Update CHANGELOG.md

修复了在销毁Package时，如果存在正在加载的bundle，会导致后续加载该bundle报错的问题。

Assets/YooAsset/CHANGELOG.md

@@ -2,6 +2,146 @@
 
 All notable changes to this package will be documented in this file.
 
+## [1.5.1] - 2023-07-12
+
+### Fixed
+
+- 修复了太空战机DEMO在生成内置文件清单的时候，目录不存在引发的异常。
+- 修复了在销毁Package时，如果存在正在加载的bundle，会导致后续加载该bundle报错的问题。
+
+### Changed
+
+- 真机上使用错误方法加载原生文件的时候给予正确的错误提示。
+
+### Added
+
+- 新增了HostPlayModeParameters.RemoteServices字段
+
+  ```c#
+  /// <summary>
+  /// 远端资源地址查询服务类
+  /// </summary>
+  public IRemoteServices RemoteServices = null;
+  ```
+
+### Removed
+
+- 移除了HostPlayModeParameters.DefaultHostServer字段
+- 移除了HostPlayModeParameters.FallbackHostServer字段
+
+## [1.5.0] - 2023-07-05
+
+该版本重构了Persistent类，导致沙盒目录和内置目录的存储结构发生了变化。
+
+该版本支持按照Package自定义沙盒存储目录和内置存储目录。
+
+**注意：低版本升级用户，请使用Space Shooter目录下的StreamingAssetsHelper插件覆盖到本地工程！**
+
+### Changed
+
+- BuildParameters.OutputRoot重命名为BuildOutputRoot
+- 变更了IQueryServices.QueryStreamingAssets(string packageName, string fileName)方法
+
+### Added
+
+- 新增了YooAssets.SetCacheSystemDisableCacheOnWebGL()方法
+
+  ```c#
+  /// <summary>
+  /// 设置缓存系统参数，禁用缓存在WebGL平台
+  /// </summary>
+  public static void SetCacheSystemDisableCacheOnWebGL()
+  ```
+
+- 新增了YooAssets.SetDownloadSystemRedirectLimit()方法
+
+  ```c#
+  /// <summary>
+  /// 设置下载系统参数，网络重定向次数（Unity引擎默认值32）
+  /// 注意：不支持设置为负值
+  /// </summary>
+  public static void SetDownloadSystemRedirectLimit(int redirectLimit)
+  ```
+
+- 新增了构建流程可扩展的方法。
+
+  ```c#
+  public class AssetBundleBuilder
+  {
+      /// <summary>
+      /// 构建资源包
+      /// </summary>
+      public BuildResult Run(BuildParameters buildParameters, List<IBuildTask> buildPipeline)
+  }
+  ```
+
+- 新增了BuildParameters.StreamingAssetsRoot字段
+
+  ```c#
+  public class BuildParameters
+  {
+      /// <summary>
+      /// 内置资源的根目录
+      /// </summary>
+      public string StreamingAssetsRoot;
+  }
+  ```
+
+- 新增了InitializeParameters.BuildinRootDirectory字段
+
+  ```c#
+  /// <summary>
+  /// 内置文件的根路径
+  /// 注意：当参数为空的时候会使用默认的根目录。
+  /// </summary>
+  public string BuildinRootDirectory = string.Empty;
+  ```
+
+- 新增了InitializeParameters.SandboxRootDirectory字段
+
+  ```c#
+  /// <summary>
+  /// 沙盒文件的根路径
+  /// 注意：当参数为空的时候会使用默认的根目录。
+  /// </summary>
+  public string SandboxRootDirectory = string.Empty;
+  ```
+
+- 新增了ResourcePackage.GetPackageBuildinRootDirectory()方法
+
+  ```c#
+  /// <summary>
+  /// 获取包裹的内置文件根路径
+  /// </summary>
+  public string GetPackageBuildinRootDirectory()
+  ```
+
+- 新增了ResourcePackage.GetPackageSandboxRootDirectory()方法
+
+  ```c#
+  /// <summary>
+  /// 获取包裹的沙盒文件根路径
+  /// </summary>
+  public string GetPackageSandboxRootDirectory()
+  ```
+
+- 新增了ResourcePackage.ClearPackageSandbox()方法
+
+  ```c#
+  /// <summary>
+  /// 清空包裹的沙盒目录
+  /// </summary>
+  public void ClearPackageSandbox()
+  ```
+
+### Removed
+
+- 移除了资源包构建流程任务节点可扩展功能。
+- 移除了YooAssets.SetCacheSystemSandboxPath()方法
+- 移除了YooAssets.GetStreamingAssetBuildinFolderName()方法
+- 移除了YooAssets.GetSandboxRoot()方法
+- 移除了YooAssets.ClearSandbox()方法
+
 ## [1.4.17] - 2023-06-27
 
