Update CHANGELOG.md

修复原生文件拷贝目录不存导致的加载失败
完善原生文件异步加载接口

Assets/YooAsset/CHANGELOG.md

@@ -2,6 +2,38 @@
 
 All notable changes to this package will be documented in this file.   
 
+## [1.0.4] - 2022-04-18
+
+### Fixed
+
+- 修复资源清单附加版本之后引发的一个流程错误。
+- 修复原生文件拷贝目录不存导致的加载失败。
+
+### Changed
+
+- 在编辑器下检测资源路径是否合法并警告。
+- 完善原生文件异步加载接口。
+
+## [1.0.3] - 2022-04-14
+
+### Fixed
+
+- 修复了AssetBundleDebugger窗口的BundleView视口下，Using列表显示不完整的问题。
+- 修复了AssetBundleDebugger窗口的BundleView视口下，Bundle列表内元素重复的问题。
+- 修复了特殊情况下依赖的资源包列表里包含主资源包的问题。
+
+### Changed
+
+- 实例化GameObject的时候，如果没有传递坐标和角度则使用默认值。
+- 优化了资源分组配置保存策略，修改为窗口关闭时保存。
+- 简化了资源版本概念，降低学习成本，统一了CDN上的目录结构。
+- 资源定位接口扩展，方便开发可寻址资产定位功能。
+
+### Added
+
+- 离线运行模式支持WEBGL平台。
+- 保留构建窗口界面的配置数据。
+
 ## [1.0.2] - 2022-04-07
 
 ### Fixed
@@ -11,7 +43,7 @@ All notable changes to this package will be documented in this file.
 
 ### Changed
 
-- StreamingAssets目录下增加了用于存放打包资源的总文件夹
+- StreamingAssets目录下增加了用于存放打包资源的总文件夹。
 
 ## [1.0.1] - 2022-04-07
 

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderHelper.cs

@@ -117,11 +117,11 @@ namespace YooAsset.Editor
 
 
 		/// <summary>
-		/// 从输出目录加载补丁清单文件
+		/// 加载补丁清单文件
 		/// </summary>
-		internal static PatchManifest LoadPatchManifestFile(string fileDirectory)
+		internal static PatchManifest LoadPatchManifestFile(string fileDirectory, int resourceVersion)
 		{
-			string filePath = $"{fileDirectory}/{YooAssetSettingsData.Setting.PatchManifestFileName}";
+			string filePath = $"{fileDirectory}/{YooAssetSettingsData.GetPatchManifestFileName(resourceVersion)}";
 			if (File.Exists(filePath) == false)
 			{
 				throw new System.Exception($"Not found patch manifest file : {filePath}");
@@ -130,5 +130,16 @@ namespace YooAsset.Editor
 			string jsonData = FileUtility.ReadFile(filePath);
 			return PatchManifest.Deserialize(jsonData);
 		}
+
+		/// <summary>
+		/// 获取旧的补丁清单
+		/// </summary>
+		internal static PatchManifest GetOldPatchManifest(string pipelineOutputDirectory)
+		{
+			string staticVersionFilePath = $"{pipelineOutputDirectory}/{YooAssetSettings.VersionFileName}";
+			string staticVersionContent = FileUtility.ReadFile(staticVersionFilePath);
+			int staticVersion = int.Parse(staticVersionContent);
+			return LoadPatchManifestFile(pipelineOutputDirectory, staticVersion);
+		}
 	}
 }

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderSetting.cs

@@ -0,0 +1,38 @@
+using System;
+using UnityEngine;
+
+namespace YooAsset.Editor
+{
+	public class AssetBundleBuilderSetting : ScriptableObject
+	{
+		/// <summary>
+		/// 构建版本号
+		/// </summary>
+		public int BuildVersion = 0;
+
+		/// <summary>
+		/// 压缩方式
+		/// </summary>
+		public ECompressOption CompressOption = ECompressOption.LZ4;
+
+		/// <summary>
+		/// 加密类名称
+		/// </summary>
+		public string EncyptionClassName = string.Empty;
+
+		/// <summary>
+		/// 附加后缀格式
+		/// </summary>
+		public bool AppendExtension = false;
+
+		/// <summary>
+		/// 强制构建
+		/// </summary>
+		public bool ForceRebuild = false;
+
+		/// <summary>
+		/// 内置标签
+		/// </summary>
+		public string BuildTags = string.Empty;
+	}
+}

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderSetting.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 09788b4733bab2d4792fdd5d28e7653c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderSettingData.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace YooAsset.Editor
+{
+	public class AssetBundleBuilderSettingData
+	{
+		private static AssetBundleBuilderSetting _setting = null;
+		public static AssetBundleBuilderSetting Setting
+		{
+			get
+			{
+				if (_setting == null)
+					LoadSettingData();
+				return _setting;
+			}
+		}
+
+		/// <summary>
+		/// 加载配置文件
+		/// </summary>
+		private static void LoadSettingData()
+		{
+			// 加载配置文件
+			_setting = AssetDatabase.LoadAssetAtPath<AssetBundleBuilderSetting>(EditorDefine.AssetBundleBuilderSettingFilePath);
+			if (_setting == null)
+			{
+				Debug.LogWarning($"Create new {nameof(AssetBundleBuilderSetting)}.asset : {EditorDefine.AssetBundleBuilderSettingFilePath}");
+				_setting = ScriptableObject.CreateInstance<AssetBundleBuilderSetting>();
+				EditorTools.CreateFileDirectory(EditorDefine.AssetBundleBuilderSettingFilePath);
+				AssetDatabase.CreateAsset(Setting, EditorDefine.AssetBundleBuilderSettingFilePath);
+				AssetDatabase.SaveAssets();
+				AssetDatabase.Refresh();
+			}
+			else
+			{
+				Debug.Log($"Load {nameof(AssetBundleBuilderSetting)}.asset ok");
+			}
+		}
+
+		/// <summary>
+		/// 存储文件
+		/// </summary>
+		public static void SaveFile()
+		{
+			if (Setting != null)
+			{
+				EditorUtility.SetDirty(Setting);
+				AssetDatabase.SaveAssets();
+				Debug.Log($"{nameof(AssetBundleBuilderSetting)}.asset is saved!");
+			}
+		}
+	}
+}

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderSettingData.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 24698266f028e4a47bb88f091fd64547
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderWindow.cs

@@ -61,23 +61,43 @@ namespace YooAsset.Editor
 				_buildOutputTxt.SetEnabled(false);
 
 				// 构建版本
-				var appVersion = new Version(Application.version);
 				_buildVersionField = root.Q<IntegerField>("BuildVersion");
-				_buildVersionField.SetValueWithoutNotify(appVersion.Revision);
+				_buildVersionField.SetValueWithoutNotify(AssetBundleBuilderSettingData.Setting.BuildVersion);
+				_buildVersionField.RegisterValueChangedCallback(evt =>
+				{
+					AssetBundleBuilderSettingData.Setting.BuildVersion = _buildVersionField.value;
+				});
 
 				// 压缩方式
 				_compressionField = root.Q<EnumField>("Compression");
-				_compressionField.Init(ECompressOption.LZ4);
-				_compressionField.SetValueWithoutNotify(ECompressOption.LZ4);
+				_compressionField.Init(AssetBundleBuilderSettingData.Setting.CompressOption);
+				_compressionField.SetValueWithoutNotify(AssetBundleBuilderSettingData.Setting.CompressOption);
 				_compressionField.style.width = 300;
+				_compressionField.RegisterValueChangedCallback(evt =>
+				{
+					AssetBundleBuilderSettingData.Setting.CompressOption = (ECompressOption)_compressionField.value;
+				});
 
 				// 加密方法
 				var encryptionContainer = root.Q("EncryptionContainer");
 				if (_encryptionServicesClassNames.Count > 0)
 				{
-					_encryptionField = new PopupField<string>(_encryptionServicesClassNames, 0);
+					int defaultIndex = 0;
+					for (int index = 0; index < _encryptionServicesClassNames.Count; index++)
+					{
+						if (_encryptionServicesClassNames[index] == AssetBundleBuilderSettingData.Setting.EncyptionClassName)
+						{
+							defaultIndex = index;
+							break;
+						}
+					}
+					_encryptionField = new PopupField<string>(_encryptionServicesClassNames, defaultIndex);
 					_encryptionField.label = "Encryption";
 					_encryptionField.style.width = 300;
+					_encryptionField.RegisterValueChangedCallback(evt =>
+					{
+						AssetBundleBuilderSettingData.Setting.EncyptionClassName = _encryptionField.value;
+					});
 					encryptionContainer.Add(_encryptionField);
 				}
 				else
@@ -90,18 +110,29 @@ namespace YooAsset.Editor
 
 				// 附加后缀格式
 				_appendExtensionToggle = root.Q<Toggle>("AppendExtension");
+				_appendExtensionToggle.SetValueWithoutNotify(AssetBundleBuilderSettingData.Setting.AppendExtension);
+				_appendExtensionToggle.RegisterValueChangedCallback(evt =>
+				{
+					AssetBundleBuilderSettingData.Setting.AppendExtension = _appendExtensionToggle.value;
+				});
 
 				// 强制构建
 				_forceRebuildToggle = root.Q<Toggle>("ForceRebuild");
-				_forceRebuildToggle.SetValueWithoutNotify(true);
+				_forceRebuildToggle.SetValueWithoutNotify(AssetBundleBuilderSettingData.Setting.ForceRebuild);
 				_forceRebuildToggle.RegisterValueChangedCallback(evt =>
 				{
+					AssetBundleBuilderSettingData.Setting.ForceRebuild = _forceRebuildToggle.value;
 					_buildTagsTxt.SetEnabled(_forceRebuildToggle.value);
 				});
 
 				// 内置标签
 				_buildTagsTxt = root.Q<TextField>("BuildinTags");
 				_buildTagsTxt.SetEnabled(_forceRebuildToggle.value);
+				_buildTagsTxt.SetValueWithoutNotify(AssetBundleBuilderSettingData.Setting.BuildTags);
+				_buildTagsTxt.RegisterValueChangedCallback(evt =>
+				{
+					AssetBundleBuilderSettingData.Setting.BuildTags = _buildTagsTxt.value;
+				});
 
 				// 构建按钮
 				var buildButton = root.Q<Button>("Build");
@@ -112,6 +143,10 @@ namespace YooAsset.Editor
 				Debug.LogError(e.ToString());
 			}
 		}
+		public void OnDestroy()
+		{
+			AssetBundleBuilderSettingData.SaveFile();
+		}
 
 		private void BuildButton_clicked()
 		{

Assets/YooAsset/Editor/AssetBundleBuilder/BuildReport/ReportBundleInfo.cs

@@ -27,11 +27,6 @@ namespace YooAsset.Editor
 		/// </summary>
 		public long SizeBytes;
 
-		/// <summary>
-		/// 文件版本
-		/// </summary>
-		public int Version;
-
 		/// <summary>
 		/// Tags
 		/// </summary>

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

@@ -15,21 +15,20 @@ namespace YooAsset.Editor
 		{
 			// 注意：我们只有在强制重建的时候才会拷贝
 			var buildParameters = context.GetContextObject<AssetBundleBuilder.BuildParametersContext>();
-			if(buildParameters.Parameters.ForceRebuild)
+			if (buildParameters.Parameters.ForceRebuild)
 			{
 				// 清空流目录
 				AssetBundleBuilderHelper.ClearStreamingAssetsFolder();
 
 				// 拷贝内置文件
-				var pipelineOutputDirectory = buildParameters.PipelineOutputDirectory;
-				CopyBuildinFilesToStreaming(pipelineOutputDirectory);
+				CopyBuildinFilesToStreaming(buildParameters.PipelineOutputDirectory, buildParameters.Parameters.BuildVersion);
 			}
 		}
 
-		private void CopyBuildinFilesToStreaming(string pipelineOutputDirectory)
+		private void CopyBuildinFilesToStreaming(string pipelineOutputDirectory, int buildVersion)
 		{
 			// 加载补丁清单
-			PatchManifest patchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(pipelineOutputDirectory);
+			PatchManifest patchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(pipelineOutputDirectory, buildVersion);
 
 			// 拷贝文件列表
 			foreach (var patchBundle in patchManifest.BundleList)
@@ -45,15 +44,22 @@ namespace YooAsset.Editor
 
 			// 拷贝清单文件
 			{
-				string sourcePath = $"{pipelineOutputDirectory}/{YooAssetSettingsData.Setting.PatchManifestFileName}";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{YooAssetSettingsData.Setting.PatchManifestFileName}";
+				string sourcePath = $"{pipelineOutputDirectory}/{YooAssetSettingsData.GetPatchManifestFileName(buildVersion)}";
+				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{YooAssetSettingsData.GetPatchManifestFileName(buildVersion)}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 
 			// 拷贝清单哈希文件
 			{
-				string sourcePath = $"{pipelineOutputDirectory}/{YooAssetSettingsData.Setting.PatchManifestHashFileName}";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{YooAssetSettingsData.Setting.PatchManifestHashFileName}";
+				string sourcePath = $"{pipelineOutputDirectory}/{YooAssetSettingsData.GetPatchManifestHashFileName(buildVersion)}";
+				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{YooAssetSettingsData.GetPatchManifestHashFileName(buildVersion)}";
+				EditorTools.CopyFile(sourcePath, destPath, true);
+			}
+
+			// 拷贝静态版本文件
+			{
+				string sourcePath = $"{pipelineOutputDirectory}/{YooAssetSettings.VersionFileName}";
+				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{YooAssetSettings.VersionFileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 

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

@@ -24,6 +24,8 @@ namespace YooAsset.Editor
 		private void CreatePatchManifestFile(AssetBundleBuilder.BuildParametersContext buildParameters,
 			BuildMapContext buildMapContext, TaskEncryption.EncryptionContext encryptionContext)
 		{
+			int resourceVersion = buildParameters.Parameters.BuildVersion;
+
 			// 创建新补丁清单
 			PatchManifest patchManifest = new PatchManifest();
 			patchManifest.ResourceVersion = buildParameters.Parameters.BuildVersion;
@@ -32,15 +34,21 @@ namespace YooAsset.Editor
 			patchManifest.AssetList = GetAllPatchAsset(buildMapContext, patchManifest);
 
 			// 创建补丁清单文件
-			string manifestFilePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettingsData.Setting.PatchManifestFileName}";
+			string manifestFilePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettingsData.GetPatchManifestFileName(resourceVersion)}";
 			UnityEngine.Debug.Log($"创建补丁清单文件：{manifestFilePath}");
 			PatchManifest.Serialize(manifestFilePath, patchManifest);
 
 			// 创建补丁清单哈希文件
-			string manifestHashFilePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettingsData.Setting.PatchManifestHashFileName}";
+			string manifestHashFilePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettingsData.GetPatchManifestHashFileName(resourceVersion)}";
 			string manifestHash = HashUtility.FileMD5(manifestFilePath);
 			UnityEngine.Debug.Log($"创建补丁清单哈希文件：{manifestHashFilePath}");
 			FileUtility.CreateFile(manifestHashFilePath, manifestHash);
+
+			// 创建静态版本文件
+			string staticVersionFilePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettings.VersionFileName}";
+			string staticVersion = resourceVersion.ToString();
+			UnityEngine.Debug.Log($"创建静态版本文件：{staticVersionFilePath}");
+			FileUtility.CreateFile(staticVersionFilePath, staticVersion);
 		}
 
 		/// <summary>
@@ -54,19 +62,12 @@ namespace YooAsset.Editor
 			// 内置标记列表
 			List<string> buildinTags = buildParameters.Parameters.GetBuildinTags();
 
-			// 加载旧补丁清单
-			PatchManifest oldPatchManifest = null;
-			if (buildParameters.Parameters.ForceRebuild == false)
-			{
-				oldPatchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(buildParameters.PipelineOutputDirectory);
-			}
-
 			foreach (var bundleInfo in buildMapContext.BundleInfos)
 			{
 				var bundleName = bundleInfo.BundleName;
 				string filePath = $"{buildParameters.PipelineOutputDirectory}/{bundleName}";
 				string hash = HashUtility.FileMD5(filePath);
-				string crc = HashUtility.FileCRC32(filePath);
+				string crc32 = HashUtility.FileCRC32(filePath);
 				long size = FileUtility.GetFileSize(filePath);
 				int version = buildParameters.Parameters.BuildVersion;
 				string[] tags = buildMapContext.GetAssetTags(bundleName);
@@ -80,14 +81,7 @@ namespace YooAsset.Editor
 					hash += bundleInfo.GetAppendExtension();
 				}
 
-				// 注意：如果文件没有变化使用旧版本号
-				if (oldPatchManifest != null && oldPatchManifest.Bundles.TryGetValue(bundleName, out PatchBundle value))
-				{
-					if (value.Hash == hash)
-						version = value.Version;
-				}
-
-				PatchBundle patchBundle = new PatchBundle(bundleName, hash, crc, size, version, tags);
+				PatchBundle patchBundle = new PatchBundle(bundleName, hash, crc32, size, tags);
 				patchBundle.SetFlagsValue(isEncrypted, isBuildin, isRawFile);
 				result.Add(patchBundle);
 			}
@@ -122,13 +116,13 @@ namespace YooAsset.Editor
 					PatchAsset patchAsset = new PatchAsset();
 					patchAsset.AssetPath = assetInfo.AssetPath;
 					patchAsset.BundleID = GetAssetBundleID(assetInfo.BundleName, patchManifest);
-					patchAsset.DependIDs = GetAssetBundleDependIDs(assetInfo, patchManifest);
+					patchAsset.DependIDs = GetAssetBundleDependIDs(patchAsset.BundleID, assetInfo, patchManifest);
 					result.Add(patchAsset);
 				}
 			}
 			return result;
 		}
-		private int[] GetAssetBundleDependIDs(BuildAssetInfo assetInfo, PatchManifest patchManifest)
+		private int[] GetAssetBundleDependIDs(int mainBundleID, BuildAssetInfo assetInfo, PatchManifest patchManifest)
 		{
 			List<int> result = new List<int>();
 			foreach (var dependAssetInfo in assetInfo.AllDependAssetInfos)
@@ -136,8 +130,11 @@ namespace YooAsset.Editor
 				if (dependAssetInfo.BundleNameIsValid() == false)
 					continue;
 				int bundleID = GetAssetBundleID(dependAssetInfo.BundleName, patchManifest);
-				if (result.Contains(bundleID) == false)
-					result.Add(bundleID);
+				if (mainBundleID != bundleID)
+				{
+					if (result.Contains(bundleID) == false)
+						result.Add(bundleID);
+				}
 			}
 			return result.ToArray();
 		}

