: flex; flex-direction: row-reverse;">
         <ui:Button text="Save" display-tooltip-when-elided="true" name="SaveButton" style="width: 50px; background-color: rgb(56, 147, 58);" />
         <ui:Button text="导出" display-tooltip-when-elided="true" name="ExportButton" style="width: 50px; background-color: rgb(56, 147, 58);" />
@@ -7,6 +7,7 @@
     </uie:Toolbar>
     <ui:VisualElement name="PublicContainer" style="height: 30px; background-color: rgb(67, 67, 67); flex-direction: row; border-left-width: 5px; border-right-width: 5px; border-top-width: 5px; border-bottom-width: 5px;">
         <ui:Toggle label="Show Packages" name="ShowPackages" style="width: 196px; -unity-text-align: middle-left;" />
+        <ui:Toggle label="Show Editor Alias" name="ShowEditorAlias" style="width: 196px; -unity-text-align: middle-left;" />
         <ui:Toggle label="Enable Addressable" name="EnableAddressable" style="width: 196px; -unity-text-align: middle-left;" />
         <ui:Toggle label="Unique Bundle Name" name="UniqueBundleName" style="width: 196px; -unity-text-align: middle-left;" />
     </ui:VisualElement>

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/DefaultActiveRule.cs

@@ -1,9 +1,7 @@
 
 namespace YooAsset.Editor
 {
-	/// <summary>
-	/// 启用分组
-	/// </summary>
+	[DisplayName("启用分组")]
 	public class EnableGroup : IActiveRule
 	{
 		public bool IsActiveGroup()
@@ -12,9 +10,7 @@ namespace YooAsset.Editor
 		}
 	}
 
-	/// <summary>
-	/// 禁用分组
-	/// </summary>
+	[DisplayName("禁用分组")]
 	public class DisableGroup : IActiveRule
 	{
 		public bool IsActiveGroup()

Assets/YooAsset/Editor/AssetBundleCollector/DefaultAddressRule.cs

@@ -2,9 +2,7 @@
 
 namespace YooAsset.Editor
 {
-	/// <summary>
-	/// 以文件名为定位地址
-	/// </summary>
+	[DisplayName("以文件名称为定位地址")]
 	public class AddressByFileName : IAddressRule
 	{
 		string IAddressRule.GetAssetAddress(AddressRuleData data)
@@ -13,9 +11,7 @@ namespace YooAsset.Editor
 		}
 	}
 
-	/// <summary>
-	/// 以组名+文件名为定位地址
-	/// </summary>
+	[DisplayName("以分组名称+文件名称为定位地址")]
 	public class AddressByGroupAndFileName : IAddressRule
 	{
 		string IAddressRule.GetAssetAddress(AddressRuleData data)
@@ -25,9 +21,7 @@ namespace YooAsset.Editor
 		}
 	}
 
-	/// <summary>
-	/// 以收集器名+文件名为定位地址
-	/// </summary>
+	[DisplayName("以收集器名称+文件名称为定位地址")]
 	public class AddressByCollectorAndFileName : IAddressRule
 	{
 		string IAddressRule.GetAssetAddress(AddressRuleData data)

Assets/YooAsset/Editor/AssetBundleCollector/DefaultFilterRule.cs

@@ -4,9 +4,7 @@ using System.IO;
 
 namespace YooAsset.Editor
 {
-	/// <summary>
-	/// 收集所有资源
-	/// </summary>
+	[DisplayName("收集所有资源")]
 	public class CollectAll : IFilterRule
 	{
 		public bool IsCollectAsset(FilterRuleData data)
@@ -15,9 +13,7 @@ namespace YooAsset.Editor
 		}
 	}
 
-	/// <summary>
-	/// 只收集场景
-	/// </summary>
+	[DisplayName("收集场景")]
 	public class CollectScene : IFilterRule
 	{
 		public bool IsCollectAsset(FilterRuleData data)
@@ -25,10 +21,8 @@ namespace YooAsset.Editor
 			return Path.GetExtension(data.AssetPath) == ".unity";
 		}
 	}
-	
-	/// <summary>
-	/// 只收集预制体
-	/// </summary>
+
+	[DisplayName("收集预制体")]
 	public class CollectPrefab : IFilterRule
 	{
 		public bool IsCollectAsset(FilterRuleData data)
@@ -37,15 +31,13 @@ namespace YooAsset.Editor
 		}
 	}
 
-	/// <summary>
-	/// 只收集精灵类型的资源
-	/// </summary>
+	[DisplayName("收集精灵类型的纹理")]
 	public class CollectSprite : IFilterRule
 	{
 		public bool IsCollectAsset(FilterRuleData data)
 		{
 			var mainAssetType = AssetDatabase.GetMainAssetTypeAtPath(data.AssetPath);
-			if(mainAssetType == typeof(Texture2D))
+			if (mainAssetType == typeof(Texture2D))
 			{
 				var texImporter = AssetImporter.GetAtPath(data.AssetPath) as TextureImporter;
 				if (texImporter != null && texImporter.textureType == TextureImporterType.Sprite)
@@ -60,9 +52,7 @@ namespace YooAsset.Editor
 		}
 	}
 
-	/// <summary>
-	/// 只收集着色器变种收集文件
-	/// </summary>
+	[DisplayName("收集着色器变种集合")]
 	public class CollectShaderVariants : IFilterRule
 	{
 		public bool IsCollectAsset(FilterRuleData data)

Assets/YooAsset/Editor/AssetBundleCollector/DefaultPackRule.cs

@@ -10,12 +10,12 @@ namespace YooAsset.Editor
 	/// 例如："Assets/UIPanel/Shop/Image/backgroud.png" --> "assets_uipanel_shop_image_backgroud.bundle"
 	/// 例如："Assets/UIPanel/Shop/View/main.prefab" --> "assets_uipanel_shop_view_main.bundle"
 	/// </summary>
+	[DisplayName("以文件路径作为资源包名")]
 	public class PackSeparately : IPackRule
 	{
 		string IPackRule.GetBundleName(PackRuleData data)
 		{
-			string bundleName = StringUtility.RemoveExtension(data.AssetPath);
-			return EditorTools.GetRegularPath(bundleName).Replace('/', '_');
+			return StringUtility.RemoveExtension(data.AssetPath);
 		}
 	}
 