 ### Changed
@@ -25,8 +165,6 @@ All notable changes to this package will be documented in this file.
 
 - IShareAssetPackRule 重命名为 ISharedPackRule
 
-- 
-
 ### Added
 
 - 新增了ResourcePackage.LoadAllAssetsAsync方法

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilder.cs

@@ -13,29 +13,20 @@ namespace YooAsset.Editor
 		private readonly BuildContext _buildContext = new BuildContext();
 
 		/// <summary>
-		/// 开始构建
+		/// 构建资源包
 		/// </summary>
-		public BuildResult Run(BuildParameters buildParameters)
+		public BuildResult Run(BuildParameters buildParameters, List<IBuildTask> buildPipeline)
 		{
-			// 清空旧数据
-			_buildContext.ClearAllContext();
-
 			// 检测构建参数是否为空
 			if (buildParameters == null)
 				throw new Exception($"{nameof(buildParameters)} is null !");
 
-			// 检测可编程构建管线参数
+			// 检测构建参数是否为空
-			if (buildParameters.BuildPipeline == EBuildPipeline.ScriptableBuildPipeline)
+			if (buildPipeline.Count == 0)
-			{
+				throw new Exception($"Build pipeline is empty !");	
-				if (buildParameters.SBPParameters == null)
-					throw new Exception($"{nameof(BuildParameters.SBPParameters)} is null !");
 
-				if (buildParameters.BuildMode == EBuildMode.DryRunBuild)
+			// 清空旧数据
-					throw new Exception($"{nameof(EBuildPipeline.ScriptableBuildPipeline)} not support {nameof(EBuildMode.DryRunBuild)} build mode !");
+			_buildContext.ClearAllContext();
-
-				if (buildParameters.BuildMode == EBuildMode.ForceRebuild)
-					throw new Exception($"{nameof(EBuildPipeline.ScriptableBuildPipeline)} not support {nameof(EBuildMode.ForceRebuild)} build mode !");
-			}
 
 			// 构建参数
 			var buildParametersContext = new BuildParametersContext(buildParameters);
@@ -45,8 +36,7 @@ namespace YooAsset.Editor
 			BuildLogger.InitLogger(buildParameters.EnableLog);
 
 			// 执行构建流程
-			var pipeline = GetBuildTasks(buildParameters.BuildPipeline);
+			var buildResult = BuildRunner.Run(buildPipeline, _buildContext);
-			var buildResult = BuildRunner.Run(pipeline, _buildContext);
 			if (buildResult.Success)
 			{
 				buildResult.OutputPackageDirectory = buildParametersContext.GetPackageOutputDirectory();
@@ -62,13 +52,23 @@ namespace YooAsset.Editor
 			return buildResult;
 		}
 