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

@@ -19,31 +19,40 @@ namespace YooAsset.Editor
 		/// </summary>
 		private void CopyPatchFiles(AssetBundleBuilder.BuildParametersContext buildParameters)
 		{
+			int resourceVersion = buildParameters.Parameters.BuildVersion;
 			string packageDirectory = buildParameters.GetPackageDirectory();
-			UnityEngine.Debug.Log($"开始拷贝补丁文件到补丁包目录：{packageDirectory}");
+			UnityEngine.Debug.Log($"准备开始拷贝补丁文件到补丁包目录：{packageDirectory}");
 
 			// 拷贝Report文件
 			{
 				string sourcePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettings.ReportFileName}";
 				string destPath = $"{packageDirectory}/{YooAssetSettings.ReportFileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
-				UnityEngine.Debug.Log($"拷贝Report文件到：{destPath}");
+				UnityEngine.Debug.Log($"拷贝构建报告文件到：{destPath}");
 			}
 
-			// 拷贝PatchManifest文件
+			// 拷贝补丁清单文件
 			{
-				string sourcePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettingsData.Setting.PatchManifestFileName}";
-				string destPath = $"{packageDirectory}/{YooAssetSettingsData.Setting.PatchManifestFileName}";
+				string sourcePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettingsData.GetPatchManifestFileName(resourceVersion)}";
+				string destPath = $"{packageDirectory}/{YooAssetSettingsData.GetPatchManifestFileName(resourceVersion)}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
-				UnityEngine.Debug.Log($"拷贝PatchManifest文件到：{destPath}");
+				UnityEngine.Debug.Log($"拷贝补丁清单文件到：{destPath}");
 			}
 
-			// 拷贝PatchManifest哈希文件
+			// 拷贝补丁清单哈希文件
 			{
-				string sourcePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettingsData.Setting.PatchManifestHashFileName}";
-				string destPath = $"{packageDirectory}/{YooAssetSettingsData.Setting.PatchManifestHashFileName}";
+				string sourcePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettingsData.GetPatchManifestHashFileName(resourceVersion)}";
+				string destPath = $"{packageDirectory}/{YooAssetSettingsData.GetPatchManifestHashFileName(resourceVersion)}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
-				UnityEngine.Debug.Log($"拷贝PatchManifest哈希文件到：{destPath}");
+				UnityEngine.Debug.Log($"拷贝补丁清单哈希文件到：{destPath}");
+			}
+
+			// 拷贝静态版本文件
+			{
+				string sourcePath = $"{buildParameters.PipelineOutputDirectory}/{YooAssetSettings.VersionFileName}";
+				string destPath = $"{packageDirectory}/{YooAssetSettings.VersionFileName}";
+				EditorTools.CopyFile(sourcePath, destPath, true);
+				UnityEngine.Debug.Log($"拷贝静态版本文件到：{destPath}");
 			}
 
 			// 拷贝UnityManifest序列化文件
@@ -62,20 +71,16 @@ namespace YooAsset.Editor
 			}
 
 			// 拷贝所有补丁文件
-			// 注意：拷贝的补丁文件都是需要玩家热更新的文件
 			int progressValue = 0;
-			PatchManifest patchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(buildParameters.PipelineOutputDirectory);
+			PatchManifest patchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(buildParameters.PipelineOutputDirectory, buildParameters.Parameters.BuildVersion);
 			int patchFileTotalCount = patchManifest.BundleList.Count;
 			foreach (var patchBundle in patchManifest.BundleList)
 			{
-				if (patchBundle.Version == buildParameters.Parameters.BuildVersion)
-				{
-					string sourcePath = $"{buildParameters.PipelineOutputDirectory}/{patchBundle.BundleName}";
-					string destPath = $"{packageDirectory}/{patchBundle.Hash}";
-					EditorTools.CopyFile(sourcePath, destPath, true);
-					UnityEngine.Debug.Log($"拷贝补丁文件到补丁包：{patchBundle.BundleName}");
-					EditorTools.DisplayProgressBar("拷贝补丁文件", ++progressValue, patchFileTotalCount);
-				}
+				string sourcePath = $"{buildParameters.PipelineOutputDirectory}/{patchBundle.BundleName}";
+				string destPath = $"{packageDirectory}/{patchBundle.Hash}";
+				EditorTools.CopyFile(sourcePath, destPath, true);
+				UnityEngine.Debug.Log($"拷贝补丁文件到补丁包：{patchBundle.BundleName}");
+				EditorTools.DisplayProgressBar("拷贝补丁文件", ++progressValue, patchFileTotalCount);
 			}
 			EditorTools.ClearProgressBar();
 		}

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

@@ -18,7 +18,7 @@ namespace YooAsset.Editor
 
 		private void CreateReportFile(AssetBundleBuilder.BuildParametersContext buildParameters, BuildMapContext buildMapContext)
 		{
-			PatchManifest patchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(buildParameters.PipelineOutputDirectory);
+			PatchManifest patchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(buildParameters.PipelineOutputDirectory, buildParameters.Parameters.BuildVersion);
 			BuildReport buildReport = new BuildReport();
 			buildParameters.StopWatch();
 
@@ -79,7 +79,6 @@ namespace YooAsset.Editor
 				reportBundleInfo.Hash = patchBundle.Hash;
 				reportBundleInfo.CRC = patchBundle.CRC;
 				reportBundleInfo.SizeBytes = patchBundle.SizeBytes;
-				reportBundleInfo.Version = patchBundle.Version;
 				reportBundleInfo.Tags = patchBundle.Tags;
 				reportBundleInfo.Flags = patchBundle.Flags;
 				buildReport.BundleInfos.Add(reportBundleInfo);

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

@@ -43,7 +43,7 @@ namespace YooAsset.Editor
 					throw new Exception($"补丁包已经存在：{packageDirectory}");
 
 				// 检测内置资源分类标签是否一致
-				PatchManifest oldPatchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(buildParameters.PipelineOutputDirectory);
+				var oldPatchManifest = AssetBundleBuilderHelper.GetOldPatchManifest(buildParameters.PipelineOutputDirectory);
 				if (buildParameters.Parameters.BuildinTags != oldPatchManifest.BuildinTags)
 					throw new Exception($"增量更新时内置资源标签必须一致：{buildParameters.Parameters.BuildinTags} != {oldPatchManifest.BuildinTags}");
 			}

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

@@ -178,16 +178,6 @@ namespace YooAsset.Editor
 				element.Add(label);
 			}
 
-			{
-				var label = new Label();
-				label.name = "Label2";
-				label.style.unityTextAlign = TextAnchor.MiddleLeft;
-				label.style.marginLeft = 3f;
-				//label.style.flexGrow = 1f;
-				label.style.width = 100;
-				element.Add(label);
-			}
-
 			{
 				var label = new Label();
 				label.name = "Label3";
@@ -219,10 +209,6 @@ namespace YooAsset.Editor
 			var label1 = element.Q<Label>("Label1");
 			label1.text = bundleInfo.BundleName;
 
-			// Version
-			var label2 = element.Q<Label>("Label2");
-			label2.text = bundleInfo.Version.ToString();
-
 			// Ref Count
 			var label3 = element.Q<Label>("Label3");
 			label3.text = bundleInfo.RefCount.ToString();

Assets/YooAsset/Editor/AssetBundleDebugger/VisualViewers/AssetListDebuggerViewer.uxml

@@ -10,7 +10,6 @@
     <ui:VisualElement name="BottomGroup" style="height: 200px; border-left-width: 1px; border-right-width: 1px; border-top-width: 1px; border-bottom-width: 1px; border-left-color: rgb(0, 0, 0); border-right-color: rgb(0, 0, 0); border-top-color: rgb(0, 0, 0); border-bottom-color: rgb(0, 0, 0); margin-left: 0; margin-right: 0; margin-top: 1px; margin-bottom: 1px; display: flex;">
         <uie:Toolbar name="BottomBar" style="height: 25px; margin-left: 1px; margin-right: 1px;">
             <uie:ToolbarButton text="Depend Bundles" display-tooltip-when-elided="true" name="BottomBar1" style="width: 280px; -unity-text-align: middle-left; flex-grow: 1;" />
-            <uie:ToolbarButton text="Version" display-tooltip-when-elided="true" name="BottomBar2" style="width: 100px; -unity-text-align: middle-left;" />
             <uie:ToolbarButton text="Ref Count" display-tooltip-when-elided="true" name="BottomBar3" style="width: 100px; -unity-text-align: middle-left;" />
             <uie:ToolbarButton text="Status" display-tooltip-when-elided="true" name="BottomBar4" style="width: 120px; -unity-text-align: middle-left;" />
         </uie:Toolbar>

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

@@ -15,7 +15,7 @@ namespace YooAsset.Editor
 		private TemplateContainer _root;
 
 		private ListView _bundleListView;
-		private ListView _includeListView;
+		private ListView _usingListView;
 		private DebugReport _debugReport;
 
 		/// <summary>
@@ -35,7 +35,7 @@ namespace YooAsset.Editor
 			_root = _visualAsset.CloneTree();
 			_root.style.flexGrow = 1f;
 
-			// 资源列表
+			// 资源包列表
 			_bundleListView = _root.Q<ListView>("TopListView");
 			_bundleListView.makeItem = MakeAssetListViewItem;
 			_bundleListView.bindItem = BindAssetListViewItem;
@@ -45,10 +45,10 @@ namespace YooAsset.Editor
 #else
 			_bundleListView.onSelectionChanged += BundleListView_onSelectionChange;
 #endif
-			// 依赖列表
-			_includeListView = _root.Q<ListView>("BottomListView");
-			_includeListView.makeItem = MakeIncludeListViewItem;
-			_includeListView.bindItem = BindIncludeListViewItem;
+			// 使用列表
+			_usingListView = _root.Q<ListView>("BottomListView");
+			_usingListView.makeItem = MakeIncludeListViewItem;
+			_usingListView.bindItem = BindIncludeListViewItem;
 		}
 
 		/// <summary>
@@ -62,7 +62,7 @@ namespace YooAsset.Editor
 		}
 		private List<DebugBundleInfo> FilterViewItems(DebugReport debugReport, string searchKeyWord)
 		{
-			var result = new List<DebugBundleInfo>(debugReport.ProviderInfos.Count);
+			Dictionary<string, DebugBundleInfo> result = new Dictionary<string, DebugBundleInfo>(debugReport.ProviderInfos.Count);
 			foreach (var providerInfo in debugReport.ProviderInfos)
 			{
 				foreach(var bundleInfo in providerInfo.BundleInfos)
@@ -72,10 +72,11 @@ namespace YooAsset.Editor
 						if (bundleInfo.BundleName.Contains(searchKeyWord) == false)
 							continue;
 					}
-					result.Add(bundleInfo);
+					if(result.ContainsKey(bundleInfo.BundleName) == false)
+						result.Add(bundleInfo.BundleName, bundleInfo);
 				}
 			}
-			return result;
+			return result.Values.ToList();
 		}
 
 		/// <summary>
@@ -111,16 +112,6 @@ namespace YooAsset.Editor
 				element.Add(label);
 			}
 
-			{
-				var label = new Label();
-				label.name = "Label2";
-				label.style.unityTextAlign = TextAnchor.MiddleLeft;
-				label.style.marginLeft = 3f;
-				//label.style.flexGrow = 1f;
-				label.style.width = 100;
-				element.Add(label);
-			}
-
 			{
 				var label = new Label();
 				label.name = "Label3";
@@ -152,17 +143,13 @@ namespace YooAsset.Editor
 			var label1 = element.Q<Label>("Label1");
 			label1.text = bundleInfo.BundleName;
 
-			// Version
-			var label2 = element.Q<Label>("Label2");
-			label2.text = bundleInfo.Version.ToString();
-
 			// Ref Count
 			var label3 = element.Q<Label>("Label3");
 			label3.text = bundleInfo.RefCount.ToString();
 
 			// Status
 			StyleColor textColor;
-			if (bundleInfo.Status == AssetBundleLoader.EStatus.Fail)
+			if (bundleInfo.Status == AssetBundleLoaderBase.EStatus.Failed)
 				textColor = new StyleColor(Color.yellow);
 			else
 				textColor = label1.style.color;
@@ -175,7 +162,7 @@ namespace YooAsset.Editor
 			foreach (var item in objs)
 			{
 				DebugBundleInfo bundleInfo = item as DebugBundleInfo;
-				FillIncludeListView(bundleInfo);
+				FillUsingListView(bundleInfo.BundleName);
 			}
 		}
 
@@ -219,7 +206,7 @@ namespace YooAsset.Editor
 		}
 		private void BindIncludeListViewItem(VisualElement element, int index)
 		{
-			List<DebugProviderInfo> providers = _includeListView.itemsSource as List<DebugProviderInfo>;
+			List<DebugProviderInfo> providers = _usingListView.itemsSource as List<DebugProviderInfo>;
 			DebugProviderInfo providerInfo = providers[index];
 
 			// Asset Path
@@ -234,18 +221,24 @@ namespace YooAsset.Editor
 			var label3 = element.Q<Label>("Label3");
 			label3.text = providerInfo.Status.ToString();
 		}
-		private void FillIncludeListView(DebugBundleInfo bundleInfo)
+		private void FillUsingListView(string bundleName)
 		{
-			_includeListView.Clear();
-			_includeListView.ClearSelection();
+			_usingListView.Clear();
+			_usingListView.ClearSelection();
 
 			List<DebugProviderInfo> source = new List<DebugProviderInfo>();		
 			foreach(var providerInfo in _debugReport.ProviderInfos)
 			{
-				if (providerInfo.BundleInfos.Contains(bundleInfo))
-					source.Add(providerInfo);
+				foreach(var bundleInfo in providerInfo.BundleInfos)
+				{
+					if (bundleInfo.BundleName == bundleName)
+					{
+						source.Add(providerInfo);
+						continue;
+					}					
+				}
 			}
-			_includeListView.itemsSource = source;
+			_usingListView.itemsSource = source;
 		}
 	}
 }

Assets/YooAsset/Editor/AssetBundleDebugger/VisualViewers/BundleListDebuggerViewer.uxml

@@ -2,7 +2,6 @@
     <ui:VisualElement name="TopGroup" style="flex-grow: 1; border-left-width: 1px; border-right-width: 1px; border-top-width: 1px; border-bottom-width: 1px; border-left-color: rgb(0, 0, 0); border-right-color: rgb(0, 0, 0); border-top-color: rgb(0, 0, 0); border-bottom-color: rgb(0, 0, 0); margin-left: 0; margin-right: 0; margin-top: 2px; margin-bottom: 1px; display: flex;">
         <uie:Toolbar name="TopBar" style="height: 25px; margin-left: 1px; margin-right: 1px;">
             <uie:ToolbarButton text="Bundle Name" display-tooltip-when-elided="true" name="TopBar1" style="width: 280px; -unity-text-align: middle-left; flex-grow: 1;" />
-            <uie:ToolbarButton text="Version" display-tooltip-when-elided="true" name="TopBar2" style="width: 100px; -unity-text-align: middle-left;" />
             <uie:ToolbarButton text="Ref Count" display-tooltip-when-elided="true" name="TopBar3" style="width: 100px; -unity-text-align: middle-left;" />
             <uie:ToolbarButton text="Status" display-tooltip-when-elided="true" name="TopBar4" style="width: 120px; -unity-text-align: middle-left;" />
         </uie:Toolbar>

Assets/YooAsset/Editor/AssetBundleGrouper/AssetBundleGrouperSettingData.cs

@@ -14,6 +14,11 @@ namespace YooAsset.Editor
 		private static readonly Dictionary<string, System.Type> _cacheFilterRuleTypes = new Dictionary<string, System.Type>();
 		private static readonly Dictionary<string, IFilterRule> _cacheFilterRuleInstance = new Dictionary<string, IFilterRule>();
 
+		/// <summary>
+		/// 配置数据是否被修改
+		/// </summary>
+		public static bool IsDirty { private set; get; } = false;
+
 
 		private static AssetBundleGrouperSetting _setting = null;
 		public static AssetBundleGrouperSetting Setting
@@ -147,8 +152,10 @@ namespace YooAsset.Editor
 		{
 			if (Setting != null)
 			{
+				IsDirty = false;
 				EditorUtility.SetDirty(Setting);
 				AssetDatabase.SaveAssets();
+				Debug.Log($"{nameof(AssetBundleGrouperSetting)}.asset is saved!");
 			}
 		}
 
@@ -202,42 +209,42 @@ namespace YooAsset.Editor
 		// 着色器编辑相关
 		public static void ModifyShader(bool isCollectAllShaders, string shadersBundleName)
 		{
-			if (string.IsNullOrEmpty(shadersBundleName))
-				return;
 			Setting.AutoCollectShaders = isCollectAllShaders;
 			Setting.ShadersBundleName = shadersBundleName;
-			SaveFile();
+			IsDirty = true;
 		}
 
 		// 资源分组编辑相关
-		public static void CreateGrouper(string grouperName, string grouperDesc, string assetTags, bool saveFile = true)
+		public static void CreateGrouper(string grouperName, string grouperDesc, string assetTags)
 		{
 			AssetBundleGrouper grouper = new AssetBundleGrouper();
 			grouper.GrouperName = grouperName;
 			grouper.GrouperDesc = grouperDesc;
 			grouper.AssetTags = assetTags;
 			Setting.Groupers.Add(grouper);
-
-			if (saveFile)
-				SaveFile();
+			IsDirty = true;
 		}
 		public static void RemoveGrouper(AssetBundleGrouper grouper)
 		{
 			if (Setting.Groupers.Remove(grouper))
 			{
-				SaveFile();
+				IsDirty = true;
+			}
+			else
+			{
+				Debug.LogWarning($"Failed remove grouper : {grouper.GrouperName}");
 			}
 		}
 		public static void ModifyGrouper(AssetBundleGrouper grouper)
 		{
 			if (grouper != null)
 			{
-				SaveFile();
+				IsDirty = true;
 			}
 		}
 