@@ -25,14 +25,14 @@ namespace YooAsset.Editor
 	/// 例如："Assets/UIPanel/Shop/Image/backgroud.png" --> "assets_uipanel_shop_image.bundle"
 	/// 例如："Assets/UIPanel/Shop/View/main.prefab" --> "assets_uipanel_shop_view.bundle"
 	/// </summary>
+	[DisplayName("以父类文件夹路径作为资源包名")]
 	public class PackDirectory : IPackRule
 	{
 		public static PackDirectory StaticPackRule = new PackDirectory();
 
 		string IPackRule.GetBundleName(PackRuleData data)
 		{
-			string bundleName = Path.GetDirectoryName(data.AssetPath);
-			return EditorTools.GetRegularPath(bundleName).Replace('/', '_');
+			return Path.GetDirectoryName(data.AssetPath);
 		}
 	}
 
@@ -43,6 +43,7 @@ namespace YooAsset.Editor
 	/// 例如："Assets/UIPanel/Shop/Image/backgroud.png" --> "assets_uipanel_shop.bundle"
 	/// 例如："Assets/UIPanel/Shop/View/main.prefab" --> "assets_uipanel_shop.bundle"
 	/// </summary>
+	[DisplayName("以收集器路径下顶级文件夹为资源包名")]
 	public class PackTopDirectory : IPackRule
 	{
 		string IPackRule.GetBundleName(PackRuleData data)
@@ -55,7 +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
 			{
@@ -68,6 +69,7 @@ namespace YooAsset.Editor
 	/// 以收集器路径作为资源包名
 	/// 注意：收集的所有文件打进一个资源包
 	/// </summary>
+	[DisplayName("以收集器路径作为资源包名")]
 	public class PackCollector : IPackRule
 	{
 		string IPackRule.GetBundleName(PackRuleData data)
@@ -75,13 +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);
 			}
 		}
 	}
@@ -90,6 +90,7 @@ namespace YooAsset.Editor
 	/// 以分组名称作为资源包名
 	/// 注意：收集的所有文件打进一个资源包
 	/// </summary>
+	[DisplayName("以分组名称作为资源包名")]
 	public class PackGroup : IPackRule
 	{
 		string IPackRule.GetBundleName(PackRuleData data)
@@ -99,9 +100,10 @@ namespace YooAsset.Editor
 	}
 
 	/// <summary>
-	/// 原生文件打包模式
+	/// 打包原生文件
 	/// 注意：原生文件打包支持：图片，音频，视频，文本
 	/// </summary>
+	[DisplayName("打包原生文件")]
 	public class PackRawFile : IPackRule
 	{
 		string IPackRule.GetBundleName(PackRuleData data)
@@ -120,14 +122,14 @@ namespace YooAsset.Editor
 			if (depends.Length != 1)
 				throw new Exception($"{nameof(PackRawFile)} is not support estension : {extension}");
 
-			string bundleName = StringUtility.RemoveExtension(data.AssetPath);
-			return EditorTools.GetRegularPath(bundleName).Replace('/', '_');
+			return data.AssetPath;
 		}
 	}
 
 	/// <summary>
-	/// 着色器变种收集文件
+	/// 打包着色器变种集合
 	/// </summary>
+	[DisplayName("打包着色器变种集合")]
 	public class PackShaderVariants : IPackRule
 	{
 		public string GetBundleName(PackRuleData data)

Assets/YooAsset/Editor/AssetBundleCollector/RuleDisplayName.cs

@@ -0,0 +1,9 @@
+
+namespace YooAsset.Editor
+{
+	public class RuleDisplayName
+	{
+		public string ClassName;
+		public string DisplayName;
+	}
+}

Assets/YooAsset/Editor/AssetBundleCollector/RuleDisplayName.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: c4b754a3b15abc44fa2727f57721e18b
+guid: df712711c3830af419b7ada8fee53dda
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/YooAsset/Editor/AssetBundleDebugger/VisualViewers/DebuggerAssetListViewer.cs

@@ -220,7 +220,7 @@ namespace YooAsset.Editor
 
 			// Status
 			StyleColor textColor;
-			if (providerInfo.Status == (int)ProviderBase.EStatus.Fail)
+			if (providerInfo.Status == ProviderBase.EStatus.Failed.ToString())
 				textColor = new StyleColor(Color.yellow);
 			else
 				textColor = label1.style.color;

Assets/YooAsset/Editor/AssetBundleDebugger/VisualViewers/DebuggerBundleListViewer.cs

@@ -185,7 +185,7 @@ namespace YooAsset.Editor
 
 			// Status
 			StyleColor textColor;
-			if (bundleInfo.Status == (int)BundleLoaderBase.EStatus.Failed)
+			if (bundleInfo.Status == BundleLoaderBase.EStatus.Failed.ToString())
 				textColor = new StyleColor(Color.yellow);
 			else
 				textColor = label1.style.color;

Assets/YooAsset/Editor/AssetBundleReporter/AssetBundleReporterWindow.cs

@@ -109,7 +109,7 @@ namespace YooAsset.Editor
 				return;
 
 			_reportFilePath = selectFilePath;
-			string jsonData = FileUtility.ReadFile(_reportFilePath);
+			string jsonData = FileUtility.ReadAllText(_reportFilePath);
 			_buildReport = BuildReport.Deserialize(jsonData);
 			_assetListViewer.FillViewData(_buildReport, _searchKeyWord);
 			_bundleListViewer.FillViewData(_buildReport, _reportFilePath, _searchKeyWord);

Assets/YooAsset/Editor/EditorAttribute.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Reflection;
+
+namespace YooAsset.Editor
+{
+	/// <summary>
+	/// 编辑器显示名字
+	/// </summary>
+	public class DisplayNameAttribute : Attribute
+	{
+		public string DisplayName;
+
+		public DisplayNameAttribute(string name)
+		{
+			this.DisplayName = name;
+		}
+	}
+
+	public static class EditorAttribute
+	{
+		internal static T GetAttribute<T>(Type type) where T : Attribute
+		{
+			return (T)type.GetCustomAttribute(typeof(T), false);
+		}
+
+		internal static T GetAttribute<T>(MethodInfo methodInfo) where T : Attribute
+		{
+			return (T)methodInfo.GetCustomAttribute(typeof(T), false);
+		}
+
+		internal static T GetAttribute<T>(FieldInfo field) where T : Attribute
+		{
+			return (T)field.GetCustomAttribute(typeof(T), false);
+		}
+	}
+}