-		private List<IBuildTask> GetBuildTasks(EBuildPipeline buildPipeline)
+		/// <summary>
+		/// 构建资源包
+		/// </summary>
+		public BuildResult Run(BuildParameters buildParameters)
+		{
+			var buildPipeline = GetDefaultBuildPipeline(buildParameters.BuildPipeline);
+			return Run(buildParameters, buildPipeline);
+		}
+
+		/// <summary>
+		/// 获取默认的构建流程
+		/// </summary>
+		private List<IBuildTask> GetDefaultBuildPipeline(EBuildPipeline buildPipeline)
 		{
 			// 获取任务节点的属性集合
-			List<TaskAttribute> attrList = new List<TaskAttribute>();
 			if (buildPipeline == EBuildPipeline.BuiltinBuildPipeline)
 			{
-				/*
 				List<IBuildTask> pipeline = new List<IBuildTask>
 				{
 					new TaskPrepare(), //前期准备工作
@@ -83,23 +83,10 @@ namespace YooAsset.Editor
 					new TaskCreatePackage(), //制作包裹
 					new TaskCopyBuildinFiles(), //拷贝内置文件
 				};
-				*/
+				return pipeline;
-
-				var classTypes = EditorTools.GetAssignableTypes(typeof(IBuildTask));
-				foreach (var classType in classTypes)
-				{
-					var attribute = classType.GetCustomAttribute<TaskAttribute>();
-					if (attribute == null)
-						throw new Exception($"Not found {nameof(TaskAttribute)} int type : {classType.FullName}");
-
-					attribute.ClassType = classType;
-					if (attribute.Pipeline == ETaskPipeline.AllPipeline || attribute.Pipeline == ETaskPipeline.BuiltinBuildPipeline)
-						attrList.Add(attribute);
-				}
 			}
 			else if (buildPipeline == EBuildPipeline.ScriptableBuildPipeline)
 			{
-				/*
 				List<IBuildTask> pipeline = new List<IBuildTask>
 				{
 					new TaskPrepare(), //前期准备工作
@@ -114,42 +101,12 @@ namespace YooAsset.Editor
 					new TaskCreatePackage(), //制作补丁包
 					new TaskCopyBuildinFiles(), //拷贝内置文件
 				};
-				*/
+				return pipeline;
-
-				var classTypes = EditorTools.GetAssignableTypes(typeof(IBuildTask));
-				foreach (var classType in classTypes)
-				{
-					var attribute = classType.GetCustomAttribute<TaskAttribute>();
-					if (attribute == null)
-						throw new Exception($"Not found {nameof(TaskAttribute)} int type : {classType.FullName}");
-
-					attribute.ClassType = classType;
-					if (attribute.Pipeline == ETaskPipeline.AllPipeline || attribute.Pipeline == ETaskPipeline.ScriptableBuildPipeline)
-						attrList.Add(attribute);
-				}
 			}
 			else
 			{
 				throw new NotImplementedException();
 			}
-
-			// 对任务节点进行排序
-			attrList.Sort((a, b) =>
-			{
-				if (a.TaskOrder > b.TaskOrder) { return 1; }
-				else if (a.TaskOrder < b.TaskOrder) { return -1; }
-				else { return 0; }
-			});
-
-			// 创建任务节点实例
-			List<IBuildTask> pipeline = new List<IBuildTask>(attrList.Count);
-			foreach (var taskAttr in attrList)
-			{
-				var task = Activator.CreateInstance(taskAttr.ClassType) as IBuildTask;
-				pipeline.Add(task);
-			}
-
-			return pipeline;
 		}
 	}
 }

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderHelper.cs

@@ -11,7 +11,7 @@ namespace YooAsset.Editor
 		/// <summary>
 		/// 获取默认的输出根路录
 		/// </summary>
-		public static string GetDefaultOutputRoot()
+		public static string GetDefaultBuildOutputRoot()
 		{
 			string projectPath = EditorTools.GetProjectPath();
 			return $"{projectPath}/Bundles";
@@ -20,43 +20,9 @@ namespace YooAsset.Editor
 		/// <summary>
 		/// 获取流文件夹路径
 		/// </summary>
-		public static string GetStreamingAssetsFolderPath()
+		public static string GetDefaultStreamingAssetsRoot()
 		{
-			return $"{Application.dataPath}/StreamingAssets/{YooAssetSettings.StreamingAssetsBuildinFolder}/";
+			return $"{Application.dataPath}/StreamingAssets/{YooAssetSettings.DefaultYooFolderName}/";
-		}
-
-		/// <summary>
-		/// 清空流文件夹
-		/// </summary>
-		public static void ClearStreamingAssetsFolder()
-		{
-			string streamingFolderPath = GetStreamingAssetsFolderPath();
-			EditorTools.ClearFolder(streamingFolderPath);
-		}
-
-		/// <summary>
-		/// 删除流文件夹内无关的文件
-		/// 删除.manifest文件和.meta文件
-		/// </summary>
-		public static void DeleteStreamingAssetsIgnoreFiles()
-		{
-			string streamingFolderPath = GetStreamingAssetsFolderPath();
-			if (Directory.Exists(streamingFolderPath))
-			{
-				string[] files = Directory.GetFiles(streamingFolderPath, "*.manifest", SearchOption.AllDirectories);
-				foreach (var file in files)
-				{
-					FileInfo info = new FileInfo(file);
-					info.Delete();
-				}
-
-				files = Directory.GetFiles(streamingFolderPath, "*.meta", SearchOption.AllDirectories);
-				foreach (var item in files)
-				{
-					FileInfo info = new FileInfo(item);
-					info.Delete();
-				}
-			}
 		}
 	}
 }

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderWindow.cs

@@ -63,7 +63,7 @@ namespace YooAsset.Editor
 				_encryptionServicesClassNames = _encryptionServicesClassTypes.Select(t => t.Name).ToList();
 