 		// 资源收集器编辑相关
-		public static void CreateCollector(AssetBundleGrouper grouper, string collectPath, string packRuleName, string filterRuleName, bool notWriteToAssetList, bool saveFile = true)
+		public static void CreateCollector(AssetBundleGrouper grouper, string collectPath, string packRuleName, string filterRuleName, bool notWriteToAssetList)
 		{
 			AssetBundleCollector collector = new AssetBundleCollector();
 			collector.CollectPath = collectPath;
@@ -245,22 +252,24 @@ namespace YooAsset.Editor
 			collector.FilterRuleName = filterRuleName;
 			collector.NotWriteToAssetList = notWriteToAssetList;
 			grouper.Collectors.Add(collector);
-
-			if (saveFile)
-				SaveFile();
+			IsDirty = true;
 		}
 		public static void RemoveCollector(AssetBundleGrouper grouper, AssetBundleCollector collector)
 		{
 			if (grouper.Collectors.Remove(collector))
 			{
-				SaveFile();
+				IsDirty = true;
+			}
+			else
+			{
+				Debug.LogWarning($"Failed remove collector : {collector.CollectPath}");
 			}
 		}
 		public static void ModifyCollector(AssetBundleGrouper grouper, AssetBundleCollector collector)
 		{
 			if (grouper != null && collector != null)
 			{
-				SaveFile();
+				IsDirty = true;
 			}
 		}
 	}

Assets/YooAsset/Editor/AssetBundleGrouper/AssetBundleGrouperWindow.cs

@@ -152,7 +152,12 @@ namespace YooAsset.Editor
 				Debug.LogError(e.ToString());
 			}
 		}
-		
+		public void OnDestroy()
+		{
+			if (AssetBundleGrouperSettingData.IsDirty)
+				AssetBundleGrouperSettingData.SaveFile();
+		}
+
 		// 刷新窗体
 		private void RefreshWindow()
 		{
@@ -222,7 +227,7 @@ namespace YooAsset.Editor
 		}
 		private void AddGrouperBtn_clicked()
 		{
-			AssetBundleGrouperSettingData.CreateGrouper("Default Grouper", string.Empty, string.Empty, true);
+			AssetBundleGrouperSettingData.CreateGrouper("Default Grouper", string.Empty, string.Empty);
 			FillGrouperViewData();
 		}
 		private void RemoveGrouperBtn_clicked()

Assets/YooAsset/Editor/AssetBundleReporter/VisualViewers/BundleListReporterViewer.cs

@@ -149,16 +149,6 @@ namespace YooAsset.Editor
 				element.Add(label);
 			}
 
-			{
-				var label = new Label();
-				label.name = "Label4";
-				label.style.unityTextAlign = TextAnchor.MiddleLeft;
-				label.style.marginLeft = 3f;
-				//label.style.flexGrow = 1f;
-				label.style.width = 60;
-				element.Add(label);
-			}
-
 			{
 				var label = new Label();
 				label.name = "Label5";
@@ -188,10 +178,6 @@ namespace YooAsset.Editor
 			var label3 = element.Q<Label>("Label3");
 			label3.text = bundleInfo.Hash;
 
-			// Version
-			var label4 = element.Q<Label>("Label4");
-			label4.text = bundleInfo.Version.ToString();
-
 			// Tags
 			var label5 = element.Q<Label>("Label5");
 			label5.text = GetTagsString(bundleInfo.Tags);

Assets/YooAsset/Editor/AssetBundleReporter/VisualViewers/BundleListReporterViewer.uxml

@@ -5,7 +5,6 @@
                 <uie:ToolbarButton text="Bundle Name" display-tooltip-when-elided="true" name="TopBar1" style="width: 280px; -unity-text-align: middle-left; flex-grow: 1;" />
                 <uie:ToolbarButton text="Size" display-tooltip-when-elided="true" name="TopBar2" style="width: 100px; -unity-text-align: middle-left; flex-grow: 0;" />
                 <uie:ToolbarButton text="Hash" display-tooltip-when-elided="true" name="TopBar3" style="width: 250px; -unity-text-align: middle-left;" />
-                <uie:ToolbarButton text="Version" display-tooltip-when-elided="true" name="TopBar4" style="width: 60px; -unity-text-align: middle-left;" />
                 <uie:ToolbarButton text="Tags" display-tooltip-when-elided="true" name="TopBar5" style="width: 80px; -unity-text-align: middle-left; flex-grow: 1;" />
             </uie:Toolbar>
             <ui:ListView focusable="true" name="TopListView" item-height="18" style="flex-grow: 1;" />

Assets/YooAsset/Editor/EditorDefine.cs

@@ -4,9 +4,9 @@ namespace YooAsset.Editor
 	public class EditorDefine
 	{
 		/// <summary>
-		/// 资源包收集工具的配置文件存储路径
+		/// 资源包构建工具的配置文件存储路径
 		/// </summary>
-		public const string AssetBundleCollectorSettingFilePath = "Assets/YooAssetSetting/AssetBundleCollectorSetting.asset";
+		public const string AssetBundleBuilderSettingFilePath = "Assets/YooAssetSetting/AssetBundleBuilderSetting.asset";
 
 		/// <summary>
 		/// 资源包分组工具的配置文件存储路径

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -8,7 +8,7 @@ namespace YooAsset
 {
 	internal static class AssetSystem
 	{
-		private static readonly List<AssetBundleLoader> _loaders = new List<AssetBundleLoader>(1000);
+		private static readonly List<AssetBundleLoaderBase> _loaders = new List<AssetBundleLoaderBase>(1000);
 		private static readonly List<ProviderBase> _providers = new List<ProviderBase>(1000);
 
 		/// <summary>
@@ -90,12 +90,12 @@ namespace YooAsset
 			{
 				for (int i = _loaders.Count - 1; i >= 0; i--)
 				{
-					AssetBundleLoader loader = _loaders[i];
+					AssetBundleLoaderBase loader = _loaders[i];
 					loader.TryDestroyAllProviders();
 				}
 				for (int i = _loaders.Count - 1; i >= 0; i--)
 				{
-					AssetBundleLoader loader = _loaders[i];
+					AssetBundleLoaderBase loader = _loaders[i];
 					if (loader.CanDestroy())
 					{
 						loader.Destroy(false);
@@ -130,11 +130,11 @@ namespace YooAsset
 		/// <summary>
 		/// 异步加载原生文件
 		/// </summary>
-		public static RawFileOperation LoadRawFileAsync(string assetPath, string savePath)
+		public static RawFileOperation LoadRawFileAsync(string assetPath, string copyPath)
 		{
 			string bundleName = BundleServices.GetBundleName(assetPath);
 			BundleInfo bundleInfo = BundleServices.GetBundleInfo(bundleName);
-			RawFileOperation operation = new RawFileOperation(bundleInfo, savePath);
+			RawFileOperation operation = new RawFileOperation(bundleInfo, copyPath);
 			OperationSystem.ProcessOperaiton(operation);
 			return operation;
 		}
@@ -191,22 +191,22 @@ namespace YooAsset
 		}
 
 
-		internal static AssetBundleLoader CreateOwnerAssetBundleLoader(string assetPath)
+		internal static AssetBundleLoaderBase CreateOwnerAssetBundleLoader(string assetPath)
 		{
 			string bundleName = BundleServices.GetBundleName(assetPath);
 			BundleInfo bundleInfo = BundleServices.GetBundleInfo(bundleName);
 			return CreateAssetBundleLoaderInternal(bundleInfo);
 		}
-		internal static List<AssetBundleLoader> CreateDependAssetBundleLoaders(string assetPath)
+		internal static List<AssetBundleLoaderBase> CreateDependAssetBundleLoaders(string assetPath)
 		{
-			List<AssetBundleLoader> result = new List<AssetBundleLoader>();
+			List<AssetBundleLoaderBase> result = new List<AssetBundleLoaderBase>();
 			string[] depends = BundleServices.GetAllDependencies(assetPath);
 			if (depends != null)
 			{
 				foreach (var dependBundleName in depends)
 				{
 					BundleInfo dependBundleInfo = BundleServices.GetBundleInfo(dependBundleName);
-					AssetBundleLoader dependLoader = CreateAssetBundleLoaderInternal(dependBundleInfo);
+					AssetBundleLoaderBase dependLoader = CreateAssetBundleLoaderInternal(dependBundleInfo);
 					result.Add(dependLoader);
 				}
 			}
@@ -220,24 +220,29 @@ namespace YooAsset
 			}
 		}
 
-		private static AssetBundleLoader CreateAssetBundleLoaderInternal(BundleInfo bundleInfo)
+		private static AssetBundleLoaderBase CreateAssetBundleLoaderInternal(BundleInfo bundleInfo)
 		{
 			// 如果加载器已经存在
-			AssetBundleLoader loader = TryGetAssetBundleLoader(bundleInfo.BundleName);
+			AssetBundleLoaderBase loader = TryGetAssetBundleLoader(bundleInfo.BundleName);
 			if (loader != null)
 				return loader;
 
 			// 新增下载需求
-			loader = new AssetBundleLoader(bundleInfo);
+#if UNITY_WEBGL
+			loader = new AssetBundleWebLoader(bundleInfo);
+#else
+			loader = new AssetBundleFileLoader(bundleInfo);
+#endif
+
 			_loaders.Add(loader);
 			return loader;
 		}
-		private static AssetBundleLoader TryGetAssetBundleLoader(string bundleName)
+		private static AssetBundleLoaderBase TryGetAssetBundleLoader(string bundleName)
 		{
-			AssetBundleLoader loader = null;
+			AssetBundleLoaderBase loader = null;
 			for (int i = 0; i < _loaders.Count; i++)
 			{
-				AssetBundleLoader temp = _loaders[i];
+				AssetBundleLoaderBase temp = _loaders[i];
 				if (temp.BundleFileInfo.BundleName.Equals(bundleName))
 				{
 					loader = temp;

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

@@ -75,7 +75,7 @@ namespace YooAsset
 		/// <returns></returns>
 		public GameObject InstantiateSync(Transform parent = null)
 		{
-			return InstantiateSync(Vector3.zero, Quaternion.identity, parent);
+			return InstantiateSyncInternal(Vector3.zero, Quaternion.identity, parent, false);
 		}
 
 		/// <summary>
@@ -86,15 +86,7 @@ namespace YooAsset
 		/// <param name="parent">父类对象</param>
 		public GameObject InstantiateSync(Vector3 position, Quaternion rotation, Transform parent = null)
 		{
-			if (IsValid == false)
-				return null;
-			if (_provider.AssetObject == null)
-				return null;
-
-			if (parent == null)
-				return UnityEngine.Object.Instantiate(_provider.AssetObject as GameObject, position, rotation);
-			else
-				return UnityEngine.Object.Instantiate(_provider.AssetObject as GameObject, position, rotation, parent);
+			return InstantiateSyncInternal(position, rotation, parent, true);
 		}
 
 		/// <summary>
@@ -103,7 +95,7 @@ namespace YooAsset
 		/// <param name="parent">父类对象</param>
 		public InstantiateOperation InstantiateAsync(Transform parent = null)
 		{
-			return InstantiateAsync(Vector3.zero, Quaternion.identity, parent);
+			return InstantiateAsyncInternal(Vector3.zero, Quaternion.identity, parent, false);
 		}
 
 		/// <summary>
@@ -114,7 +106,35 @@ namespace YooAsset
 		/// <param name="parent">父类对象</param>
 		public InstantiateOperation InstantiateAsync(Vector3 position, Quaternion rotation, Transform parent = null)
 		{
-			InstantiateOperation operation = new InstantiateOperation(this, position, rotation, parent);
+			return InstantiateAsyncInternal(position, rotation, parent, true);
+		}
+
+
+		private GameObject InstantiateSyncInternal(Vector3 position, Quaternion rotation, Transform parent, bool setPositionRotation)
+		{
+			if (IsValid == false)
+				return null;
+			if (_provider.AssetObject == null)
+				return null;
+
+			if (setPositionRotation)
+			{
+				if (parent == null)
+					return UnityEngine.Object.Instantiate(_provider.AssetObject as GameObject, position, rotation);
+				else
+					return UnityEngine.Object.Instantiate(_provider.AssetObject as GameObject, position, rotation, parent);
+			}
+			else
+			{
+				if (parent == null)
+					return UnityEngine.Object.Instantiate(_provider.AssetObject as GameObject);
+				else
+					return UnityEngine.Object.Instantiate(_provider.AssetObject as GameObject, parent);
+			}
+		}
+		private InstantiateOperation InstantiateAsyncInternal(Vector3 position, Quaternion rotation, Transform parent, bool setPositionRotation)
+		{
+			InstantiateOperation operation = new InstantiateOperation(this, position, rotation, parent, setPositionRotation);
 			OperationSystem.ProcessOperaiton(operation);
 			return operation;
 		}

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

@@ -0,0 +1,198 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace YooAsset
+{
+	internal sealed class AssetBundleFileLoader : AssetBundleLoaderBase
+	{
+		private enum ESteps
+		{
+			None = 0,
+			Download,
+			CheckDownload,
+			LoadFile,
+			CheckFile,
+			Done,
+		}
+
+		private ESteps _steps = ESteps.None;
+		private string _fileLoadPath;
+		private bool _isWaitForAsyncComplete = false;
+		private bool _isShowWaitForAsyncError = false;
+		private DownloaderBase _downloader;
+		private AssetBundleCreateRequest _cacheRequest;
+
+
+		public AssetBundleFileLoader(BundleInfo bundleInfo) : base(bundleInfo)
+		{
+		}
+
+		/// <summary>
+		/// 轮询更新
+		/// </summary>
+		public override void Update()
+		{
+			if (_steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.None)
+			{
+				if (BundleFileInfo.LoadMode == BundleInfo.ELoadMode.None)
+				{
+					_steps = ESteps.Done;
+					Status = EStatus.Failed;
+					return;
+				}
+
+				if (BundleFileInfo.LoadMode == BundleInfo.ELoadMode.LoadFromRemote)
+				{
+					_steps = ESteps.Download;
+					_fileLoadPath = BundleFileInfo.GetCacheLoadPath();
+				}
+				else if (BundleFileInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
+				{
+					_steps = ESteps.LoadFile;
+					_fileLoadPath = BundleFileInfo.GetStreamingLoadPath();
+				}
+				else if (BundleFileInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
+				{
+					_steps = ESteps.LoadFile;
+					_fileLoadPath = BundleFileInfo.GetCacheLoadPath();
+				}
+				else
+				{
+					throw new System.NotImplementedException(BundleFileInfo.LoadMode.ToString());
+				}
+			}
+
+			// 1. 从服务器下载
+			if (_steps == ESteps.Download)
+			{
+				int failedTryAgain = int.MaxValue;
+				_downloader = DownloadSystem.BeginDownload(BundleFileInfo, failedTryAgain);
+				_steps = ESteps.CheckDownload;
+			}
+
+			// 2. 检测服务器下载结果
+			if (_steps == ESteps.CheckDownload)
+			{
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_downloader.ReportError();
+					_steps = ESteps.Done;
+					Status = EStatus.Failed;
+				}
+				else
+				{
+					_steps = ESteps.LoadFile;
+				}
+			}
+
+			// 3. 加载AssetBundle
+			if (_steps == ESteps.LoadFile)
+			{
+#if UNITY_EDITOR
+				// 注意：Unity2017.4编辑器模式下，如果AssetBundle文件不存在会导致编辑器崩溃，这里做了预判。
+				if (System.IO.File.Exists(_fileLoadPath) == false)
+				{
+					YooLogger.Warning($"Not found assetBundle file : {_fileLoadPath}");
+					_steps = ESteps.Done;
+					Status = EStatus.Failed;
+					return;
+				}
+#endif
+
+				// Load assetBundle file
+				if (BundleFileInfo.IsEncrypted)
+				{
+					if (AssetSystem.DecryptionServices == null)
+						throw new Exception($"{nameof(AssetBundleFileLoader)} need {nameof(IDecryptionServices)} : {BundleFileInfo.BundleName}");
+
+					ulong offset = AssetSystem.DecryptionServices.GetFileOffset(BundleFileInfo);
+					if (_isWaitForAsyncComplete)
+						CacheBundle = AssetBundle.LoadFromFile(_fileLoadPath, 0, offset);
+					else
+						_cacheRequest = AssetBundle.LoadFromFileAsync(_fileLoadPath, 0, offset);
+				}
+				else
+				{
+					if (_isWaitForAsyncComplete)
+						CacheBundle = AssetBundle.LoadFromFile(_fileLoadPath);
+					else
+						_cacheRequest = AssetBundle.LoadFromFileAsync(_fileLoadPath);
+				}
+				_steps = ESteps.CheckFile;
+			}
+
+			// 4. 检测AssetBundle加载结果
+			if (_steps == ESteps.CheckFile)
+			{
+				if (_cacheRequest != null)
+				{
+					if (_isWaitForAsyncComplete)
+					{
+						// 强制挂起主线程（注意：该操作会很耗时）
+						YooLogger.Warning("Suspend the main thread to load unity bundle.");
+						CacheBundle = _cacheRequest.assetBundle;
+					}
+					else
+					{
+						if (_cacheRequest.isDone == false)
+							return;
+						CacheBundle = _cacheRequest.assetBundle;
+					}
+				}
+
+				// Check error			
+				if (CacheBundle == null)
+				{
+					YooLogger.Error($"Failed to load assetBundle file : {BundleFileInfo.BundleName}");
+					_steps = ESteps.Done;
+					Status = EStatus.Failed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EStatus.Succeed;
+				}
+			}
+		}
+
+		/// <summary>
+		/// 主线程等待异步操作完毕
+		/// </summary>
+		public override void WaitForAsyncComplete()
+		{
+			_isWaitForAsyncComplete = true;
+
+			int frame = 1000;
+			while (true)
+			{
+				// 保险机制
+				// 注意：如果需要从WEB端下载资源，可能会触发保险机制！
+				frame--;
+				if (frame == 0)
+				{
+					if (_isShowWaitForAsyncError == false)
+					{
+						_isShowWaitForAsyncError = true;
+						YooLogger.Error($"WaitForAsyncComplete failed ! BundleName : {BundleFileInfo.BundleName} States : {Status}");
+					}
+					break;
+				}
+
+				// 驱动流程
+				Update();
+
+				// 完成后退出
+				if (IsDone())
+					break;
+			}
+		}
+	}
+}