Assets/YooAsset/Editor/EditorAttribute.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 223f217ed81460541b5ea7eb7a7d82a4
+guid: 92d5f73b21059af43b7f56165b7acd63
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

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;
@@ -73,15 +75,15 @@ namespace YooAsset
 			{
 				provider.Destroy();
 			}
+			_providers.Clear();
+
 			foreach (var loader in _loaders)
 			{
 				loader.Destroy(true);
 			}
-
-			_providers.Clear();
 			_loaders.Clear();
-			ClearSceneHandle();
 
+			ClearSceneHandle();
 			DecryptionServices = null;
 			BundleServices = null;
 		}
@@ -90,6 +92,15 @@ namespace YooAsset
 		/// 资源回收（卸载引用计数为零的资源）
 		/// </summary>
 		public void UnloadUnusedAssets()
+		{
+			// 注意：资源包之间可能存在多层深层嵌套，需要多次循环释放。
+			int loopCount = 10;
+			for (int i = 0; i < loopCount; i++)
+			{
+				UnloadUnusedAssetsInternal();
+			}
+		}
+		private void UnloadUnusedAssetsInternal()
 		{
 			if (_simulationOnEditor)
 			{
@@ -175,7 +186,7 @@ namespace YooAsset
 			}
 
 			var handle = provider.CreateHandle<SceneOperationHandle>();
-			handle.PackageName = BundleServices.GetPackageName();
+			handle.PackageName = _packageName;
 			_sceneHandles.Add(providerGUID, handle);
 			return handle;
 		}
@@ -289,19 +300,21 @@ namespace YooAsset
 		internal void ClearSceneHandle()
 		{
 			// 释放资源包下的所有场景
-			string packageName = BundleServices.GetPackageName();
-			List<string> removeList = new List<string>();
-			foreach (var valuePair in _sceneHandles)
+			if (BundleServices.IsServicesValid())
 			{
-				if (valuePair.Value.PackageName == packageName)
+				string packageName = _packageName;
+				List<string> removeList = new List<string>();
+				foreach (var valuePair in _sceneHandles)
 				{
-					removeList.Add(valuePair.Key);
+					if (valuePair.Value.PackageName == packageName)
+					{
+						removeList.Add(valuePair.Key);
+					}
+				}
+				foreach (var key in removeList)
+				{
+					_sceneHandles.Remove(key);
 				}
-			}
-
-			foreach (var key in removeList)
-			{
-				_sceneHandles.Remove(key);
 			}
 		}
 
@@ -390,7 +403,7 @@ namespace YooAsset
 				providerInfo.SpawnTime = provider.SpawnTime;
 				providerInfo.LoadingTime = provider.LoadingTime;
 				providerInfo.RefCount = provider.RefCount;
-				providerInfo.Status = (int)provider.Status;
+				providerInfo.Status = provider.Status.ToString();
 				providerInfo.DependBundleInfos = new List<DebugBundleInfo>();
 				result.Add(providerInfo);
 

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

@@ -1,9 +1,10 @@
-using UnityEngine;
+using System;
 using System.Collections.Generic;
+using UnityEngine;
 
 namespace YooAsset
 {
-	public sealed class AssetOperationHandle : OperationHandleBase
+	public sealed class AssetOperationHandle : OperationHandleBase, IDisposable
 	{
 		private System.Action<AssetOperationHandle> _callback;
 
@@ -22,7 +23,7 @@ namespace YooAsset
 		{
 			add
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					throw new System.Exception($"{nameof(AssetOperationHandle)} is invalid");
 				if (Provider.IsDone)
 					value.Invoke(this);
@@ -31,42 +32,18 @@ namespace YooAsset
 			}
 			remove
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					throw new System.Exception($"{nameof(AssetOperationHandle)} is invalid");
 				_callback -= value;
 			}
 		}
 
-		/// <summary>
-		/// 资源对象
-		/// </summary>
-		public UnityEngine.Object AssetObject
-		{
-			get
-			{
-				if (IsValid == false)
-					return null;
-				return Provider.AssetObject;
-			}
-		}
-
-		/// <summary>
-		/// 获取资源对象
-		/// </summary>
-		/// <typeparam name="TAsset">资源类型</typeparam>
-		public TAsset GetAssetObject<TAsset>() where TAsset : UnityEngine.Object
-		{
-			if (IsValid == false)
-				return null;
-			return Provider.AssetObject as TAsset;
-		}
-
 		/// <summary>
 		/// 等待异步执行完毕
 		/// </summary>
 		public void WaitForAsyncComplete()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return;
 			Provider.WaitForAsyncComplete();
 		}
@@ -79,6 +56,38 @@ namespace YooAsset
 			this.ReleaseInternal();
 		}
 
+		/// <summary>
+		/// 释放资源句柄
+		/// </summary>
+		public void Dispose()
+		{
+			this.ReleaseInternal();
+		}
+
+
+		/// <summary>
+		/// 资源对象
+		/// </summary>
+		public UnityEngine.Object AssetObject
+		{
+			get
+			{
+				if (IsValidWithWarning == false)
+					return null;
+				return Provider.AssetObject;
+			}
+		}
+
+		/// <summary>
+		/// 获取资源对象
+		/// </summary>
+		/// <typeparam name="TAsset">资源类型</typeparam>
+		public TAsset GetAssetObject<TAsset>() where TAsset : UnityEngine.Object
+		{
+			if (IsValidWithWarning == false)
+				return null;
+			return Provider.AssetObject as TAsset;
+		}
 
 		/// <summary>
 		/// 同步初始化游戏对象
@@ -124,7 +133,7 @@ namespace YooAsset
 
 		private GameObject InstantiateSyncInternal(Vector3 position, Quaternion rotation, Transform parent)
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return null;
 			if (Provider.AssetObject == null)
 				return null;

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

@@ -1,4 +1,5 @@
-using System.Collections;
+using System;
+using System.Collections;
 
 namespace YooAsset
 {
@@ -14,7 +15,6 @@ namespace YooAsset
 		}
 		internal abstract void InvokeCallback();
 
-
 		/// <summary>
 		/// 获取资源信息
 		/// </summary>
@@ -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>
@@ -30,11 +42,11 @@ namespace YooAsset
 		{
 			get
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					return EOperationStatus.None;
-				if (Provider.Status == ProviderBase.EStatus.Fail)
+				if (Provider.Status == ProviderBase.EStatus.Failed)
 					return EOperationStatus.Failed;
-				else if (Provider.Status == ProviderBase.EStatus.Success)
+				else if (Provider.Status == ProviderBase.EStatus.Succeed)
 					return EOperationStatus.Succeed;
 				else
 					return EOperationStatus.None;
@@ -48,7 +60,7 @@ namespace YooAsset
 		{
 			get
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					return string.Empty;
 				return Provider.LastError;
 			}
@@ -61,7 +73,7 @@ namespace YooAsset
 		{
 			get
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					return 0;
 				return Provider.Progress;
 			}
@@ -74,7 +86,7 @@ namespace YooAsset
 		{
 			get
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					return false;
 				return Provider.IsDone;
 			}
@@ -84,6 +96,20 @@ namespace YooAsset
 		/// 句柄是否有效
 		/// </summary>
 		public bool IsValid
+		{
+			get
+			{
+				if (Provider != null && Provider.IsDestroyed == false)
+					return true;
+				else
+					return false;
+			}
+		}
+
+		/// <summary>
+		/// 句柄是否有效
+		/// </summary>
+		internal bool IsValidWithWarning
 		{
 			get
 			{
@@ -102,26 +128,12 @@ namespace YooAsset
 			}
 		}
 
-		/// <summary>
-		/// 句柄是否有效
-		/// </summary>
-		public bool IsValidNoWarning
-		{
-			get
-			{
-				if (Provider != null && Provider.IsDestroyed == false)
-					return true;
-				else
-					return false;
-			}
-		}
-
 		/// <summary>
 		/// 释放句柄
 		/// </summary>
 		internal void ReleaseInternal()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return;
 			Provider.ReleaseHandle(this);
 			Provider = null;

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

@@ -1,9 +1,10 @@
-using System.IO;
+using System;
+using System.IO;
 using System.Text;
 
 namespace YooAsset
 {
-	public class RawFileOperationHandle : OperationHandleBase
+	public class RawFileOperationHandle : OperationHandleBase, IDisposable
 	{
 		private System.Action<RawFileOperationHandle> _callback;
 
@@ -22,7 +23,7 @@ namespace YooAsset
 		{
 			add
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					throw new System.Exception($"{nameof(RawFileOperationHandle)} is invalid");
 				if (Provider.IsDone)
 					value.Invoke(this);
@@ -31,7 +32,7 @@ namespace YooAsset
 			}
 			remove
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					throw new System.Exception($"{nameof(RawFileOperationHandle)} is invalid");
 				_callback -= value;
 			}
@@ -42,7 +43,7 @@ namespace YooAsset
 		/// </summary>
 		public void WaitForAsyncComplete()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return;
 			Provider.WaitForAsyncComplete();
 		}
@@ -54,14 +55,22 @@ namespace YooAsset
 		{
 			this.ReleaseInternal();
 		}
-		
+
+		/// <summary>
+		/// 释放资源句柄
+		/// </summary>
+		public void Dispose()
+		{
+			this.ReleaseInternal();
+		}
+
 
 		/// <summary>
 		/// 获取原生文件的二进制数据
 		/// </summary>
 		public byte[] GetRawFileData()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return null;
 			string filePath = Provider.RawFilePath;
 			if (File.Exists(filePath) == false)
@@ -74,7 +83,7 @@ namespace YooAsset
 		/// </summary>
 		public string GetRawFileText()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return null;
 			string filePath = Provider.RawFilePath;
 			if (File.Exists(filePath) == false)
@@ -87,7 +96,7 @@ namespace YooAsset
 		/// </summary>
 		public string GetRawFilePath()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return string.Empty;
 			return Provider.RawFilePath;
 		}

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

@@ -22,7 +22,7 @@ namespace YooAsset
 		{
 			add
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					throw new System.Exception($"{nameof(SceneOperationHandle)} is invalid");
 				if (Provider.IsDone)
 					value.Invoke(this);
@@ -31,7 +31,7 @@ namespace YooAsset
 			}
 			remove
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					throw new System.Exception($"{nameof(SceneOperationHandle)} is invalid");
 				_callback -= value;
 			}
@@ -44,7 +44,7 @@ namespace YooAsset
 		{
 			get
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					return new Scene();
 				return Provider.SceneObject;
 			}
@@ -55,7 +55,7 @@ namespace YooAsset
 		/// </summary>
 		public bool ActivateScene()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return false;
 
 			if (SceneObject.IsValid() && SceneObject.isLoaded)
@@ -74,7 +74,7 @@ namespace YooAsset
 		/// </summary>
 		public bool IsMainScene()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return false;
 
 			if (Provider is DatabaseSceneProvider)
@@ -99,7 +99,7 @@ namespace YooAsset
 		public UnloadSceneOperation UnloadAsync()
 		{
 			// 如果句柄无效
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 			{
 				string error = $"{nameof(SceneOperationHandle)} is invalid.";
 				var operation = new UnloadSceneOperation(error);

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

@@ -1,8 +1,9 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace YooAsset
 {
-	public sealed class SubAssetsOperationHandle : OperationHandleBase
+	public sealed class SubAssetsOperationHandle : OperationHandleBase, IDisposable
 	{
 		private System.Action<SubAssetsOperationHandle> _callback;
 
@@ -21,7 +22,7 @@ namespace YooAsset
 		{
 			add
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					throw new System.Exception($"{nameof(SubAssetsOperationHandle)} is invalid");
 				if (Provider.IsDone)
 					value.Invoke(this);
@@ -30,31 +31,18 @@ namespace YooAsset
 			}
 			remove
 			{
-				if (IsValid == false)
+				if (IsValidWithWarning == false)
 					throw new System.Exception($"{nameof(SubAssetsOperationHandle)} is invalid");
 				_callback -= value;
 			}
 		}
 