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

@@ -1,301 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-
-namespace YooAsset
-{
-	internal class AssetBundleLoader
-	{
-		public enum EStatus
-		{
-			None = 0,
-			Download,
-			CheckDownload,
-			LoadFile,
-			CheckFile,
-			Success,
-			Fail,
-		}
-
-		/// <summary>
-		/// 资源包文件信息
-		/// </summary>
-		public BundleInfo BundleFileInfo { private set; get; }
-
-		/// <summary>
-		/// 引用计数
-		/// </summary>
-		public int RefCount { private set; get; }
-
-		/// <summary>
-		/// 加载状态
-		/// </summary>
-		public EStatus Status { private set; get; }
-
-		/// <summary>
-		/// 是否已经销毁
-		/// </summary>
-		public bool IsDestroyed { private set; get; } = false;
-
-		private readonly List<ProviderBase> _providers = new List<ProviderBase>(100);
-		private bool _isWaitForAsyncComplete = false;
-		private bool _isShowWaitForAsyncError = false;
-		private DownloaderBase _downloader;
-		private AssetBundleCreateRequest _cacheRequest;
-		internal AssetBundle CacheBundle { private set; get; }
-
-
-		public AssetBundleLoader(BundleInfo bundleInfo)
-		{
-			BundleFileInfo = bundleInfo;
-			RefCount = 0;
-			Status = EStatus.None;
-		}
-
-		/// <summary>
-		/// 添加附属的资源提供者
-		/// </summary>
-		public void AddProvider(ProviderBase provider)
-		{
-			if (_providers.Contains(provider) == false)
-				_providers.Add(provider);
-		}
-
-		/// <summary>
-		/// 引用（引用计数递加）
-		/// </summary>
-		public void Reference()
-		{
-			RefCount++;
-		}
-
-		/// <summary>
-		/// 释放（引用计数递减）
-		/// </summary>
-		public void Release()
-		{
-			RefCount--;
-		}
-
-		/// <summary>
-		/// 轮询更新
-		/// </summary>
-		public void Update()
-		{
-			// 如果资源文件加载完毕
-			if (IsDone())
-				return;
-
-			if (Status == EStatus.None)
-			{
-				// 检测加载地址是否为空
-				if (string.IsNullOrEmpty(BundleFileInfo.LocalPath))
-				{
-					Status = EStatus.Fail;
-					return;
-				}
-
-				if (string.IsNullOrEmpty(BundleFileInfo.RemoteMainURL))
-					Status = EStatus.LoadFile;
-				else
-					Status = EStatus.Download;
-			}
-
-			// 1. 从服务器下载
-			if (Status == EStatus.Download)
-			{
-				int failedTryAgain = int.MaxValue;
-				_downloader = DownloadSystem.BeginDownload(BundleFileInfo, failedTryAgain);
-				Status = EStatus.CheckDownload;
-			}
-
-			// 2. 检测服务器下载结果
-			if (Status == EStatus.CheckDownload)
-			{
-				if (_downloader.IsDone() == false)
-					return;
-
-				if (_downloader.HasError())
-				{
-					_downloader.ReportError();
-					Status = EStatus.Fail;
-				}
-				else
-				{
-					Status = EStatus.LoadFile;
-				}
-			}
-
-			// 3. 加载AssetBundle
-			if (Status == EStatus.LoadFile)
-			{
-#if UNITY_EDITOR
-				// 注意：Unity2017.4编辑器模式下，如果AssetBundle文件不存在会导致编辑器崩溃，这里做了预判。
-				if (System.IO.File.Exists(BundleFileInfo.LocalPath) == false)
-				{
-					YooLogger.Warning($"Not found assetBundle file : {BundleFileInfo.LocalPath}");
-					Status = EStatus.Fail;
-					return;
-				}
-#endif
-
-				// Load assetBundle file
-				if (BundleFileInfo.IsEncrypted)
-				{
-					if (AssetSystem.DecryptionServices == null)
-						throw new Exception($"{nameof(AssetBundleLoader)} need IDecryptServices : {BundleFileInfo.BundleName}");
-
-					ulong offset = AssetSystem.DecryptionServices.GetFileOffset(BundleFileInfo);
-					if (_isWaitForAsyncComplete)
-						CacheBundle = AssetBundle.LoadFromFile(BundleFileInfo.LocalPath, 0, offset);
-					else
-						_cacheRequest = AssetBundle.LoadFromFileAsync(BundleFileInfo.LocalPath, 0, offset);
-				}
-				else
-				{
-					if (_isWaitForAsyncComplete)
-						CacheBundle = AssetBundle.LoadFromFile(BundleFileInfo.LocalPath);
-					else
-						_cacheRequest = AssetBundle.LoadFromFileAsync(BundleFileInfo.LocalPath);
-				}
-				Status = EStatus.CheckFile;
-			}
-
-			// 4. 检测AssetBundle加载结果
-			if (Status == EStatus.CheckFile)
-			{
-				if (_cacheRequest != null)
-				{
-					if (_isWaitForAsyncComplete)
-					{
-						// 强制挂起主线程（注意：该操作会很耗时）
-						YooLogger.Warning("Suspend the main thread to load unity bundle.");
-						CacheBundle = _cacheRequest.assetBundle;
-					}
-					else
-					{
-						if (_cacheRequest.isDone == false)
-							return;
-						CacheBundle = _cacheRequest.assetBundle;
-					}
-				}
-
-				// Check error
-				if (CacheBundle == null)
-				{
-					YooLogger.Error($"Failed to load assetBundle file : {BundleFileInfo.BundleName}");
-					Status = EStatus.Fail;
-				}
-				else
-				{
-					Status = EStatus.Success;
-				}
-			}
-		}
-
-		/// <summary>
-		/// 销毁
-		/// </summary>
-		public void Destroy(bool forceDestroy)
-		{
-			IsDestroyed = true;
-
-			// Check fatal
-			if (forceDestroy == false)
-			{
-				if (RefCount > 0)
-					throw new Exception($"Bundle file loader ref is not zero : {BundleFileInfo.BundleName}");
-				if (IsDone() == false)
-					throw new Exception($"Bundle file loader is not done : {BundleFileInfo.BundleName}");
-			}
-
-			if (CacheBundle != null)
-			{
-				CacheBundle.Unload(true);
-				CacheBundle = null;
-			}
-		}
-
-		/// <summary>
-		/// 是否完毕（无论成功或失败）
-		/// </summary>
-		public bool IsDone()
-		{
-			return Status == EStatus.Success || Status == EStatus.Fail;
-		}
-
-		/// <summary>
-		/// 是否可以销毁
-		/// </summary>
-		public bool CanDestroy()
-		{
-			if (IsDone() == false)
-				return false;
-
-			return RefCount <= 0;
-		}
-
-		/// <summary>
-		/// 在满足条件的前提下，销毁所有资源提供者
-		/// </summary>
-		public void TryDestroyAllProviders()
-		{
-			if (IsDone() == false)
-				return;
-
-			// 注意：必须等待所有Provider可以销毁的时候，才可以释放Bundle文件。
-			foreach (var provider in _providers)
-			{
-				if (provider.CanDestroy() == false)
-					return;
-			}
-
-			// 除了自己没有其它引用
-			if (RefCount > _providers.Count)
-				return;
-
-			// 销毁所有Providers
-			foreach (var provider in _providers)
-			{
-				provider.Destory();
-			}
-
-			// 从列表里移除Providers
-			AssetSystem.RemoveBundleProviders(_providers);
-			_providers.Clear();
-		}
-
-		/// <summary>
-		/// 主线程等待异步操作完毕
-		/// </summary>
-		public void WaitForAsyncComplete()
-		{
-			_isWaitForAsyncComplete = true;
-
-			int frame = 1000;
-			while (true)
-			{
-				// 保险机制
-				// 注意：如果需要从WEB端下载资源，可能会触发保险机制！
-				frame--;
-				if (frame == 0)
-				{
-					if (_isShowWaitForAsyncError == false)
-					{
-						_isShowWaitForAsyncError = true;
-						YooLogger.Error($"WaitForAsyncComplete failed ! BundleName : {BundleFileInfo.BundleName} States : {Status}");
-					}
-					break;
-				}
-
-				// 驱动流程
-				Update();
-
-				// 完成后退出
-				if (IsDone())
-					break;
-			}
-		}
-	}
-}

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

@@ -0,0 +1,155 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace YooAsset
+{
+	internal abstract class AssetBundleLoaderBase
+	{
+		public enum EStatus
+		{
+			None = 0,
+			Succeed,
+			Failed
+		}
+
+		/// <summary>
+		/// 资源包文件信息
+		/// </summary>
+		public BundleInfo BundleFileInfo { private set; get; }
+
+		/// <summary>
+		/// 引用计数
+		/// </summary>
+		public int RefCount { private set; get; }
+
+		/// <summary>
+		/// 加载状态
+		/// </summary>
+		public EStatus Status { protected set; get; }
+
+		/// <summary>
+		/// 是否已经销毁
+		/// </summary>
+		public bool IsDestroyed { private set; get; } = false;
+
+		private readonly List<ProviderBase> _providers = new List<ProviderBase>(100);
+		internal AssetBundle CacheBundle { set; get; }
+
+
+		public AssetBundleLoaderBase(BundleInfo bundleInfo)
+		{
+			BundleFileInfo = bundleInfo;
+			RefCount = 0;
+			Status = EStatus.None;
+		}
+
+		/// <summary>
+		/// 添加附属的资源提供者
+		/// </summary>
+		public void AddProvider(ProviderBase provider)
+		{
+			if (_providers.Contains(provider) == false)
+				_providers.Add(provider);
+		}
+
+		/// <summary>
+		/// 引用（引用计数递加）
+		/// </summary>
+		public void Reference()
+		{
+			RefCount++;
+		}
+
+		/// <summary>
+		/// 释放（引用计数递减）
+		/// </summary>
+		public void Release()
+		{
+			RefCount--;
+		}
+
+		/// <summary>
+		/// 轮询更新
+		/// </summary>
+		public abstract void Update();
+	
+		/// <summary>
+		/// 销毁
+		/// </summary>
+		public void Destroy(bool forceDestroy)
+		{
+			IsDestroyed = true;
+
+			// Check fatal
+			if (forceDestroy == false)
+			{
+				if (RefCount > 0)
+					throw new Exception($"Bundle file loader ref is not zero : {BundleFileInfo.BundleName}");
+				if (IsDone() == false)
+					throw new Exception($"Bundle file loader is not done : {BundleFileInfo.BundleName}");
+			}
+
+			if (CacheBundle != null)
+			{
+				CacheBundle.Unload(true);
+				CacheBundle = null;
+			}
+		}
+
+		/// <summary>
+		/// 是否完毕（无论成功或失败）
+		/// </summary>
+		public bool IsDone()
+		{
+			return Status == EStatus.Succeed || Status == EStatus.Failed;
+		}
+
+		/// <summary>
+		/// 是否可以销毁
+		/// </summary>
+		public bool CanDestroy()
+		{
+			if (IsDone() == false)
+				return false;
+
+			return RefCount <= 0;
+		}
+
+		/// <summary>
+		/// 在满足条件的前提下，销毁所有资源提供者
+		/// </summary>
+		public void TryDestroyAllProviders()
+		{
+			if (IsDone() == false)
+				return;
+
+			// 注意：必须等待所有Provider可以销毁的时候，才可以释放Bundle文件。
+			foreach (var provider in _providers)
+			{
+				if (provider.CanDestroy() == false)
+					return;
+			}
+
+			// 除了自己没有其它引用
+			if (RefCount > _providers.Count)
+				return;
+
+			// 销毁所有Providers
+			foreach (var provider in _providers)
+			{
+				provider.Destory();
+			}
+
+			// 从列表里移除Providers
+			AssetSystem.RemoveBundleProviders(_providers);
+			_providers.Clear();
+		}
+
+		/// <summary>
+		/// 主线程等待异步操作完毕
+		/// </summary>
+		public abstract void WaitForAsyncComplete();
+	}
+}

Assets/YooAsset/Runtime/AssetSystem/Loader/AssetBundleLoaderBase.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: b8aaabc43e74af14d8eb3c7c85e19cda
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -0,0 +1,121 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+	internal sealed class AssetBundleWebLoader : AssetBundleLoaderBase
+	{
+		private enum ESteps
+		{
+			None = 0,
+			LoadFile,
+			CheckFile,
+			TryLoad,
+			Done,
+		}
+
+		private ESteps _steps = ESteps.None;
+		private float _tryTimer = 0;
+		private string _webURL;
+		private UnityWebRequest _webRequest;
+
+
+		public AssetBundleWebLoader(BundleInfo bundleInfo) : base(bundleInfo)
+		{
+		}
+
+		/// <summary>
+		/// 轮询更新
+		/// </summary>
+		public override void Update()
+		{
+			if (_steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.None)
+			{
+				if (BundleFileInfo.LoadMode == BundleInfo.ELoadMode.None)
+				{
+					_steps = ESteps.Done;
+					Status = EStatus.Failed;
+					return;
+				}
+
+				if (BundleFileInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
+				{
+					_steps = ESteps.LoadFile;
+					_webURL = BundleFileInfo.GetStreamingLoadPath();
+				}
+				else
+				{
+					throw new System.NotImplementedException(BundleFileInfo.LoadMode.ToString());
+				}
+			}
+
+			// 1. 从服务器或缓存中获取AssetBundle文件
+			if (_steps == ESteps.LoadFile)
+			{
+				string hash = StringUtility.RemoveExtension(BundleFileInfo.Hash);
+				_webRequest = UnityWebRequestAssetBundle.GetAssetBundle(_webURL, Hash128.Parse(hash));
+				_webRequest.SendWebRequest();
+				_steps = ESteps.CheckFile;
+			}
+
+			// 2. 检测获取的AssetBundle文件
+			if (_steps == ESteps.CheckFile)
+			{
+				if (_webRequest.isDone == false)
+					return;
+
+#if UNITY_2020_1_OR_NEWER
+				if (_webRequest.result != UnityWebRequest.Result.Success)
+#else
+				if (_webRequest.isNetworkError || _webRequest.isHttpError)
+#endif
+				{
+					Debug.LogWarning($"Failed to get asset bundle form web : {_webURL} Error : {_webRequest.error}");
+					_steps = ESteps.TryLoad;
+					_tryTimer = 0;
+				}
+				else
+				{
+					CacheBundle = DownloadHandlerAssetBundle.GetContent(_webRequest);
+					if (CacheBundle == null)
+					{
+						Debug.LogError($"Get asset bundle error : {_webRequest.error}");
+						_steps = ESteps.Done;
+						Status = EStatus.Failed;
+					}
+					else
+					{
+						_steps = ESteps.Done;
+						Status = EStatus.Succeed;
+					}
+				}
+			}
+
+			// 3. 如果获取失败，重新尝试
+			if (_steps == ESteps.TryLoad)
+			{
+				_tryTimer += Time.unscaledDeltaTime;
+				if (_tryTimer > 1f)
+				{
+					_webRequest.Dispose();
+					_webRequest = null;
+					_steps = ESteps.LoadFile;
+				}
+			}
+		}
+
+		/// <summary>
+		/// 主线程等待异步操作完毕
+		/// </summary>
+		public override void WaitForAsyncComplete()
+		{
+			throw new System.NotImplementedException($"WebGL platform not support {nameof(WaitForAsyncComplete)}");
+		}
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: bd1ad395c62c5804589ec9b267ea0484
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -9,7 +9,7 @@ namespace YooAsset
 		/// <summary>
 		/// 依赖的资源包加载器列表
 		/// </summary>
-		private readonly List<AssetBundleLoader> _dependBundles;
+		private readonly List<AssetBundleLoaderBase> _dependBundles;
 
 		public DependAssetBundleGrouper(string assetPath)
 		{
@@ -72,7 +72,6 @@ namespace YooAsset
 			{
 				var bundleInfo = new DebugBundleInfo();
 				bundleInfo.BundleName = loader.BundleFileInfo.BundleName;
-				bundleInfo.Version = loader.BundleFileInfo.Version;
 				bundleInfo.RefCount = loader.RefCount;
 				bundleInfo.Status = loader.Status;
 				output.Add(bundleInfo);

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

@@ -15,6 +15,7 @@ namespace YooAsset
 		private readonly Vector3 _position;
 		private readonly Quaternion _rotation;
 		private readonly Transform _parent;
+		private readonly bool _setPositionRotation;
 		private ESteps _steps = ESteps.None;
 
 		/// <summary>
@@ -23,12 +24,13 @@ namespace YooAsset
 		public GameObject Result = null;
 
 
-		internal InstantiateOperation(AssetOperationHandle handle, Vector3 position, Quaternion rotation, Transform parent)
+		internal InstantiateOperation(AssetOperationHandle handle, Vector3 position, Quaternion rotation, Transform parent, bool setPositionRotation)
 		{
 			_handle = handle;
 			_position = position;
 			_rotation = rotation;
 			_parent = parent;
+			_setPositionRotation = setPositionRotation;
 		}
 		internal override void Start()
 		{
@@ -54,10 +56,20 @@ namespace YooAsset
 					Error = $"{nameof(AssetOperationHandle.AssetObject)} is null.";
 				}
 
-				if (_parent == null)
-					Result = Object.Instantiate(_handle.AssetObject as GameObject, _position, _rotation);
+				if(_setPositionRotation)
+				{
+					if (_parent == null)
+						Result = Object.Instantiate(_handle.AssetObject as GameObject, _position, _rotation);
+					else
+						Result = Object.Instantiate(_handle.AssetObject as GameObject, _position, _rotation, _parent);
+				}
 				else
-					Result = Object.Instantiate(_handle.AssetObject as GameObject, _position, _rotation, _parent);
+				{
+					if (_parent == null)
+						Result = Object.Instantiate(_handle.AssetObject as GameObject);
+					else
+						Result = Object.Instantiate(_handle.AssetObject as GameObject, _parent);
+				}
 
 				_steps = ESteps.Done;
 				Status = EOperationStatus.Succeed;

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

@@ -10,31 +10,40 @@ namespace YooAsset
 			Prepare,
 			DownloadFromWeb,
 			CheckDownloadFromWeb,
-			CheckFile,
 			DownloadFromApk,
 			CheckDownloadFromApk,
+			CheckAndCopyFile,
 			Done,
 		}
 
 		private readonly BundleInfo _bundleInfo;
-		private readonly string _savePath;
 		private ESteps _steps = ESteps.None;
 		private DownloaderBase _downloader;
 		private UnityWebFileRequester _fileRequester;
 
 		/// <summary>
-		/// 原生文件的存储路径
+		/// 原生文件的拷贝路径
 		/// </summary>
-		public string SavePath
+		public string CopyPath { private set; get; }
+
+		/// <summary>
+		/// 原生文件的缓存路径
+		/// </summary>
+		public string CachePath
 		{
-			get { return _savePath; }
+			get
+			{
+				if (_bundleInfo == null)
+					return string.Empty;
+				return _bundleInfo.GetCacheLoadPath();
+			}
 		}
 