-		/// <summary>
-		/// 子资源对象集合
-		/// </summary>
-		public UnityEngine.Object[] AllAssetObjects
-		{
-			get
-			{
-				if (IsValid == false)
-					return null;
-				return Provider.AllAssetObjects;
-			}
-		}
-
 		/// <summary>
 		/// 等待异步执行完毕
 		/// </summary>
 		public void WaitForAsyncComplete()
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return;
 			Provider.WaitForAsyncComplete();
 		}
@@ -67,6 +55,27 @@ namespace YooAsset
 			this.ReleaseInternal();
 		}
 
+		/// <summary>
+		/// 释放资源句柄
+		/// </summary>
+		public void Dispose()
+		{
+			this.ReleaseInternal();
+		}
+
+
+		/// <summary>
+		/// 子资源对象集合
+		/// </summary>
+		public UnityEngine.Object[] AllAssetObjects
+		{
+			get
+			{
+				if (IsValidWithWarning == false)
+					return null;
+				return Provider.AllAssetObjects;
+			}
+		}
 
 		/// <summary>
 		/// 获取子资源对象
@@ -75,7 +84,7 @@ namespace YooAsset
 		/// <param name="assetName">子资源对象名称</param>
 		public TObject GetSubAssetObject<TObject>(string assetName) where TObject : UnityEngine.Object
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return null;
 
 			foreach (var assetObject in Provider.AllAssetObjects)
@@ -94,7 +103,7 @@ namespace YooAsset
 		/// <typeparam name="TObject">子资源对象类型</typeparam>
 		public TObject[] GetSubAssetObjects<TObject>() where TObject : UnityEngine.Object
 		{
-			if (IsValid == false)
+			if (IsValidWithWarning == false)
 				return null;
 
 			List<TObject> ret = new List<TObject>(Provider.AllAssetObjects.Length);

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;
 
@@ -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();
 			}
@@ -99,12 +99,12 @@ 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;
 				bundleInfo.RefCount = loader.RefCount;
-				bundleInfo.Status = (int)loader.Status;
+				bundleInfo.Status = loader.Status.ToString();
 				output.Add(bundleInfo);
 			}
 		}

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

@@ -16,7 +16,6 @@ namespace YooAsset
 		}
 
 		private ESteps _steps = ESteps.None;
-		private bool _isWaitForAsyncComplete = false;
 		private bool _isShowWaitForAsyncError = false;
 		private DownloaderBase _unpacker;
 		private DownloaderBase _downloader;
@@ -73,6 +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;
 
@@ -100,6 +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;
 
@@ -118,6 +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))
 				{
@@ -136,8 +143,6 @@ namespace YooAsset
 		/// </summary>
 		public override void WaitForAsyncComplete()
 		{
-			_isWaitForAsyncComplete = true;
-
 			int frame = 1000;
 			while (true)
 			{

Assets/YooAsset/Runtime/AssetSystem/Operations/InstantiateOperation.cs

@@ -41,7 +41,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.Clone)
 			{
-				if (_handle.IsValid == false)
+				if (_handle.IsValidWithWarning == false)
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;

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)
 		{
@@ -48,7 +39,7 @@ namespace YooAsset
 
 				if (DependBundleGroup.IsSucceed() == false)
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = DependBundleGroup.GetLastError();
 					InvokeCompletion();
 					return;
@@ -56,7 +47,7 @@ namespace YooAsset
 
 				if (OwnerBundle.Status != BundleLoaderBase.EStatus.Succeed)
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = OwnerBundle.LastError;
 					InvokeCompletion();
 					return;
@@ -66,7 +57,7 @@ namespace YooAsset
 				{
 					if (OwnerBundle.IsDestroyed)
 						throw new System.Exception("Should never get here !");
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = $"The bundle {OwnerBundle.MainBundleInfo.Bundle.BundleName} has been destroyed by unity bugs !";
 					YooLogger.Error(LastError);
 					InvokeCompletion();
@@ -109,14 +100,15 @@ namespace YooAsset
 					}
 					else
 					{
+						Progress = _cacheRequest.progress;
 						if (_cacheRequest.isDone == false)
 							return;
 						AssetObject = _cacheRequest.asset;
 					}
 				}
 
-				Status = AssetObject == null ? EStatus.Fail : EStatus.Success;
-				if (Status == EStatus.Fail)
+				Status = AssetObject == null ? EStatus.Failed : EStatus.Succeed;
+				if (Status == EStatus.Failed)
 				{
 					if (MainAssetInfo.AssetType == null)
 						LastError = $"Failed to load asset : {MainAssetInfo.AssetPath} AssetType : null AssetBundle : {OwnerBundle.MainBundleInfo.Bundle.BundleName}";

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>
@@ -43,7 +60,7 @@ namespace YooAsset
 			var bundleInfo = new DebugBundleInfo();
 			bundleInfo.BundleName = OwnerBundle.MainBundleInfo.Bundle.BundleName;
 			bundleInfo.RefCount = OwnerBundle.RefCount;
-			bundleInfo.Status = (int)OwnerBundle.Status;
+			bundleInfo.Status = OwnerBundle.Status.ToString();
 			output.Add(bundleInfo);
 
 			DependBundleGroup.GetBundleDebugInfos(output);

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)
 		{
 		}
@@ -41,7 +30,7 @@ namespace YooAsset
 
 				if (OwnerBundle.Status != BundleLoaderBase.EStatus.Succeed)
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = OwnerBundle.LastError;
 					InvokeCompletion();
 					return;
@@ -53,7 +42,7 @@ namespace YooAsset
 			if (Status == EStatus.Checking)
 			{
 				RawFilePath = OwnerBundle.FileLoadPath;
-				Status = EStatus.Success;
+				Status = EStatus.Succeed;
 				InvokeCompletion();
 			}
 		}

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)
 		{
@@ -52,7 +43,7 @@ namespace YooAsset
 
 				if (DependBundleGroup.IsSucceed() == false)
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = DependBundleGroup.GetLastError();
 					InvokeCompletion();
 					return;
@@ -60,7 +51,7 @@ namespace YooAsset
 
 				if (OwnerBundle.Status != BundleLoaderBase.EStatus.Succeed)
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = OwnerBundle.LastError;
 					InvokeCompletion();
 					return;
@@ -83,7 +74,7 @@ namespace YooAsset
 				}
 				else
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = $"Failed to load scene : {_sceneName}";
 					YooLogger.Error(LastError);
 					InvokeCompletion();
@@ -93,13 +84,14 @@ namespace YooAsset
 			// 3. 检测加载结果
 			if (Status == EStatus.Checking)
 			{
+				Progress = _asyncOp.progress;
 				if (_asyncOp.isDone)
 				{
 					if (SceneObject.IsValid() && _activateOnLoad)
 						SceneManager.SetActiveScene(SceneObject);
 
-					Status = SceneObject.IsValid() ? EStatus.Success : EStatus.Fail;
-					if (Status == EStatus.Fail)
+					Status = SceneObject.IsValid() ? EStatus.Succeed : EStatus.Failed;
+					if (Status == EStatus.Failed)
 					{
 						LastError = $"The load scene is invalid : {MainAssetInfo.AssetPath}";
 						YooLogger.Error(LastError);

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)
 		{
@@ -48,7 +39,7 @@ namespace YooAsset
 
 				if (DependBundleGroup.IsSucceed() == false)
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = DependBundleGroup.GetLastError();
 					InvokeCompletion();
 					return;
@@ -56,7 +47,7 @@ namespace YooAsset
 
 				if (OwnerBundle.Status != BundleLoaderBase.EStatus.Succeed)
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = OwnerBundle.LastError;
 					InvokeCompletion();
 					return;
@@ -98,14 +89,15 @@ namespace YooAsset
 					}
 					else
 					{
+						Progress = _cacheRequest.progress;
 						if (_cacheRequest.isDone == false)
 							return;
 						AllAssetObjects = _cacheRequest.allAssets;
 					}
 				}
 
-				Status = AllAssetObjects == null ? EStatus.Fail : EStatus.Success;
-				if (Status == EStatus.Fail)
+				Status = AllAssetObjects == null ? EStatus.Failed : EStatus.Succeed;
+				if (Status == EStatus.Failed)
 				{
 					if (MainAssetInfo.AssetType == null)
 						LastError = $"Failed to load sub assets : {MainAssetInfo.AssetPath} AssetType : null AssetBundle : {OwnerBundle.MainBundleInfo.Bundle.BundleName}";

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)
 		{
 		}
@@ -24,7 +13,7 @@ namespace YooAsset
 		{
 			if (Status == EStatus.None)
 			{
-				Status = EStatus.Fail;
+				Status = EStatus.Failed;
 				LastError = error;
 				InvokeCompletion();
 			}

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)
 		{
 		}
@@ -32,7 +21,7 @@ namespace YooAsset
 				string guid = UnityEditor.AssetDatabase.AssetPathToGUID(MainAssetInfo.AssetPath);
 				if (string.IsNullOrEmpty(guid))
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = $"Not found asset : {MainAssetInfo.AssetPath}";
 					YooLogger.Error(LastError);
 					InvokeCompletion();
@@ -59,8 +48,8 @@ namespace YooAsset
 			// 2. 检测加载结果
 			if (Status == EStatus.Checking)
 			{
-				Status = AssetObject == null ? EStatus.Fail : EStatus.Success;
-				if (Status == EStatus.Fail)
+				Status = AssetObject == null ? EStatus.Failed : EStatus.Succeed;
+				if (Status == EStatus.Failed)
 				{
 					if (MainAssetInfo.AssetType == null)
 						LastError = $"Failed to load asset object : {MainAssetInfo.AssetPath} AssetType : null";

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)
 		{
 		}
@@ -29,7 +18,7 @@ namespace YooAsset
 				string guid = UnityEditor.AssetDatabase.AssetPathToGUID(MainAssetInfo.AssetPath);
 				if (string.IsNullOrEmpty(guid))
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = $"Not found asset : {MainAssetInfo.AssetPath}";
 					YooLogger.Error(LastError);
 					InvokeCompletion();
@@ -46,7 +35,7 @@ namespace YooAsset
 			if(Status == EStatus.Checking)
 			{
 				RawFilePath = MainAssetInfo.AssetPath;
-				Status = EStatus.Success;
+				Status = EStatus.Succeed;
 				InvokeCompletion();
 			}
 #endif

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)
 		{
@@ -51,7 +42,7 @@ namespace YooAsset
 				}
 				else
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = $"Failed to load scene : {MainAssetInfo.AssetPath}";
 					YooLogger.Error(LastError);
 					InvokeCompletion();
@@ -61,13 +52,14 @@ namespace YooAsset
 			// 2. 检测加载结果
 			if (Status == EStatus.Checking)
 			{
+				Progress = _asyncOp.progress;
 				if (_asyncOp.isDone)
 				{				
 					if (SceneObject.IsValid() && _activateOnLoad)
 						SceneManager.SetActiveScene(SceneObject);
 
-					Status = SceneObject.IsValid() ? EStatus.Success : EStatus.Fail;
-					if (Status == EStatus.Fail)
+					Status = SceneObject.IsValid() ? EStatus.Succeed : EStatus.Failed;
+					if (Status == EStatus.Failed)
 					{
 						LastError = $"The loaded scene is invalid : {MainAssetInfo.AssetPath}";
 						YooLogger.Error(LastError);

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)
 		{
 		}
@@ -32,7 +21,7 @@ namespace YooAsset
 				string guid = UnityEditor.AssetDatabase.AssetPathToGUID(MainAssetInfo.AssetPath);
 				if (string.IsNullOrEmpty(guid))
 				{
-					Status = EStatus.Fail;
+					Status = EStatus.Failed;
 					LastError = $"Not found asset : {MainAssetInfo.AssetPath}";
 					YooLogger.Error(LastError);
 					InvokeCompletion();
@@ -70,8 +59,8 @@ namespace YooAsset
 			// 2. 检测加载结果
 			if (Status == EStatus.Checking)
 			{
-				Status = AllAssetObjects == null ? EStatus.Fail : EStatus.Success;
-				if (Status == EStatus.Fail)
+				Status = AllAssetObjects == null ? EStatus.Failed : EStatus.Succeed;
+				if (Status == EStatus.Failed)
 				{
 					if (MainAssetInfo.AssetType == null)
 						LastError = $"Failed to load sub assets : {MainAssetInfo.AssetPath} AssetType : null";