 
-		internal RawFileOperation(BundleInfo bundleInfo, string savePath)
+		internal RawFileOperation(BundleInfo bundleInfo, string copyPath)
 		{
 			_bundleInfo = bundleInfo;
-			_savePath = savePath;
+			CopyPath = copyPath;
 		}
 		internal override void Start()
 		{
@@ -48,19 +57,30 @@ namespace YooAsset
 			// 1. 准备工作
 			if (_steps == ESteps.Prepare)
 			{
-				// 检测加载地址是否为空
-				if (string.IsNullOrEmpty(_bundleInfo.LocalPath))
+				if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.None)
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = "Local path is null or empty.";
+					Error = $"Bundle info is invalid : {_bundleInfo.BundleName}";
 					return;
 				}
 
-				if (string.IsNullOrEmpty(_bundleInfo.RemoteMainURL))
-					_steps = ESteps.CheckFile;
-				else
+				if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromRemote)
+				{
 					_steps = ESteps.DownloadFromWeb;
+				}
+				else if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
+				{
+					_steps = ESteps.DownloadFromApk;
+				}
+				else if (_bundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromCache)
+				{
+					_steps = ESteps.CheckAndCopyFile;
+				}
+				else
+				{
+					throw new System.NotImplementedException(_bundleInfo.LoadMode.ToString());
+				}
 			}
 
 			// 2. 从服务器下载
@@ -85,65 +105,20 @@ namespace YooAsset
 				}
 				else
 				{
-					// 注意：当文件更新之后，需要删除旧文件			
-					if (File.Exists(_savePath))
-						File.Delete(_savePath);
-					_steps = ESteps.CheckFile;
+					_steps = ESteps.CheckAndCopyFile;
 				}
 			}
 
-			// 4. 检测文件
-			if (_steps == ESteps.CheckFile)
-			{
-				// 注意：如果原生文件已经存在，则验证其完整性
-				if (File.Exists(_savePath))
-				{
-					bool result = DownloadSystem.CheckContentIntegrity(_savePath, _bundleInfo.SizeBytes, _bundleInfo.CRC);
-					if (result)
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Succeed;
-						return;
-					}
-					else
-					{
-						File.Delete(_savePath);
-					}
-				}
-
-				if (_bundleInfo.IsBuildinJarFile())
-				{
-					_steps = ESteps.DownloadFromApk;
-				}
-				else
-				{
-					try
-					{
-						File.Copy(_bundleInfo.LocalPath, _savePath, true);
-					}
-					catch (System.Exception e)
-					{
-						_steps = ESteps.Done;
-						Status = EOperationStatus.Failed;
-						Error = e.ToString();
-						return;
-					}
-
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Succeed;
-				}
-			}
-
-			// 5. 从APK拷贝文件
+			// 4. 从APK拷贝文件
 			if (_steps == ESteps.DownloadFromApk)
 			{
-				string downloadURL = PathHelper.ConvertToWWWPath(_bundleInfo.LocalPath);
+				string downloadURL = PathHelper.ConvertToWWWPath(_bundleInfo.GetStreamingLoadPath());
 				_fileRequester = new UnityWebFileRequester();
-				_fileRequester.SendRequest(downloadURL, _savePath);
+				_fileRequester.SendRequest(downloadURL, _bundleInfo.GetCacheLoadPath());
 				_steps = ESteps.CheckDownloadFromApk;
 			}
 
-			// 6. 检测APK拷贝文件结果
+			// 5. 检测APK拷贝文件结果
 			if (_steps == ESteps.CheckDownloadFromApk)
 			{
 				if (_fileRequester.IsDone() == false)
@@ -157,11 +132,51 @@ namespace YooAsset
 				}
 				else
 				{
+					_steps = ESteps.CheckAndCopyFile;
+				}
+				_fileRequester.Dispose();
+			}
+
+			// 6. 检测并拷贝原生文件
+			if (_steps == ESteps.CheckAndCopyFile)
+			{
+				// 如果不需要保存文件
+				if (string.IsNullOrEmpty(CopyPath))
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+					return;
+				}
+
+				// 如果原生文件已经存在，则验证其完整性
+				if (File.Exists(CopyPath))
+				{
+					bool result = DownloadSystem.CheckContentIntegrity(CopyPath, _bundleInfo.SizeBytes, _bundleInfo.CRC);
+					if (result)
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Succeed;
+						return;
+					}
+					else
+					{
+						File.Delete(CopyPath);
+					}
+				}
+
+				try
+				{
+					FileUtility.CreateFileDirectory(CopyPath);
+					File.Copy(_bundleInfo.GetCacheLoadPath(), CopyPath, true);
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Succeed;
 				}
-
-				_fileRequester.Dispose();
+				catch (System.Exception e)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = e.ToString();
+				}
 			}
 		}
 
@@ -170,9 +185,10 @@ namespace YooAsset
 		/// </summary>
 		public byte[] GetFileData()
 		{
-			if (File.Exists(_savePath) == false)
+			string cachePath = _bundleInfo.GetCacheLoadPath();
+			if (File.Exists(cachePath) == false)
 				return null;
-			return File.ReadAllBytes(_savePath);
+			return File.ReadAllBytes(cachePath);
 		}
 
 		/// <summary>
@@ -180,9 +196,10 @@ namespace YooAsset
 		/// </summary>
 		public string GetFileText()
 		{
-			if (File.Exists(_savePath) == false)
+			string cachePath = _bundleInfo.GetCacheLoadPath();
+			if (File.Exists(cachePath) == false)
 				return string.Empty;
-			return File.ReadAllText(_savePath, System.Text.Encoding.UTF8);
+			return File.ReadAllText(cachePath, System.Text.Encoding.UTF8);
 		}
 	}
 }

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

@@ -5,7 +5,7 @@ namespace YooAsset
 {
     internal abstract class BundledProvider : ProviderBase
     {
-		protected AssetBundleLoader OwnerBundle { private set; get; }
+		protected AssetBundleLoaderBase OwnerBundle { private set; get; }
 		protected DependAssetBundleGrouper DependBundles { private set; get; }
 
 		public BundledProvider(string assetPath, System.Type assetType) : base(assetPath, assetType)
@@ -40,7 +40,6 @@ namespace YooAsset
 		{
 			var bundleInfo = new DebugBundleInfo();
 			bundleInfo.BundleName = OwnerBundle.BundleFileInfo.BundleName;
-			bundleInfo.Version = OwnerBundle.BundleFileInfo.Version;
 			bundleInfo.RefCount = OwnerBundle.RefCount;
 			bundleInfo.Status = OwnerBundle.Status;
 			output.Add(bundleInfo);

Assets/YooAsset/Runtime/Debugger/DebugBundleInfo.cs

@@ -8,11 +8,6 @@ namespace YooAsset
 		/// </summary>
 		public string BundleName { set; get; }
 
-		/// <summary>
-		/// 资源版本
-		/// </summary>
-		public int Version { set; get; }
-
 		/// <summary>
 		/// 引用计数
 		/// </summary>
@@ -21,6 +16,6 @@ namespace YooAsset
 		/// <summary>
 		/// 加载状态
 		/// </summary>
-		public AssetBundleLoader.EStatus Status { set; get; }
+		public AssetBundleLoaderBase.EStatus Status { set; get; }
 	}
 }

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs

@@ -84,7 +84,7 @@ namespace YooAsset
 			// 创建新的下载器	
 			{
 				YooLogger.Log($"Beginning to download file : {bundleInfo.BundleName} URL : {bundleInfo.RemoteMainURL}");
-				FileUtility.CreateFileDirectory(bundleInfo.LocalPath);
+				FileUtility.CreateFileDirectory(bundleInfo.GetCacheLoadPath());
 				DownloaderBase newDownloader;
 				if (bundleInfo.SizeBytes >= _breakpointResumeFileSize)
 					newDownloader = new HttpDownloader(bundleInfo);
@@ -146,7 +146,7 @@ namespace YooAsset
 		// 验证文件完整性
 		public static bool CheckContentIntegrity(BundleInfo bundleInfo)
 		{
-			return CheckContentIntegrity(bundleInfo.LocalPath, bundleInfo.SizeBytes, bundleInfo.CRC);
+			return CheckContentIntegrity(bundleInfo.GetCacheLoadPath(), bundleInfo.SizeBytes, bundleInfo.CRC);
 		}
 		public static bool CheckContentIntegrity(PatchBundle patchBundle)
 		{

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

@@ -50,9 +50,6 @@ namespace YooAsset
 		}
 		public void SendRequest(int failedTryAgain, int timeout)
 		{
-			if (string.IsNullOrEmpty(_bundleInfo.LocalPath))
-				throw new System.ArgumentNullException();
-
 			if (_steps == ESteps.None)
 			{
 				_failedTryAgain = failedTryAgain;
@@ -62,7 +59,7 @@ namespace YooAsset
 		}
 		public abstract void Update();
 		public abstract void Abort();
-		
+
 		/// <summary>
 		/// 获取网络请求地址
 		/// </summary>

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

@@ -42,7 +42,7 @@ namespace YooAsset
 
 				_requestURL = GetRequestURL();
 				_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
-				DownloadHandlerFile handler = new DownloadHandlerFile(_bundleInfo.LocalPath);
+				DownloadHandlerFile handler = new DownloadHandlerFile(_bundleInfo.GetCacheLoadPath());
 				handler.removeFileOnAbort = true;
 				_webRequest.downloadHandler = handler;
 				_webRequest.disposeDownloadHandlerOnDispose = true;
@@ -97,8 +97,9 @@ namespace YooAsset
 				{
 					ReportError();
 
-					if (File.Exists(_bundleInfo.LocalPath))
-						File.Delete(_bundleInfo.LocalPath);
+					string cacheFilePath = _bundleInfo.GetCacheLoadPath();
+					if (File.Exists(cacheFilePath))
+						File.Delete(cacheFilePath);
 
 					// 失败后重新尝试
 					if (_failedTryAgain > 0)

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

@@ -197,7 +197,7 @@ namespace YooAsset
 
 				_requestURL = GetRequestURL();
 				_threadDownloader = new ThreadDownloader();
-				_threadDownloader.Run(_requestURL, _bundleInfo.LocalPath, _bundleInfo.Hash, _bundleInfo.CRC, _bundleInfo.SizeBytes, _timeout);
+				_threadDownloader.Run(_requestURL, _bundleInfo.GetCacheLoadPath(), _bundleInfo.Hash, _bundleInfo.CRC, _bundleInfo.SizeBytes, _timeout);
 				_steps = ESteps.CheckDownload;
 			}
 

Assets/YooAsset/Runtime/PatchSystem/BundleInfo.cs

@@ -3,18 +3,25 @@ namespace YooAsset
 {
 	public class BundleInfo
 	{
+		internal enum ELoadMode
+		{
+			None,
+			LoadFromStreaming,
+			LoadFromCache,
+			LoadFromRemote,
+		}
+
 		private readonly PatchBundle _patchBundle;
-		
+		internal readonly ELoadMode LoadMode;
+
+		private string _streamingPath;
+		private string _cachePath;
+
 		/// <summary>
 		/// 资源包名称
 		/// </summary>
 		public string BundleName { private set; get; }
 
-		/// <summary>
-		/// 本地存储的路径
-		/// </summary>
-		public string LocalPath { private set; get; }
-
 		/// <summary>
 		/// 远端下载地址
 		/// </summary>
@@ -67,20 +74,6 @@ namespace YooAsset
 			}
 		}
 
-		/// <summary>
-		/// 资源版本
-		/// </summary>
-		public int Version
-		{
-			get
-			{
-				if (_patchBundle == null)
-					return 0;
-				else
-					return _patchBundle.Version;
-			}
-		}
-
 		/// <summary>
 		/// 是否为加密文件
 		/// </summary>
@@ -110,30 +103,57 @@ namespace YooAsset
 		}
 
 
+		/// <summary>
+		/// 获取流文件夹的加载路径
+		/// </summary>
+		public string GetStreamingLoadPath()
+		{
+			if (_patchBundle == null)
+				return string.Empty;
+
+			if (string.IsNullOrEmpty(_streamingPath))
+				_streamingPath = PathHelper.MakeStreamingLoadPath(_patchBundle.Hash);
+			return _streamingPath;
+		}
+
+		/// <summary>
+		/// 获取缓存文件夹的加载路径
+		/// </summary>
+		public string GetCacheLoadPath()
+		{
+			if (_patchBundle == null)
+				return string.Empty;
+
+			if (string.IsNullOrEmpty(_cachePath))
+				_cachePath = SandboxHelper.MakeSandboxCacheFilePath(_patchBundle.Hash);
+			return _cachePath;
+		}
+
+
 		private BundleInfo()
 		{
 		}
-		internal BundleInfo(PatchBundle patchBundle, string localPath, string mainURL, string fallbackURL)
+		internal BundleInfo(PatchBundle patchBundle, ELoadMode loadMode, string mainURL, string fallbackURL)
 		{
 			_patchBundle = patchBundle;
+			LoadMode = loadMode;
 			BundleName = patchBundle.BundleName;
-			LocalPath = localPath;
 			RemoteMainURL = mainURL;
 			RemoteFallbackURL = fallbackURL;
 		}
-		internal BundleInfo(PatchBundle patchBundle, string localPath)
+		internal BundleInfo(PatchBundle patchBundle, ELoadMode loadMode)
 		{
 			_patchBundle = patchBundle;
+			LoadMode = loadMode;
 			BundleName = patchBundle.BundleName;
-			LocalPath = localPath;
 			RemoteMainURL = string.Empty;
 			RemoteFallbackURL = string.Empty;
 		}
-		internal BundleInfo(string bundleName, string localPath)
+		internal BundleInfo(string bundleName)
 		{
 			_patchBundle = null;
+			LoadMode = ELoadMode.None;
 			BundleName = bundleName;
-			LocalPath = localPath;
 			RemoteMainURL = string.Empty;
 			RemoteFallbackURL = string.Empty;
 		}
@@ -141,9 +161,9 @@ namespace YooAsset
 		/// <summary>
 		/// 是否为JAR包内文件
 		/// </summary>
-		public bool IsBuildinJarFile()
+		public static bool IsBuildinJarFile(string streamingPath)
 		{
-			return LocalPath.StartsWith("jar:");
+			return streamingPath.StartsWith("jar:");
 		}
 	}
 }

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

@@ -34,15 +34,13 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
-			LoadAppManifest,
-			CheckAppManifest,
+			Update,
 			Done,
 		}
 
-		private OfflinePlayModeImpl _impl;
+		private readonly OfflinePlayModeImpl _impl;
+		private readonly AppManifestLoader _appManifestLoader = new AppManifestLoader();
 		private ESteps _steps = ESteps.None;
-		private UnityWebDataRequester _downloader;
-		private string _downloadURL;
 
 		internal OfflinePlayModeInitializationOperation(OfflinePlayModeImpl impl)
 		{
@@ -50,41 +48,32 @@ namespace YooAsset
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.LoadAppManifest;
+			_steps = ESteps.Update;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
-
-			if (_steps == ESteps.LoadAppManifest)
+			
+			if (_steps == ESteps.Update)
 			{
-				string filePath = PathHelper.MakeStreamingLoadPath(YooAssetSettingsData.Setting.PatchManifestFileName);
-				_downloadURL = PathHelper.ConvertToWWWPath(filePath);
-				_downloader = new UnityWebDataRequester();
-				_downloader.SendRequest(_downloadURL);
-				_steps = ESteps.CheckAppManifest;
-			}
-
-			if (_steps == ESteps.CheckAppManifest)
-			{
-				if (_downloader.IsDone() == false)
+				_appManifestLoader.Update();
+				if (_appManifestLoader.IsDone() == false)
 					return;
 
-				if (_downloader.HasError())
-				{
-					Error = _downloader.GetError();
-					_downloader.Dispose();
+				if (_appManifestLoader.Result == null)
+				{			
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					throw new System.Exception($"Fatal error : Failed load application patch manifest file : {_downloadURL}");
+					Error = _appManifestLoader.Error;
+					throw new System.Exception($"FATAL : {_appManifestLoader.Error}");
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+					_impl.AppPatchManifest = _appManifestLoader.Result;
 				}
-
-				// 解析APP里的补丁清单
-				_impl.AppPatchManifest = PatchManifest.Deserialize(_downloader.GetText());
-				_downloader.Dispose();
-				_steps = ESteps.Done;
-				Status = EOperationStatus.Succeed;
 			}
 		}
 	}
@@ -98,16 +87,13 @@ namespace YooAsset
 		{
 			None,
 			InitCache,
-			LoadAppManifest,
-			CheckAppManifest,
-			LoadSandboxManifest,
+			Update,
 			Done,
 		}
 
-		private HostPlayModeImpl _impl;
+		private readonly HostPlayModeImpl _impl;
+		private readonly AppManifestLoader _appManifestLoader = new AppManifestLoader();
 		private ESteps _steps = ESteps.None;
-		private UnityWebDataRequester _downloader;
-		private string _downloadURL;
 
 		internal HostPlayModeInitializationOperation(HostPlayModeImpl impl)
 		{
@@ -137,60 +123,137 @@ namespace YooAsset
 						SandboxHelper.DeleteSandboxCacheFolder();
 					}
 
-					// 删除清单文件
-					SandboxHelper.DeleteSandboxPatchManifestFile();
 					// 更新缓存文件
 					PatchCache.UpdateCache();
 				}
-				_steps = ESteps.LoadAppManifest;
+				_steps = ESteps.Update;
+			}
+
+			if (_steps == ESteps.Update)
+			{
+				_appManifestLoader.Update();
+				if (_appManifestLoader.IsDone() == false)
+					return;
+
+				if (_appManifestLoader.Result == null)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _appManifestLoader.Error;
+					throw new System.Exception($"FATAL : {_appManifestLoader.Error}");
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+					_impl.AppPatchManifest = _appManifestLoader.Result;
+					_impl.LocalPatchManifest = _appManifestLoader.Result;
+				}
+			}
+		}
+	}
+
+	/// <summary>
+	/// 内置补丁清单加载器
+	/// </summary>
+	internal class AppManifestLoader
+	{
+		private enum ESteps
+		{
+			LoadStaticVersion,
+			CheckStaticVersion,
+			LoadAppManifest,
+			CheckAppManifest,
+			Succeed,
+			Failed,
+		}
+
+		private ESteps _steps = ESteps.LoadStaticVersion;
+		private UnityWebDataRequester _downloader1;
+		private UnityWebDataRequester _downloader2;
+		private int _staticVersion = 0;
+
+		/// <summary>
+		/// 错误日志
+		/// </summary>
+		public string Error { private set; get; }
+
+		/// <summary>
+		/// 补丁清单
+		/// </summary>
+		public PatchManifest Result { private set; get; }
+
+		/// <summary>
+		/// 是否已经完成
+		/// </summary>
+		public bool IsDone()
+		{
+			if (_steps == ESteps.Succeed || _steps == ESteps.Failed)
+				return true;
+			else
+				return false;
+		}
+
+		public void Update()
+		{
+			if (IsDone())
+				return;
+
+			if (_steps == ESteps.LoadStaticVersion)
+			{
+				YooLogger.Log($"Load application static version.");
+				string filePath = PathHelper.MakeStreamingLoadPath(YooAssetSettings.VersionFileName);
+				string url = PathHelper.ConvertToWWWPath(filePath);
+				_downloader1 = new UnityWebDataRequester();
+				_downloader1.SendRequest(url);
+				_steps = ESteps.CheckStaticVersion;
+			}
+
+			if (_steps == ESteps.CheckStaticVersion)
+			{
+				if (_downloader1.IsDone() == false)
+					return;
+
+				if (_downloader1.HasError())
+				{
+					Error = _downloader1.GetError();
+					_steps = ESteps.Failed;
+				}
+				else
+				{
+					_staticVersion = int.Parse(_downloader1.GetText());
+					_steps = ESteps.LoadAppManifest;
+				}
+				_downloader1.Dispose();
 			}
 
 			if (_steps == ESteps.LoadAppManifest)
 			{
-				// 加载APP内的补丁清单
 				YooLogger.Log($"Load application patch manifest.");
-				string filePath = PathHelper.MakeStreamingLoadPath(YooAssetSettingsData.Setting.PatchManifestFileName);
-				_downloadURL = PathHelper.ConvertToWWWPath(filePath);
-				_downloader = new UnityWebDataRequester();
-				_downloader.SendRequest(_downloadURL);
+				string filePath = PathHelper.MakeStreamingLoadPath(YooAssetSettingsData.GetPatchManifestFileName(_staticVersion));
+				string url = PathHelper.ConvertToWWWPath(filePath);
+				_downloader2 = new UnityWebDataRequester();
+				_downloader2.SendRequest(url);
 				_steps = ESteps.CheckAppManifest;
 			}
 
 			if (_steps == ESteps.CheckAppManifest)
 			{
-				if (_downloader.IsDone() == false)
+				if (_downloader2.IsDone() == false)
 					return;
 
-				if (_downloader.HasError())
+				if (_downloader2.HasError())
 				{
-					Error = _downloader.GetError();
-					_downloader.Dispose();
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					throw new System.Exception($"Fatal error : Failed load application patch manifest file : {_downloadURL}");
+					Error = _downloader2.GetError();		
+					_steps = ESteps.Failed;
 				}
-
-				// 解析补丁清单
-				string jsonData = _downloader.GetText();
-				_impl.AppPatchManifest = PatchManifest.Deserialize(jsonData);
-				_impl.LocalPatchManifest = _impl.AppPatchManifest;
-				_downloader.Dispose();
-				_steps = ESteps.LoadSandboxManifest;
-			}
-
-			if (_steps == ESteps.LoadSandboxManifest)
-			{
-				// 加载沙盒内的补丁清单	
-				if (SandboxHelper.CheckSandboxPatchManifestFileExist())
+				else
 				{
-					YooLogger.Log($"Load sandbox patch manifest.");
-					string filePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.Setting.PatchManifestFileName);
-					string jsonData = File.ReadAllText(filePath);
-					_impl.LocalPatchManifest = PatchManifest.Deserialize(jsonData);
+					// 解析APP里的补丁清单
+					Result = PatchManifest.Deserialize(_downloader2.GetText());
+					_steps = ESteps.Succeed;
 				}
-
-				_steps = ESteps.Done;
-				Status = EOperationStatus.Succeed;
+				_downloader2.Dispose();
 			}
 		}
 	}

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

@@ -59,7 +59,6 @@ namespace YooAsset
 		}
 
 		private static int RequestCount = 0;
-
 		private readonly HostPlayModeImpl _impl;
 		private readonly int _updateResourceVersion;
 		private readonly int _timeout;
@@ -78,15 +77,6 @@ namespace YooAsset
 		{
 			RequestCount++;
 			_steps = ESteps.LoadWebManifestHash;
-
-			if (_impl.IgnoreResourceVersion && _updateResourceVersion > 0)
-			{
-				YooLogger.Warning($"Update resource version {_updateResourceVersion} is invalid when ignore resource version.");
-			}
-			else
-			{
-				YooLogger.Log($"Update patch manifest : update resource version is  {_updateResourceVersion}");
-			}
 		}
 		internal override void Update()
 		{
@@ -95,7 +85,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.LoadWebManifestHash)
 			{
-				string webURL = GetPatchManifestRequestURL(_updateResourceVersion, YooAssetSettingsData.Setting.PatchManifestHashFileName);
+				string webURL = GetPatchManifestRequestURL(YooAssetSettingsData.GetPatchManifestHashFileName(_updateResourceVersion));
 				YooLogger.Log($"Beginning to request patch manifest hash : {webURL}");
 				_downloaderHash = new UnityWebDataRequester();
 				_downloaderHash.SendRequest(webURL, _timeout);
@@ -107,37 +97,37 @@ namespace YooAsset
 				if (_downloaderHash.IsDone() == false)
 					return;
 
-				// Check fatal
+				// Check error
 				if (_downloaderHash.HasError())
 				{
-					Error = _downloaderHash.GetError();				
-					_downloaderHash.Dispose();
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					return;
-				}
-
-				// 获取补丁清单文件的哈希值
-				string webManifestHash = _downloaderHash.GetText();
-				_downloaderHash.Dispose();
-
-				// 如果补丁清单文件的哈希值相同
-				string currentFileHash = SandboxHelper.GetSandboxPatchManifestFileHash();
-				if (currentFileHash == webManifestHash)
-				{
-					YooLogger.Log($"Patch manifest file hash is not change : {webManifestHash}");
-					_steps = ESteps.InitPrepareCache;
+					Error = _downloaderHash.GetError();
 				}
 				else
 				{
-					YooLogger.Log($"Patch manifest hash is change : {webManifestHash} -> {currentFileHash}");
-					_steps = ESteps.LoadWebManifest;
+					string webManifestHash = _downloaderHash.GetText();
+					string cachedManifestHash = GetSandboxPatchManifestFileHash(_updateResourceVersion);
+
+					// 如果补丁清单文件的哈希值相同
+					if (cachedManifestHash == webManifestHash)
+					{
+						YooLogger.Log($"Patch manifest file hash is not change : {webManifestHash}");
+						LoadSandboxPatchManifest(_updateResourceVersion);
+						_steps = ESteps.InitPrepareCache;
+					}
+					else
+					{
+						YooLogger.Log($"Patch manifest hash is change : {webManifestHash} -> {cachedManifestHash}");
+						_steps = ESteps.LoadWebManifest;
+					}
 				}
+				_downloaderHash.Dispose();
 			}
 
 			if (_steps == ESteps.LoadWebManifest)
 			{
-				string webURL = GetPatchManifestRequestURL(_updateResourceVersion, YooAssetSettingsData.Setting.PatchManifestFileName);
+				string webURL = GetPatchManifestRequestURL(YooAssetSettingsData.GetPatchManifestFileName(_updateResourceVersion));
 				YooLogger.Log($"Beginning to request patch manifest : {webURL}");
 				_downloaderManifest = new UnityWebDataRequester();
 				_downloaderManifest.SendRequest(webURL, _timeout);
@@ -149,20 +139,28 @@ namespace YooAsset
 				if (_downloaderManifest.IsDone() == false)
 					return;
 
-				// Check fatal
+				// Check error
 				if (_downloaderManifest.HasError())
 				{
-					Error = _downloaderManifest.GetError();			
-					_downloaderManifest.Dispose();
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					return;
+					Error = _downloaderManifest.GetError();
+				}
+				else
+				{
+					// 解析补丁清单			
+					if (ParseAndSaveRemotePatchManifest(_updateResourceVersion, _downloaderManifest.GetText()))
+					{
+						_steps = ESteps.InitPrepareCache;
+					}
+					else
+					{
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Failed;
+						Error = $"URL : {_downloaderManifest.URL} Error : remote patch manifest content is invalid";
+					}
 				}
-
-				// 解析补丁清单			
-				ParseAndSaveRemotePatchManifest(_downloaderManifest.GetText());
 				_downloaderManifest.Dispose();
-				_steps = ESteps.InitPrepareCache;
 			}
 
 			if (_steps == ESteps.InitPrepareCache)
@@ -184,30 +182,58 @@ namespace YooAsset
 			}
 		}
 
-		private string GetPatchManifestRequestURL(int updateResourceVersion, string fileName)
+		private string GetPatchManifestRequestURL(string fileName)
 		{
-			string url;
-
 			// 轮流返回请求地址
 			if (RequestCount % 2 == 0)
-				url = _impl.GetPatchDownloadFallbackURL(updateResourceVersion, fileName);
+				return _impl.GetPatchDownloadFallbackURL(fileName);
 			else
-				url = _impl.GetPatchDownloadMainURL(updateResourceVersion, fileName);
-
-			// 注意：在URL末尾添加时间戳
-			if (_impl.IgnoreResourceVersion)
-				url = $"{url}?{System.DateTime.UtcNow.Ticks}";
-
-			return url;
+				return _impl.GetPatchDownloadMainURL(fileName);
 		}
-		private void ParseAndSaveRemotePatchManifest(string content)
-		{
-			_impl.LocalPatchManifest = PatchManifest.Deserialize(content);
 
-			// 注意：这里会覆盖掉沙盒内的补丁清单文件
-			YooLogger.Log("Save remote patch manifest file.");
-			string savePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.Setting.PatchManifestFileName);
-			PatchManifest.Serialize(savePath, _impl.LocalPatchManifest);
+		/// <summary>
+		/// 解析并保存远端请求的补丁清单
+		/// </summary>
+		private bool ParseAndSaveRemotePatchManifest(int updateResourceVersion, string content)
+		{
+			try
+			{
+				_impl.LocalPatchManifest = PatchManifest.Deserialize(content);
+
+				YooLogger.Log("Save remote patch manifest file.");
+				string savePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.GetPatchManifestFileName(updateResourceVersion));
+				PatchManifest.Serialize(savePath, _impl.LocalPatchManifest);
+				return true;
+			}
+			catch (Exception e)
+			{
+				YooLogger.Warning(e.ToString());
+				return false;
+			}
+		}
+
+		/// <summary>
+		/// 加载沙盒内的补丁清单
+		/// </summary>
+		private void LoadSandboxPatchManifest(int updateResourceVersion)
+		{
+			YooLogger.Log("Load sandbox patch manifest file.");
+			string filePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.GetPatchManifestFileName(updateResourceVersion));
+			string jsonData = File.ReadAllText(filePath);
+			_impl.LocalPatchManifest = PatchManifest.Deserialize(jsonData);
+		}
+
+		/// <summary>
+		/// 获取沙盒内补丁清单文件的哈希值
+		/// 注意：如果沙盒内补丁清单文件不存在，返回空字符串
+		/// </summary>
+		private string GetSandboxPatchManifestFileHash(int updateResourceVersion)
+		{
+			string filePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.GetPatchManifestFileName(updateResourceVersion));
+			if (File.Exists(filePath))
+				return HashUtility.FileMD5(filePath);
+			else
+				return string.Empty;
 		}
 
 		#region 多线程相关

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

@@ -0,0 +1,134 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
+
+namespace YooAsset
+{
+	/// <summary>
+	/// 更新静态版本操作
+	/// </summary>
+	public abstract class UpdateStaticVersionOperation : AsyncOperationBase
+	{
+		/// <summary>
+		/// 资源版本号
+		/// </summary>
+		public int ResourceVersion { protected set; get; } = 0;
+	}
+
+	/// <summary>
+	/// 编辑器下模拟运行的更新静态版本操作
+	/// </summary>
+	internal class EditorModeUpdateStaticVersionOperation : UpdateStaticVersionOperation
+	{
+		internal override void Start()
+		{
+			Status = EOperationStatus.Succeed;
+		}
+		internal override void Update()
+		{
+		}
+	}
+
+	/// <summary>
+	/// 离线模式的更新静态版本操作
+	/// </summary>
+	internal class OfflinePlayModeUpdateStaticVersionOperation : UpdateStaticVersionOperation
+	{
+		internal override void Start()
+		{
+			Status = EOperationStatus.Succeed;
+		}
+		internal override void Update()
+		{
+		}
+	}
+
+	/// <summary>
+	/// 网络模式的更新静态版本操作
+	/// </summary>
+	internal class HostPlayModeUpdateStaticVersionOperation : UpdateStaticVersionOperation
+	{
+		private enum ESteps
+		{
+			None,
+			LoadStaticVersion,
+			CheckStaticVersion,
+			Done,
+		}
+
+		private static int RequestCount = 0;
+		private readonly HostPlayModeImpl _impl;
+		private readonly int _timeout;
+		private ESteps _steps = ESteps.None;
+		private UnityWebDataRequester _downloader;
+
+		internal HostPlayModeUpdateStaticVersionOperation(HostPlayModeImpl impl, int timeout)
+		{
+			_impl = impl;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			RequestCount++;
+			_steps = ESteps.LoadStaticVersion;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadStaticVersion)
+			{
+				string webURL = GetStaticVersionRequestURL(YooAssetSettings.VersionFileName);
+				YooLogger.Log($"Beginning to request static version : {webURL}");
+				_downloader = new UnityWebDataRequester();
+				_downloader.SendRequest(webURL, _timeout);
+				_steps = ESteps.CheckStaticVersion;
+			}
+
+			if (_steps == ESteps.CheckStaticVersion)
+			{
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader.GetError();
+				}
+				else
+				{
+					if (int.TryParse(_downloader.GetText(), out int value))
+					{
+						ResourceVersion = value;
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Succeed;
+					}
+					else
+					{						
+						_steps = ESteps.Done;
+						Status = EOperationStatus.Failed;
+						Error = $"URL : {_downloader.URL} Error : static version content is invalid.";
+					}
+				}
+				_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/Operations/UpdateStaticVersionOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 60bb21def73049e4f83a108d0e741301
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs

@@ -26,11 +26,6 @@ namespace YooAsset
 		/// </summary>
 		public long SizeBytes;
 
-		/// <summary>
-		/// 文件版本
-		/// </summary>
-		public int Version;
-
 		/// <summary>
 		/// Tags
 		/// </summary>
@@ -59,13 +54,12 @@ namespace YooAsset
 
 
 
-		public PatchBundle(string bundleName, string hash, string crc, long sizeBytes, int version, string[] tags)
+		public PatchBundle(string bundleName, string hash, string crc, long sizeBytes, string[] tags)
 		{
 			BundleName = bundleName;
 			Hash = hash;
 			CRC = crc;
 			SizeBytes = sizeBytes;
-			Version = version;
 			Tags = tags;
 		}
 

Assets/YooAsset/Runtime/PatchSystem/PatchCache.cs

@@ -20,15 +20,16 @@ namespace YooAsset
 		public static PatchCache LoadCache()
 		{
 			if (SandboxHelper.CheckSandboxCacheFileExist())
-			{
-				YooLogger.Log("Load patch cache from disk.");
+			{				
 				string filePath = SandboxHelper.GetSandboxCacheFilePath();
 				string jsonData = FileUtility.ReadFile(filePath);
-				return JsonUtility.FromJson<PatchCache>(jsonData);
+				var patchCache = JsonUtility.FromJson<PatchCache>(jsonData);
+				YooLogger.Log($"Load cache file : {patchCache.CacheAppVersion}");
+				return patchCache;
 			}
 			else
 			{
-				YooLogger.Log($"Create patch cache to disk : {Application.version}");
+				YooLogger.Log($"Create cache file : {Application.version}");
 				PatchCache cache = new PatchCache();
 				cache.CacheAppVersion = Application.version;
 				string filePath = SandboxHelper.GetSandboxCacheFilePath();

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

@@ -28,7 +28,7 @@ namespace YooAsset
 		BundleInfo IBundleServices.GetBundleInfo(string bundleName)
 		{
 			YooLogger.Warning($"Editor play mode can not get bundle info.");
-			BundleInfo bundleInfo = new BundleInfo(bundleName, bundleName);
+			BundleInfo bundleInfo = new BundleInfo(bundleName);
 			return bundleInfo;
 		}
 		string IBundleServices.GetBundleName(string assetPath)

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

@@ -12,18 +12,15 @@ namespace YooAsset
 
 		// 参数相关
 		internal bool ClearCacheWhenDirty { private set; get; }
-		internal bool IgnoreResourceVersion { private set; get; }
 		private string _defaultHostServer;
 		private string _fallbackHostServer;
 
 		/// <summary>
 		/// 异步初始化
 		/// </summary>
-		public InitializationOperation InitializeAsync(bool clearCacheWhenDirty, bool ignoreResourceVersion,
-			 string defaultHostServer, string fallbackHostServer)
+		public InitializationOperation InitializeAsync(bool clearCacheWhenDirty, string defaultHostServer, string fallbackHostServer)
 		{
 			ClearCacheWhenDirty = clearCacheWhenDirty;
-			IgnoreResourceVersion = ignoreResourceVersion;
 			_defaultHostServer = defaultHostServer;
 			_fallbackHostServer = fallbackHostServer;
 
@@ -32,6 +29,16 @@ namespace YooAsset
 			return operation;
 		}
 
+		/// <summary>
+		/// 异步更新资源版本号
+		/// </summary>
+		public UpdateStaticVersionOperation UpdateStaticVersionAsync(int timeout)
+		{
+			var operation = new HostPlayModeUpdateStaticVersionOperation(this, timeout);
+			OperationSystem.ProcessOperaiton(operation);
+			return operation;
+		}
+
 		/// <summary>
 		/// 异步更新补丁清单
 		/// </summary>
@@ -166,19 +173,13 @@ namespace YooAsset
 		}
 
 		// WEB相关
-		public string GetPatchDownloadMainURL(int resourceVersion, string fileName)
+		public string GetPatchDownloadMainURL(string fileName)
 		{
-			if (IgnoreResourceVersion)
-				return $"{_defaultHostServer}/{fileName}";
-			else
-				return $"{_defaultHostServer}/{resourceVersion}/{fileName}";
+			return $"{_defaultHostServer}/{fileName}";
 		}
-		public string GetPatchDownloadFallbackURL(int resourceVersion, string fileName)
+		public string GetPatchDownloadFallbackURL(string fileName)
 		{
-			if (IgnoreResourceVersion)
-				return $"{_fallbackHostServer}/{fileName}";
-			else
-				return $"{_fallbackHostServer}/{resourceVersion}/{fileName}";
+			return $"{_fallbackHostServer}/{fileName}";
 		}
 