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

@@ -13,8 +13,8 @@ namespace YooAsset
 			CheckBundle,
 			Loading,
 			Checking,
-			Success,
-			Fail,
+			Succeed,
+			Failed,
 		}
 
 		/// <summary>
@@ -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>
@@ -80,18 +85,7 @@ namespace YooAsset
 		{
 			get
 			{
-				return Status == EStatus.Success || Status == EStatus.Fail;
-			}
-		}
-
-		/// <summary>
-		/// 加载进度
-		/// </summary>
-		public virtual float Progress
-		{
-			get
-			{
-				return 0;
+				return Status == EStatus.Succeed || Status == EStatus.Failed;
 			}
 		}
 
@@ -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>
@@ -219,11 +221,14 @@ 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)
 			{
-				if (hande.IsValid)
+				if (hande.IsValidWithWarning)
 				{
 					hande.InvokeCallback();
 				}

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)
 				{
@@ -78,6 +73,9 @@ namespace YooAsset
 		/// </summary>
 		public InitializationOperation InitializeAsync(InitializeParameters parameters)
 		{
+			// 注意：WebGL平台因为网络原因可能会初始化失败！
+			ResetInitializeAfterFailed();
+
 			// 检测初始化参数合法性
 			CheckInitializeParameters(parameters);
 
@@ -86,36 +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
 			{
@@ -127,6 +128,18 @@ namespace YooAsset
 			initializeOperation.Completed += InitializeOperation_Completed;
 			return initializeOperation;
 		}
+		private void ResetInitializeAfterFailed()
+		{
+			if (_isInitialize && _initializeStatus == EOperationStatus.Failed)
+			{
+				_isInitialize = false;
+				_initializeStatus = EOperationStatus.None;
+				_initializeError = string.Empty;
+				_bundleServices = null;
+				_playModeServices = null;
+				_assetSystemImpl = null;
+			}
+		}
 		private void CheckInitializeParameters(InitializeParameters parameters)
 		{
 			if (_isInitialize)
@@ -184,98 +197,54 @@ namespace YooAsset
 		/// <summary>
 		/// 向网络端请求最新的资源版本
 		/// </summary>
+		/// <param name="appendTimeTicks">在URL末尾添加时间戳</param>
 		/// <param name="timeout">超时时间（默认值：60秒）</param>
-		public UpdatePackageVersionOperation UpdatePackageVersionAsync(int timeout = 60)
+		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);
-			}
-			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;
 		}
@@ -286,22 +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>
@@ -374,7 +330,7 @@ namespace YooAsset
 		{
 			DebugCheckInitialize();
 			string[] tags = new string[] { tag };
-			return _bundleServices.GetAssetInfos(tags);
+			return _playModeServices.ActiveManifest.GetAssetsInfoByTags(tags);
 		}
 
 		/// <summary>
@@ -384,7 +340,7 @@ namespace YooAsset
 		public AssetInfo[] GetAssetInfos(string[] tags)
 		{
 			DebugCheckInitialize();
-			return _bundleServices.GetAssetInfos(tags);
+			return _playModeServices.ActiveManifest.GetAssetsInfoByTags(tags);
 		}
 
 		/// <summary>
@@ -405,7 +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
@@ -692,7 +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>
@@ -705,20 +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>
@@ -730,53 +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>
@@ -789,20 +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
 
@@ -816,7 +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>
@@ -828,26 +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>
@@ -858,58 +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
 
@@ -922,7 +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
 
@@ -936,31 +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
@@ -974,33 +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/DiagnosticSystem/DebugBundleInfo.cs

@@ -25,7 +25,7 @@ namespace YooAsset
 		/// <summary>
 		/// 加载状态
 		/// </summary>
-		public int Status;
+		public string Status;
 
 		public int CompareTo(DebugBundleInfo other)
 		{

Assets/YooAsset/Runtime/DiagnosticSystem/DebugProviderInfo.cs

@@ -40,7 +40,7 @@ namespace YooAsset
 		/// <summary>
 		/// 加载状态
 		/// </summary>
-		public int Status;
+		public string Status;
 
 		/// <summary>
 		/// 依赖的资源包列表

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: 60c7594328ef976408edadfdf2b9aa3d
+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 +30,12 @@ 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;
 				_webRequest = new UnityWebRequest(URL, UnityWebRequest.kHttpVerbGET);
 				DownloadHandlerFile handler = new DownloadHandlerFile(savePath);
 				handler.removeFileOnAbort = true;
@@ -96,5 +104,28 @@ 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

@@ -1,203 +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.GetPatchManifestFileName(_packageName, _packageVersion);
-				string webURL = GetPatchManifestRequestURL(fileName);
-				YooLogger.Log($"Beginning to request patch manifest : {webURL}");
-				_downloader = new UnityWebDataRequester();
-				_downloader.SendRequest(webURL, _timeout);
-				_steps = ESteps.CheckWebManifest;
-			}
-
-			if (_steps == ESteps.CheckWebManifest)
-			{
-				Progress = _downloader.Progress();
-				if (_downloader.IsDone() == false)
-					return;
-
-				// Check error
-				if (_downloader.HasError())
-				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = _downloader.GetError();
-				}
-				else
-				{
-					// 解析补丁清单
-					try
-					{
-						_remotePatchManifest = PatchManifest.Deserialize(_downloader.GetText());
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Succeed;
-					}
-					catch(System.Exception e)
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Failed;
-						Error = e.Message;
-					}
-				}
-				_downloader.Dispose();
-			}
-		}
-
-		/// <summary>
-		/// 创建包裹下载器
-		/// </summary>
-		public override PackageDownloaderOperation CreatePackageDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout)
-		{
-			if (Status == EOperationStatus.Succeed)
-			{
-				YooLogger.Log($"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}");
-					string jsonContent = FileUtility.ReadFile(_simulatePatchManifestPath);
-					var manifest = PatchManifest.Deserialize(jsonContent);
-					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");
 				}
 			}
 		}
@@ -190,426 +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.GetPatchManifestFileName(_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
-					{
-						Manifest = PatchManifest.Deserialize(_downloader.GetText());
-					}
-					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.GetPatchManifestFileName(_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