 		// 下载相关
@@ -195,10 +196,9 @@ namespace YooAsset
 		private BundleInfo ConvertToDownloadInfo(PatchBundle patchBundle)
 		{
 			// 注意：资源版本号只用于确定下载路径
-			string sandboxPath = SandboxHelper.MakeSandboxCacheFilePath(patchBundle.Hash);
-			string remoteMainURL = GetPatchDownloadMainURL(patchBundle.Version, patchBundle.Hash);
-			string remoteFallbackURL = GetPatchDownloadFallbackURL(patchBundle.Version, patchBundle.Hash);
-			BundleInfo bundleInfo = new BundleInfo(patchBundle, sandboxPath, remoteMainURL, remoteFallbackURL);
+			string remoteMainURL = GetPatchDownloadMainURL(patchBundle.Hash);
+			string remoteFallbackURL = GetPatchDownloadFallbackURL(patchBundle.Hash);
+			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromRemote, remoteMainURL, remoteFallbackURL);
 			return bundleInfo;
 		}
 
@@ -206,36 +206,34 @@ namespace YooAsset
 		BundleInfo IBundleServices.GetBundleInfo(string bundleName)
 		{
 			if (string.IsNullOrEmpty(bundleName))
-				return new BundleInfo(string.Empty, string.Empty);
+				return new BundleInfo(string.Empty);
 
 			if (LocalPatchManifest.Bundles.TryGetValue(bundleName, out PatchBundle patchBundle))
 			{
+				// 查询沙盒资源				
+				if (DownloadSystem.ContainsVerifyFile(patchBundle.Hash))
+				{
+					BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromCache);
+					return bundleInfo;
+				}
+
 				// 查询APP资源
 				if (AppPatchManifest.Bundles.TryGetValue(bundleName, out PatchBundle appPatchBundle))
 				{
 					if (appPatchBundle.IsBuildin && appPatchBundle.Hash == patchBundle.Hash)
 					{
-						string appLoadPath = PathHelper.MakeStreamingLoadPath(appPatchBundle.Hash);
-						BundleInfo bundleInfo = new BundleInfo(appPatchBundle, appLoadPath);
+						BundleInfo bundleInfo = new BundleInfo(appPatchBundle, BundleInfo.ELoadMode.LoadFromStreaming);
 						return bundleInfo;
 					}
 				}
 
-				// 查询沙盒资源				
-				if (DownloadSystem.ContainsVerifyFile(patchBundle.Hash))
-				{
-					string sandboxLoadPath = SandboxHelper.MakeSandboxCacheFilePath(patchBundle.Hash);
-					BundleInfo bundleInfo = new BundleInfo(patchBundle, sandboxLoadPath);
-					return bundleInfo;
-				}
-
 				// 从服务端下载
 				return ConvertToDownloadInfo(patchBundle);
 			}
 			else
 			{
 				YooLogger.Warning($"Not found bundle in patch manifest : {bundleName}");
-				BundleInfo bundleInfo = new BundleInfo(bundleName, string.Empty);
+				BundleInfo bundleInfo = new BundleInfo(bundleName);
 				return bundleInfo;
 			}
 		}

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

@@ -42,18 +42,17 @@ namespace YooAsset
 		BundleInfo IBundleServices.GetBundleInfo(string bundleName)
 		{
 			if (string.IsNullOrEmpty(bundleName))
-				return new BundleInfo(string.Empty, string.Empty);
+				return new BundleInfo(string.Empty);
 
 			if (AppPatchManifest.Bundles.TryGetValue(bundleName, out PatchBundle patchBundle))
 			{
-				string localPath = PathHelper.MakeStreamingLoadPath(patchBundle.Hash);
-				BundleInfo bundleInfo = new BundleInfo(patchBundle, localPath);
+				BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromStreaming);
 				return bundleInfo;
 			}
 			else
 			{
 				YooLogger.Warning($"Not found bundle in patch manifest : {bundleName}");
-				BundleInfo bundleInfo = new BundleInfo(bundleName, string.Empty);
+				BundleInfo bundleInfo = new BundleInfo(bundleName);
 				return bundleInfo;
 			}
 		}

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

@@ -0,0 +1,12 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+/*
+namespace YooAsset
+{
+	internal class WebPlayModeImpl : IBundleServices
+	{
+	}
+}
+*/

Assets/YooAsset/Runtime/PatchSystem/PlayMode/WebPlayModeImpl.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 03baa90d8f534834c9c31d469a507f66
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/Services.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: bf4cc5f446778bc428a69fdcd183e447
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/Services/AddressLocationServices.cs

@@ -0,0 +1,11 @@
+
+namespace YooAsset
+{
+	public class AddressLocationServices : ILocationServices
+	{
+		public string ConvertLocationToAssetPath(YooAssets.EPlayMode playMode, string location)
+		{
+			throw new System.NotImplementedException("该功能暂未支持！");
+		}
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: a8d6592eded144142afcf85c79cf1ce4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/Services/DefaultLocationServices.cs

@@ -0,0 +1,105 @@
+using System.IO;
+using UnityEngine;
+
+namespace YooAsset
+{
+	public class DefaultLocationServices : ILocationServices
+	{
+		private readonly string _resourceRoot;
+
+		public DefaultLocationServices(string resourceRoot)
+		{
+			if (string.IsNullOrEmpty(resourceRoot) == false)
+				_resourceRoot = PathHelper.GetRegularPath(resourceRoot);
+		}
+		public string ConvertLocationToAssetPath(YooAssets.EPlayMode playMode, string location)
+		{
+#if UNITY_EDITOR
+			CheckLocation(location);
+#endif
+
+			if (playMode == YooAssets.EPlayMode.EditorPlayMode)
+			{
+				string filePath = CombineAssetPath(_resourceRoot, location);
+				return FindDatabaseAssetPath(filePath);
+			}
+			else
+			{
+				return CombineAssetPath(_resourceRoot, location);
+			}
+		}
+
+		/// <summary>
+		/// 合并资源路径
+		/// </summary>
+		private static string CombineAssetPath(string root, string location)
+		{
+			if (string.IsNullOrEmpty(root))
+				return location;
+			else
+				return $"{root}/{location}";
+		}
+
+		/// <summary>
+		/// 获取AssetDatabase的加载路径
+		/// </summary>
+		private static string FindDatabaseAssetPath(string filePath)
+		{
+#if UNITY_EDITOR
+			if (File.Exists(filePath))
+				return filePath;
+
+			// AssetDatabase加载资源需要提供文件后缀格式，然而资源定位地址并没有文件格式信息。
+			// 所以我们通过查找该文件所在文件夹内同名的首个文件来确定AssetDatabase的加载路径。
+			// 注意：AssetDatabase.FindAssets() 返回文件内包括递归文件夹内所有资源的GUID
+			string fileName = Path.GetFileName(filePath);
+			string directory = PathHelper.GetDirectory(filePath);
+			string[] guids = UnityEditor.AssetDatabase.FindAssets(string.Empty, new[] { directory });
+			for (int i = 0; i < guids.Length; i++)
+			{
+				string assetPath = UnityEditor.AssetDatabase.GUIDToAssetPath(guids[i]);
+
+				if (UnityEditor.AssetDatabase.IsValidFolder(assetPath))
+					continue;
+
+				string assetDirectory = PathHelper.GetDirectory(assetPath);
+				if (assetDirectory != directory)
+					continue;
+
+				string assetName = Path.GetFileNameWithoutExtension(assetPath);
+				if (assetName == fileName)
+					return assetPath;
+			}
+
+			// 没有找到同名的资源文件
+			YooLogger.Warning($"Not found asset : {filePath}");
+			return filePath;
+#else
+			throw new System.NotImplementedException();
+#endif
+		}
+
+#if UNITY_EDITOR
+		private void CheckLocation(string location)
+		{
+			if (string.IsNullOrEmpty(location))
+			{
+				Debug.LogError("location param is null or empty!");
+			}
+			else
+			{
+				// 检查路径末尾是否有空格
+				int index = location.LastIndexOf(" ");
+				if (index != -1)
+				{
+					if (location.Length == index + 1)
+						Debug.LogWarning($"Found blank character in location : \"{location}\"");
+				}
+
+				if (location.IndexOfAny(Path.GetInvalidPathChars()) >= 0)
+					Debug.LogWarning($"Found illegal character in location : \"{location}\"");
+			}
+		}
+#endif
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8d996937ba73c9b4bb942b8ba6f43398
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/Services/ILocationServices.cs

@@ -0,0 +1,11 @@
+
+namespace YooAsset
+{
+	public interface ILocationServices
+	{
+		/// <summary>
+		/// 定位地址转换为资源路径
+		/// </summary>
+		string ConvertLocationToAssetPath(YooAssets.EPlayMode playMode, string location);
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cfc81e18e5b5f6f4b821c7427b34d349
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/Settings/YooAssetSettings.cs

@@ -18,12 +18,7 @@ namespace YooAsset
 		/// <summary>
 		/// 构建输出的补丁清单文件名称
 		/// </summary>
-		public string PatchManifestFileName = "PatchManifest.bytes";
-
-		/// <summary>
-		/// 构建输出的补丁清单哈希文件名称
-		/// </summary>
-		public string PatchManifestHashFileName = "PatchManifestHash.bytes";
+		public string PatchManifestFileName = "PatchManifest";
 
 		/// <summary>
 		/// 构建输出的Unity清单文件名称
@@ -34,5 +29,10 @@ namespace YooAsset
 		/// 构建输出的报告文件
 		/// </summary>
 		public const string ReportFileName = "BuildReport.json";
+
+		/// <summary>
+		/// 静态版本文件
+		/// </summary>
+		public const string VersionFileName = "StaticVersion.bytes";
 	}
 }

Assets/YooAsset/Runtime/Settings/YooAssetSettingsData.cs

@@ -31,5 +31,21 @@ namespace YooAsset
 				YooLogger.Log("YooAsset use custom settings.");
 			}
 		}
+
+		/// <summary>
+		/// 获取补丁清单文件完整名称
+		/// </summary>
+		public static string GetPatchManifestFileName(int resourceVersion)
+		{
+			return $"{Setting.PatchManifestFileName}_{resourceVersion}.bytes";
+		}
+
+		/// <summary>
+		/// 获取补丁清单哈希文件完整名称
+		/// </summary>
+		public static string GetPatchManifestHashFileName(int resourceVersion)
+		{
+			return $"{Setting.PatchManifestFileName}_{resourceVersion}.hash";
+		}
 	}
 }

Assets/YooAsset/Runtime/Utility/YooHelper.cs

@@ -61,7 +61,6 @@ namespace YooAsset
 		/// </summary>
 		public static string ConvertToWWWPath(string path)
 		{
-			// 注意：WWW加载方式，必须要在路径前面加file://
 #if UNITY_EDITOR
 			return StringUtility.Format("file:///{0}", path);
 #elif UNITY_IPHONE
@@ -70,56 +69,8 @@ namespace YooAsset
 			return path;
 #elif UNITY_STANDALONE
 			return StringUtility.Format("file:///{0}", path);
-#endif
-		}
-
-		/// <summary>
-		/// 合并资源路径
-		/// </summary>
-		public static string CombineAssetPath(string root, string location)
-		{
-			if (string.IsNullOrEmpty(root))
-				return location;
-			else
-				return $"{root}/{location}";
-		}
-
-		/// <summary>
-		/// 获取AssetDatabase的加载路径
-		/// </summary>
-		public static string FindDatabaseAssetPath(string filePath)
-		{
-#if UNITY_EDITOR
-			if (File.Exists(filePath))
-				return filePath;
-
-			// AssetDatabase加载资源需要提供文件后缀格式，然而资源定位地址并没有文件格式信息。
-			// 所以我们通过查找该文件所在文件夹内同名的首个文件来确定AssetDatabase的加载路径。
-			// 注意：AssetDatabase.FindAssets() 返回文件内包括递归文件夹内所有资源的GUID
-			string fileName = Path.GetFileName(filePath);
-			string directory = GetDirectory(filePath);
-			string[] guids = UnityEditor.AssetDatabase.FindAssets(string.Empty, new[] { directory });
-			for (int i = 0; i < guids.Length; i++)
-			{
-				string assetPath = UnityEditor.AssetDatabase.GUIDToAssetPath(guids[i]);
-
-				if (UnityEditor.AssetDatabase.IsValidFolder(assetPath))
-					continue;
-
-				string assetDirectory = GetDirectory(assetPath);
-				if (assetDirectory != directory)
-					continue;
-
-				string assetName = Path.GetFileNameWithoutExtension(assetPath);
-				if (assetName == fileName)
-					return assetPath;
-			}
-
-			// 没有找到同名的资源文件
-			YooLogger.Warning($"Not found asset : {filePath}");
-			return filePath;
-#else
-			throw new System.NotImplementedException();
+#elif UNITY_WEBGL
+			return path;
 #endif
 		}
 	}
@@ -142,16 +93,6 @@ namespace YooAsset
 				Directory.Delete(directoryPath, true);
 		}
 
-		/// <summary>
-		/// 删除沙盒内补丁清单文件
-		/// </summary>
-		public static void DeleteSandboxPatchManifestFile()
-		{
-			string filePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.Setting.PatchManifestFileName);
-			if (File.Exists(filePath))
-				File.Delete(filePath);
-		}
-
 		/// <summary>
 		/// 删除沙盒内的缓存文件
 		/// </summary>
@@ -190,29 +131,6 @@ namespace YooAsset
 			return File.Exists(filePath);
 		}
 
-		/// <summary>
-		/// 检测沙盒内补丁清单文件是否存在
-		/// </summary>
-		public static bool CheckSandboxPatchManifestFileExist()
-		{
-			string filePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.Setting.PatchManifestFileName);
-			return File.Exists(filePath);
-		}
-
-		/// <summary>
-		/// 获取沙盒内补丁清单文件的哈希值
-		/// 注意：如果沙盒内补丁清单文件不存在，返回空字符串
-		/// </summary>
-		/// <returns></returns>
-		public static string GetSandboxPatchManifestFileHash()
-		{
-			string filePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.Setting.PatchManifestFileName);
-			if (File.Exists(filePath))
-				return HashUtility.FileMD5(filePath);
-			else
-				return string.Empty;
-		}
-
 		/// <summary>
 		/// 获取缓存文件的存储路径
 		/// </summary>
@@ -232,6 +150,7 @@ namespace YooAsset
 		/// </summary>
 		public static List<BundleInfo> GetUnpackListByTags(PatchManifest appPatchManifest, string[] tags)
 		{
+			// 注意：离线运行模式也依赖下面逻辑，所以判断沙盒内文件是否存在不能通过缓存系统去验证。
 			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
 			foreach (var patchBundle in appPatchManifest.BundleList)
 			{
@@ -244,19 +163,11 @@ namespace YooAsset
 				if (patchBundle.IsBuildin == false)
 					continue;
 
-				// 如果是纯内置资源
-				if (patchBundle.IsPureBuildin())
+				// 查询DLC资源
+				if (patchBundle.HasTag(tags))
 				{
 					downloadList.Add(patchBundle);
 				}
-				else
-				{
-					// 查询DLC资源
-					if (patchBundle.HasTag(tags))
-					{
-						downloadList.Add(patchBundle);
-					}
-				}
 			}
 
 			return ConvertToUnpackList(downloadList);
@@ -273,9 +184,10 @@ namespace YooAsset
 		}
 		private static BundleInfo ConvertToUnpackInfo(PatchBundle patchBundle)
 		{
-			string sandboxPath = SandboxHelper.MakeSandboxCacheFilePath(patchBundle.Hash);
-			string streamingLoadPath = PathHelper.MakeStreamingLoadPath(patchBundle.Hash);
-			BundleInfo bundleInfo = new BundleInfo(patchBundle, sandboxPath, streamingLoadPath, streamingLoadPath);
+			// 注意：我们把流加载路径指定为远端下载地址
+			string streamingPath = PathHelper.MakeStreamingLoadPath(patchBundle.Hash);
+			streamingPath = PathHelper.ConvertToWWWPath(streamingPath);
+			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromRemote, streamingPath, streamingPath);
 			return bundleInfo;
 		}
 	}

Assets/YooAsset/Runtime/YooAssets.cs

@@ -10,7 +10,7 @@ namespace YooAsset
 		/// <summary>
 		/// 运行模式
 		/// </summary>
-		private enum EPlayMode
+		public enum EPlayMode
 		{
 			/// <summary>
 			/// 编辑器下模拟运行模式
@@ -28,16 +28,18 @@ namespace YooAsset
 			HostPlayMode,
 		}
 
+		/// <summary>
+		/// 初始化参数
+		/// </summary>
 		public abstract class CreateParameters
 		{
 			/// <summary>
-			/// 资源定位的根路径
-			/// 例如：Assets/MyResource
+			/// 资源定位服务接口
 			/// </summary>
-			public string LocationRoot;
+			public ILocationServices LocationServices = null;
 
 			/// <summary>
-			/// 文件解密接口
+			/// 文件解密服务接口
 			/// </summary>
 			public IDecryptionServices DecryptionServices = null;
 
@@ -82,11 +84,6 @@ namespace YooAsset
 			/// </summary>
 			public bool ClearCacheWhenDirty;
 
-			/// <summary>
-			/// 忽略资源版本号
-			/// </summary>
-			public bool IgnoreResourceVersion;
-
 			/// <summary>
 			/// 默认的资源服务器下载地址
 			/// </summary>
@@ -105,9 +102,9 @@ namespace YooAsset
 
 
 		private static bool _isInitialize = false;
-		private static string _locationRoot;
 		private static EPlayMode _playMode;
 		private static IBundleServices _bundleServices;
+		private static ILocationServices _locationServices;
 		private static EditorPlayModeImpl _editorPlayModeImpl;
 		private static OfflinePlayModeImpl _offlinePlayModeImpl;
 		private static HostPlayModeImpl _hostPlayModeImpl;
@@ -124,6 +121,11 @@ namespace YooAsset
 			if (parameters == null)
 				throw new Exception($"YooAsset create parameters is null.");
 
+			if (parameters.LocationServices == null)
+				throw new Exception($"{nameof(IBundleServices)} is null.");
+			else
+				_locationServices = parameters.LocationServices;
+
 #if !UNITY_EDITOR
 			if (parameters is EditorPlayModeParameters)
 				throw new Exception($"Editor play mode only support unity editor.");
@@ -154,9 +156,6 @@ namespace YooAsset
 				YooLogger.Warning($"{nameof(parameters.OperationSystemMaxTimeSlice)} minimum value is 33 milliseconds");
 			}
 
-			if (string.IsNullOrEmpty(parameters.LocationRoot) == false)
-				_locationRoot = PathHelper.GetRegularPath(parameters.LocationRoot);
-
 			if (parameters.AutoReleaseInterval > 0)
 				_releaseCD = parameters.AutoReleaseInterval;
 
@@ -176,8 +175,12 @@ namespace YooAsset
 			// 初始化下载系统
 			if (_playMode == EPlayMode.HostPlayMode)
 			{
+#if UNITY_WEBGL
+				throw new Exception($"{EPlayMode.HostPlayMode} not supports WebGL platform !");
+#else
 				var hostPlayModeParameters = parameters as HostPlayModeParameters;
 				DownloadSystem.Initialize(hostPlayModeParameters.BreakpointResumeFileSize);
+#endif
 			}
 
 			// 初始化资源系统
@@ -203,7 +206,6 @@ namespace YooAsset
 				var hostPlayModeParameters = parameters as HostPlayModeParameters;
 				return _hostPlayModeImpl.InitializeAsync(
 					hostPlayModeParameters.ClearCacheWhenDirty,
-					hostPlayModeParameters.IgnoreResourceVersion,
 					hostPlayModeParameters.DefaultHostServer,
 					hostPlayModeParameters.FallbackHostServer);
 			}
@@ -213,6 +215,37 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 向网络端请求静态资源版本号
+		/// </summary>
+		/// <param name="timeout">超时时间（默认值：60秒）</param>
+		/// <returns></returns>
+		public static UpdateStaticVersionOperation UpdateStaticVersionAsync(int timeout = 60)
+		{
+			if (_playMode == EPlayMode.EditorPlayMode)
+			{
+				var operation = new EditorModeUpdateStaticVersionOperation();
+				OperationSystem.ProcessOperaiton(operation);
+				return operation;
+			}
+			else if (_playMode == EPlayMode.OfflinePlayMode)
+			{
+				var operation = new OfflinePlayModeUpdateStaticVersionOperation();
+				OperationSystem.ProcessOperaiton(operation);
+				return operation;
+			}
+			else if (_playMode == EPlayMode.HostPlayMode)
+			{
+				if (_hostPlayModeImpl == null)
+					throw new Exception("YooAsset is not initialized.");
+				return _hostPlayModeImpl.UpdateStaticVersionAsync(timeout);
+			}
+			else
+			{
+				throw new NotImplementedException();
+			}
+		}
+
 		/// <summary>
 		/// 向网络端请求并更新补丁清单
 		/// </summary>
@@ -278,7 +311,7 @@ namespace YooAsset
 		/// </summary>
 		public static BundleInfo GetBundleInfo(string location)
 		{
-			string assetPath = ConvertLocationToAssetPath(location);
+			string assetPath = _locationServices.ConvertLocationToAssetPath(_playMode, location);
 			string bundleName = _bundleServices.GetBundleName(assetPath);
 			return _bundleServices.GetBundleInfo(bundleName);
 		}
@@ -321,7 +354,7 @@ namespace YooAsset
 		/// <param name="priority">优先级</param>
 		public static SceneOperationHandle LoadSceneAsync(string location, LoadSceneMode sceneMode = LoadSceneMode.Single, bool activateOnLoad = true, int priority = 100)
 		{
-			string scenePath = ConvertLocationToAssetPath(location);
+			string scenePath = _locationServices.ConvertLocationToAssetPath(_playMode, location);
 			var handle = AssetSystem.LoadSceneAsync(scenePath, sceneMode, activateOnLoad, priority);
 			return handle;
 		}
@@ -331,10 +364,12 @@ namespace YooAsset
 		/// <summary>
 		/// 异步加载原生文件
 		/// </summary>
-		public static RawFileOperation LoadRawFileAsync(string location, string savePath)
+		/// <param name="location">资源的定位地址</param>
+		/// <param name="copyPath">拷贝路径</param>
+		public static RawFileOperation LoadRawFileAsync(string location, string copyPath = null)
 		{
-			string assetPath = ConvertLocationToAssetPath(location);
-			return AssetSystem.LoadRawFileAsync(assetPath, savePath);
+			string assetPath = _locationServices.ConvertLocationToAssetPath(_playMode, location);
+			return AssetSystem.LoadRawFileAsync(assetPath, copyPath);
 		}
 
 
@@ -342,7 +377,7 @@ namespace YooAsset
 		/// 同步加载资源对象
 		/// </summary>
 		/// <typeparam name="TObject">资源类型</typeparam>
-		/// <param name="location">资源对象相对路径</param>
+		/// <param name="location">资源的定位地址</param>
 		public static AssetOperationHandle LoadAssetSync<TObject>(string location) where TObject : class
 		{
 			return LoadAssetInternal(location, typeof(TObject), true);
@@ -351,7 +386,7 @@ namespace YooAsset
 		/// <summary>
 		/// 同步加载资源对象
 		/// </summary>
-		/// <param name="location">资源对象相对路径</param>
+		/// <param name="location">资源的定位地址</param>
 		/// <param name="type">资源类型</param>
 		public static AssetOperationHandle LoadAssetSync(string location, System.Type type)
 		{
@@ -362,7 +397,7 @@ namespace YooAsset
 		/// 同步加载子资源对象
 		/// </summary>
 		/// <typeparam name="TObject">资源类型</typeparam>
-		/// <param name="location">资源对象相对路径</param>
+		/// <param name="location">资源的定位地址</param>
 		public static SubAssetsOperationHandle LoadSubAssetsSync<TObject>(string location)
 		{
 			return LoadSubAssetsInternal(location, typeof(TObject), true);
@@ -371,7 +406,7 @@ namespace YooAsset
 		/// <summary>
 		/// 同步加载子资源对象
 		/// </summary>
-		/// <param name="location">资源对象相对路径</param>
+		/// <param name="location">资源的定位地址</param>
 		/// <param name="type">子对象类型</param>
 		public static SubAssetsOperationHandle LoadSubAssetsSync(string location, System.Type type)
 		{
@@ -383,7 +418,7 @@ namespace YooAsset
 		/// 异步加载资源对象
 		/// </summary>
 		/// <typeparam name="TObject">资源类型</typeparam>
-		/// <param name="location">资源对象相对路径</param>
+		/// <param name="location">资源的定位地址</param>
 		public static AssetOperationHandle LoadAssetAsync<TObject>(string location)
 		{
 			return LoadAssetInternal(location, typeof(TObject), false);
@@ -392,7 +427,7 @@ namespace YooAsset
 		/// <summary>
 		/// 异步加载资源对象
 		/// </summary>
-		/// <param name="location">资源对象相对路径</param>
+		/// <param name="location">资源的定位地址</param>
 		/// <param name="type">资源类型</param>
 		public static AssetOperationHandle LoadAssetAsync(string location, System.Type type)
 		{
@@ -403,7 +438,7 @@ namespace YooAsset
 		/// 异步加载子资源对象
 		/// </summary>
 		/// <typeparam name="TObject">资源类型</typeparam>
-		/// <param name="location">资源对象相对路径</param>
+		/// <param name="location">资源的定位地址</param>
 		public static SubAssetsOperationHandle LoadSubAssetsAsync<TObject>(string location)
 		{
 			return LoadSubAssetsInternal(location, typeof(TObject), false);
@@ -412,7 +447,7 @@ namespace YooAsset
 		/// <summary>
 		/// 异步加载子资源对象
 		/// </summary>
-		/// <param name="location">资源对象相对路径</param>
+		/// <param name="location">资源的定位地址</param>
 		/// <param name="type">子对象类型</param>
 		public static SubAssetsOperationHandle LoadSubAssetsAsync(string location, System.Type type)
 		{
@@ -422,7 +457,7 @@ namespace YooAsset
 
 		private static AssetOperationHandle LoadAssetInternal(string location, System.Type assetType, bool waitForAsyncComplete)
 		{
-			string assetPath = ConvertLocationToAssetPath(location);
+			string assetPath = _locationServices.ConvertLocationToAssetPath(_playMode, location);
 			var handle = AssetSystem.LoadAssetAsync(assetPath, assetType);
 			if (waitForAsyncComplete)
 				handle.WaitForAsyncComplete();
@@ -430,7 +465,7 @@ namespace YooAsset
 		}
 		private static SubAssetsOperationHandle LoadSubAssetsInternal(string location, System.Type assetType, bool waitForAsyncComplete)
 		{
-			string assetPath = ConvertLocationToAssetPath(location);
+			string assetPath = _locationServices.ConvertLocationToAssetPath(_playMode, location);
 			var handle = AssetSystem.LoadSubAssetsAsync(assetPath, assetType);
 			if (waitForAsyncComplete)
 				handle.WaitForAsyncComplete();
@@ -510,7 +545,7 @@ namespace YooAsset
 				List<string> assetPaths = new List<string>(locations.Length);
 				foreach (var location in locations)
 				{
-					string assetPath = ConvertLocationToAssetPath(location);
+					string assetPath = _locationServices.ConvertLocationToAssetPath(_playMode, location);
 					assetPaths.Add(assetPath);
 				}
 				return _hostPlayModeImpl.CreateDownloaderByPaths(assetPaths, downloadingMaxNumber, failedTryAgain);
@@ -613,22 +648,6 @@ namespace YooAsset
 				}
 			}
 		}
-
-		/// <summary>
-		/// 定位地址转换为资源路径
-		/// </summary>
-		private static string ConvertLocationToAssetPath(string location)
-		{
-			if (_playMode == EPlayMode.EditorPlayMode)
-			{
-				string filePath = PathHelper.CombineAssetPath(_locationRoot, location);
-				return PathHelper.FindDatabaseAssetPath(filePath);
-			}
-			else
-			{
-				return PathHelper.CombineAssetPath(_locationRoot, location);
-			}
-		}
 		#endregion
 	}
 }

Assets/YooAsset/package.json

@@ -1,7 +1,7 @@
 {
     "name": "com.tuyoogame.yooasset",
     "displayName": "YooAsset",
-    "version": "1.0.2",
+    "version": "1.0.4",
     "unity": "2019.4",
     "description": "unity3d resources management system",
     "author": {

Docs/AssetDeploy.md

@@ -4,23 +4,19 @@
 
 如果是本地测试，可以在本地创建一个WEB服务器，然后将补丁包拷贝到WEB服务器下。
 
-**按照补丁版本目录部署**
-
-````
-CDN
-└─android
-    ├─100
-    ├─101
-    └─102
-````
-
 **按照游戏版本目录部署**
 
+在业务开发过程中，每个游戏版本实际都会创建一个SVN分支，该分支工程内每次构建的补丁包上传到对应的CDN目录下即可。
+
 ````
 CDN
 └─android
     ├─v1.0
     ├─v1.1
     └─v2.0
+└─iphone
+    ├─v1.0
+    ├─v1.1
+    └─v2.0   
 ````
 

Docs/CodeTutorial1.md

@@ -17,7 +17,7 @@ YooAssets.InitializeAsync(CreateParameters parameters);
 private IEnumerator InitializeYooAsset()
 {
     var createParameters = new YooAssets.EditorPlayModeParameters();
-    createParameters.LocationRoot = "Assets/GameRes";
+    createParameters.LocationServices = new DefaultLocationServices("Assets/GameRes");
     yield return YooAssets.InitializeAsync(createParameters);
 }
 ````
@@ -32,7 +32,7 @@ private IEnumerator InitializeYooAsset()
 private IEnumerator InitializeYooAsset()
 {
     var createParameters = new YooAssets.OfflinePlayModeParameters();
-    createParameters.LocationRoot = "Assets/GameRes";
+    createParameters.LocationServices = new DefaultLocationServices("Assets/GameRes");
     yield return YooAssets.InitializeAsync(createParameters);
 }
 ````
@@ -43,10 +43,12 @@ private IEnumerator InitializeYooAsset()
 
 注意：该模式需要构建资源包
 
-- LocationRoot : 资源定位的根路径，所有通过代码加载的资源文件都需要放在资源定位的根路径下。
+- LocationServices : 资源定位的实例类。
+  1. 默认的资源定位服务类（DefaultLocationServices）
+  2. 可寻址的资源定位服务类（AdressLocationServices）
+  3. 开发者自定义的资源定位服务类，需要提供实现ILocationServices接口的实例类。
 - DecryptionServices : 如果资源包在构建的时候有加密，需要提供实现IDecryptionServices接口的实例类。
 - ClearCacheWhenDirty : 安装包在覆盖安装的时候，是否清空沙盒缓存文件夹。
-- IgnoreResourceVersion : 是否忽略资源版本号，请参考进阶教程。
 - DefaultHostServer : 默认的资源服务器IP地址。
 - FallbackHostServer : 备用的资源服务器IP地址。
 
@@ -54,10 +56,9 @@ private IEnumerator InitializeYooAsset()
 private IEnumerator InitializeYooAsset()
 {
     var createParameters = new YooAssets.HostPlayModeParameters();
-    createParameters.LocationRoot = "Assets/GameRes";
+    createParameters.LocationServices = new DefaultLocationServices("Assets/GameRes");
     createParameters.DecryptionServices = null;
     createParameters.ClearCacheWhenDirty = false;
-    createParameters.IgnoreResourceVersion = false;
     createParameters.DefaultHostServer = "http://127.0.0.1/CDN1/Android";
     createParameters.FallbackHostServer = "http://127.0.0.1/CDN2/Android";
     yield return YooAssets.InitializeAsync(createParameters);

Docs/CodeTutorial2.md

@@ -1,18 +1,39 @@
 # 资源更新
 
+**获取资源版本**
+
+对于联机运行模式，在更新补丁清单之前，需要获取一个资源版本号。
+
+该资源版本号，可以通过YooAssets提供的接口来更新，也可以通过HTTP访问游戏服务器来获取。
+
+````c#
+private IEnumerator UpdateStaticVersion()
+{
+    UpdateStaticVersionOperation operation = YooAssets.UpdateStaticVersionAsync();
+    yield return operation;
+
+    if (operation.Status == EOperationStatus.Succeed)
+    {
+        //更新成功
+        int resourceVersion = operation.ResourceVersion;
+        Debug.Log($"Update resource Version : {resourceVersion}");
+    }
+    else
+    {
+        //更新失败
+        Debug.LogError(operation.Error);
+    }
+}
+````
+
 **更新补丁清单**
 
-对于联机运行模式，在初始化资源系统之后，需要立刻更新资源清单。
-
-**注意**：在初始化资源系统的时候，可以选择是否忽略资源版本号，这会影响到我们的更新步骤。
-
-- 没有忽略资源版本号：在更新之前先获取更新的资源版本号，一般通过HTTP访问游戏服务器来获取。
-- 忽略资源版本号：在更新的时候，资源版本号可以设置为0。
+对于联机运行模式，在获取到资源版本号之后，就可以更新资源清单了。
 
 ````c#
 private IEnumerator UpdatePatchManifest()
 {
-    UpdateManifestOperation operation = YooAssets.UpdateManifestAsync(updateResourceVersion);
+    UpdateManifestOperation operation = YooAssets.UpdateManifestAsync(resourceVersion);
     yield return operation;
 
     if (operation.Status == EOperationStatus.Succeed)

Docs/CodeTutorial3.md

@@ -1,7 +1,5 @@
 # 资源加载
 
-在加载资源对象的时候只需要提供相对路径，统一约定该相对路径名称为：location
-
 加载接口：
 
 - YooAssets.LoadAssetSync() 同步加载资源对象接口
@@ -11,6 +9,8 @@
 - YooAssets.LoadSceneAsync() 异步加载场景接口
 - YooAssets.LoadRawFileAsync() 异步读取原生文件接口
 
+统一约定：location为资源的定位地址，也是加载资源对象的唯一标识符。
+
 **加载路径的匹配方式**
 
 ````C#

Docs/Contributor.md

@@ -0,0 +1,12 @@
+# 感谢所有支持YooAsset的小伙伴们！
+
+**特别感谢以下QQ社区的小伙伴**
+
+他们帮忙协助解决了很多BUG以及提出了很多宝贵的意见！
+
+- 黄色幻想
+
+- 新乞丐王子
+
+  
+

Docs/Settings.md

@@ -10,7 +10,6 @@
 
 - **Asset Bundle File Variant** : AssetBundle资源包后缀名
 - **Raw File Variant** : 原生资源包后缀名
-- **Patch Manifest File Name** : 补丁清单文件名
-- **Patch Manifest Hash File Name** : 补丁清单哈希文件名
+- **Patch Manifest File Name** : 补丁清单文件名称
 - **Unity Manifest File Name** : Unity构建的清单名称
 

README.md

@@ -8,7 +8,7 @@
 
 它可以满足商业化游戏的各类需求，并且经历多款百万DAU游戏产品的验证。
 
-### 系统特点
+## 系统特点
 - **安全高效的分包方案**
 
   基于资源对象的标签分包方案，自动对依赖资源包进行分类，避免人工维护成本。可以非常方便的实现零资源安装包，或者全量资源安装包。
@@ -41,7 +41,7 @@
 
   支持线上版本快速回退，支持区分审核版本，测试版本，线上版本，支持灰度更新及测试。
 
-### 入门教程
+## 入门教程
 1. [快速开始](https://github.com/tuyoogame/YooAsset/blob/master/Docs/QuickStart.md)
 2. [全局配置](https://github.com/tuyoogame/YooAsset/blob/master/Docs/Settings.md)
 3. [资源配置](https://github.com/tuyoogame/YooAsset/blob/master/Docs/AssetGrouper.md)
@@ -50,21 +50,21 @@
 5. [构建报告](https://github.com/tuyoogame/YooAsset/blob/master/Docs/AssetReporter.md)
 5. [调试器](https://github.com/tuyoogame/YooAsset/blob/master/Docs/AssetDebugger.md)
 
-### 代码教程
+## 代码教程
 1. [初始化](https://github.com/tuyoogame/YooAsset/blob/master/Docs/CodeTutorial1.md)
 2. [资源更新](https://github.com/tuyoogame/YooAsset/blob/master/Docs/CodeTutorial2.md)
 3. [资源加载](https://github.com/tuyoogame/YooAsset/blob/master/Docs/CodeTutorial3.md)
 
-### 视频教程
+## 视频教程
 
 Coming soon...
 
-### 社区
+## 社区
 
-**QQ群：963240451**
+QQ群：963240451
 
+[致谢名单](https://github.com/tuyoogame/YooAsset/blob/master/Docs/Contributor.md)👯
 
-
-### 友情链接
+## 友情链接
 
 [huatuo](https://github.com/focus-creative-games/huatuo)：华佗是一个**特性完整、零成本、高性能、低内存**的近乎完美的c#热更新方案。