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: ec6bf912e76d0e84d8c58b9da0b020ce
+guid: ba3f4fc8cf6941f4a96ab928cec547e3
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

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 = _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 = _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: 6b03684bc5163694ab3983243512b4cc
+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 HostPlayModeImpl _impl;
+		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(HostPlayModeImpl impl, string packageName, string packageVersion, int timeout)
+		{
+			_impl = impl;
+			_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 _impl.GetPatchDownloadFallbackURL(fileName);
+			else
+				return _impl.GetPatchDownloadMainURL(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 @@
+fileFormatVersion: 2
+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 @@
+fileFormatVersion: 2
+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 HostPlayModeImpl _impl;
+		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(HostPlayModeImpl impl, string packageName, bool appendTimeTicks, int timeout)
+		{
+			_impl = impl;
+			_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 = _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/Operations/Internal/QueryRemotePackageVersionOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+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.GetPatchManifestFileName(_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
-					{
-						string content = _downloader2.GetText();
-						var manifest = PersistentHelper.SaveCacheManifestFile(_packageName, content);
-						_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

@@ -51,87 +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 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)
+		internal HostPlayModeUpdatePackageVersionOperation(HostPlayModeImpl impl, string packageName, bool appendTimeTicks, int timeout)
 		{
 			_impl = impl;
 			_packageName = packageName;
+			_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);
-
-			// 注意：在URL末尾添加时间戳
-			return $"{url}?{System.DateTime.UtcNow.Ticks}";
-		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs

@@ -109,15 +109,8 @@ namespace YooAsset
 		}
 
 
-		public PatchBundle(string bundleName, string fileHash, string fileCRC, long fileSize, bool isRawFile, byte loadMethod, string[] tags)
+		public PatchBundle()
 		{
-			BundleName = bundleName;
-			FileHash = fileHash;
-			FileCRC = fileCRC;
-			FileSize = fileSize;
-			IsRawFile = isRawFile;
-			LoadMethod = loadMethod;
-			Tags = tags;
 		}
 
 		/// <summary>
@@ -127,7 +120,7 @@ namespace YooAsset
 		{
 			_packageName = packageName;
 			_cacheKey = $"{packageName}-{FileHash}";
-			_fileName = PatchManifest.CreateBundleFileName(nameStype, BundleName, FileHash);
+			_fileName = PatchManifest.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;
@@ -264,80 +266,72 @@ namespace YooAsset
 			return result.ToArray();
 		}
 
-
 		/// <summary>
-		/// 序列化
+		/// 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 Serialize(string savePath, PatchManifest patchManifest)
+		/// <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(patchManifest);
-			FileUtility.CreateFile(savePath, json);
-		}
+			DebugCheckLocation(location);
 
-		/// <summary>
-		/// 反序列化
-		/// </summary>
-		public static PatchManifest Deserialize(string jsonData)
-		{
-			PatchManifest patchManifest = JsonUtility.FromJson<PatchManifest>(jsonData);
-			if (patchManifest == null)
-				throw new System.Exception($"{nameof(PatchManifest)} deserialize object is null !");
-
-			// 检测文件版本
-			if (patchManifest.FileVersion != YooAssetSettings.PatchManifestFileVersion)
-				throw new Exception($"The manifest file version are not compatible : {patchManifest.FileVersion} != {YooAssetSettings.PatchManifestFileVersion}");
-
-			// BundleList
-			foreach (var patchBundle in patchManifest.BundleList)
+			string assetPath = MappingToAssetPath(location);
+			if (TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
 			{
-				patchBundle.ParseBundle(patchManifest.PackageName, patchManifest.OutputNameStyle);
-				patchManifest.BundleDic.Add(patchBundle.BundleName, patchBundle);
+				AssetInfo assetInfo = new AssetInfo(patchAsset, assetType);
+				return assetInfo;
 			}
-
-			// AssetList
-			foreach (var patchAsset in patchManifest.AssetList)
+			else
 			{
-				// 注意：我们不允许原始路径存在重名
-				string assetPath = patchAsset.AssetPath;
-				if (patchManifest.AssetDic.ContainsKey(assetPath))
-					throw new Exception($"AssetPath have existed : {assetPath}");
+				string error;
+				if (string.IsNullOrEmpty(location))
+					error = $"The location is null or empty !";
 				else
-					patchManifest.AssetDic.Add(assetPath, patchAsset);
+					error = $"The location is invalid : {location}";
+				AssetInfo assetInfo = new AssetInfo(error);
+				return assetInfo;
 			}
-
-			return patchManifest;
 		}
 
 		/// <summary>
 		/// 生成Bundle文件的正式名称
 		/// </summary>
-		public static string CreateBundleFileName(int nameStype, string bundleName, string fileHash)
+		public static string CreateBundleFileName(int nameStyle, string bundleName, string fileHash, bool isRawFile)
 		{
-			if (nameStype == 1)
+			if (nameStyle == 1) //HashName
 			{
-				return fileHash;
+				string fileExtension = isRawFile ? YooAssetSettingsData.Setting.RawFileVariant : YooAssetSettingsData.Setting.AssetBundleFileVariant;
+				return StringUtility.Format("{0}.{1}", fileHash, fileExtension);
 			}
-			else if (nameStype == 2)
+			else if (nameStyle == 4) //BundleName_HashName
 			{
-				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 $"{tempBundleName}_{fileHash}{tempFileExtension}";
+				string fileName = bundleName.Remove(bundleName.LastIndexOf('.'));
+				string fileExtension = isRawFile ? YooAssetSettingsData.Setting.RawFileVariant : YooAssetSettingsData.Setting.AssetBundleFileVariant;
+				return StringUtility.Format("{0}_{1}.{2}", fileName, fileHash, fileExtension);
 			}
 			else
 			{
-				throw new NotImplementedException();
+				throw new NotImplementedException($"Invalid name style : {nameStyle}");
 			}
 		}
+
+		#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
 	}
 }