 				// 输出目录
-				string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultOutputRoot();
+				string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultBuildOutputRoot();
 				_buildOutputField = root.Q<TextField>("BuildOutput");
 				_buildOutputField.SetValueWithoutNotify(defaultOutputRoot);
 				_buildOutputField.SetEnabled(false);
@@ -266,9 +266,9 @@ namespace YooAsset.Editor
 		/// </summary>
 		private void ExecuteBuild()
 		{
-			string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultOutputRoot();
 			BuildParameters buildParameters = new BuildParameters();
-			buildParameters.OutputRoot = defaultOutputRoot;
+			buildParameters.StreamingAssetsRoot = AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot();
+			buildParameters.BuildOutputRoot = AssetBundleBuilderHelper.GetDefaultBuildOutputRoot();
 			buildParameters.BuildTarget = _buildTarget;
 			buildParameters.BuildPipeline = AssetBundleBuilderSettingData.Setting.BuildPipeline;
 			buildParameters.BuildMode = AssetBundleBuilderSettingData.Setting.BuildMode;

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleSimulateBuilder.cs

@@ -11,9 +11,9 @@ namespace YooAsset.Editor
 		public static string SimulateBuild(string packageName)
 		{
 			Debug.Log($"Begin to create simulate package : {packageName}");
-			string defaultOutputRoot = AssetBundleBuilderHelper.GetDefaultOutputRoot();
 			BuildParameters buildParameters = new BuildParameters();
-			buildParameters.OutputRoot = defaultOutputRoot;
+			buildParameters.StreamingAssetsRoot = AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot();
+			buildParameters.BuildOutputRoot = AssetBundleBuilderHelper.GetDefaultBuildOutputRoot();
 			buildParameters.BuildTarget = EditorUserBuildSettings.activeBuildTarget;
 			buildParameters.BuildMode = EBuildMode.SimulateBuild;
 			buildParameters.PackageName = packageName;

Assets/YooAsset/Editor/AssetBundleBuilder/BuildParameters.cs

@@ -37,9 +37,14 @@ namespace YooAsset.Editor
 
 
 		/// <summary>
-		/// 输出的根目录
+		/// 内置资源的根目录
 		/// </summary>
-		public string OutputRoot;
+		public string StreamingAssetsRoot;
+
+		/// <summary>
+		/// 构建输出的根目录
+		/// </summary>
+		public string BuildOutputRoot;
 
 		/// <summary>
 		/// 构建的平台

Assets/YooAsset/Editor/AssetBundleBuilder/BuildParametersContext.cs

@@ -9,6 +9,8 @@ namespace YooAsset.Editor
 	{
 		private string _pipelineOutputDirectory = string.Empty;
 		private string _packageOutputDirectory = string.Empty;
+		private string _packageRootDirectory = string.Empty;
+		private string _streamingAssetsDirectory = string.Empty;
 
 		/// <summary>
 		/// 构建参数
@@ -29,23 +31,47 @@ namespace YooAsset.Editor
 		{
 			if (string.IsNullOrEmpty(_pipelineOutputDirectory))
 			{
-				_pipelineOutputDirectory = $"{Parameters.OutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}/{YooAssetSettings.OutputFolderName}";
+				_pipelineOutputDirectory = $"{Parameters.BuildOutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}/{YooAssetSettings.OutputFolderName}";
 			}
 			return _pipelineOutputDirectory;
 		}
 
 		/// <summary>
-		/// 获取本次构建的补丁目录
+		/// 获取本次构建的补丁输出目录
 		/// </summary>
 		public string GetPackageOutputDirectory()
 		{
 			if (string.IsNullOrEmpty(_packageOutputDirectory))
 			{
-				_packageOutputDirectory = $"{Parameters.OutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}/{Parameters.PackageVersion}";
+				_packageOutputDirectory = $"{Parameters.BuildOutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}/{Parameters.PackageVersion}";
 			}
 			return _packageOutputDirectory;
 		}
 
+		/// <summary>
+		/// 获取本次构建的补丁根目录
+		/// </summary>
+		public string GetPackageRootDirectory()
+		{
+			if (string.IsNullOrEmpty(_packageRootDirectory))
+			{
+				_packageRootDirectory = $"{Parameters.BuildOutputRoot}/{Parameters.BuildTarget}/{Parameters.PackageName}";
+			}
+			return _packageRootDirectory;
+		}
+
+		/// <summary>
+		/// 获取内置资源的目录
+		/// </summary>
+		public string GetStreamingAssetsDirectory()
+		{
+			if (string.IsNullOrEmpty(_streamingAssetsDirectory))
+			{
+				_streamingAssetsDirectory = $"{Parameters.StreamingAssetsRoot}/{Parameters.PackageName}";
+			}
+			return _streamingAssetsDirectory;
+		}
+
 		/// <summary>
 		/// 获取内置构建管线的构建选项
 		/// </summary>

Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/ETaskPipeline.cs

@@ -1,22 +0,0 @@
-using System;
-
-namespace YooAsset.Editor
-{
-	public enum ETaskPipeline 
-	{
-		/// <summary>
-		/// 所有的构建管线
-		/// </summary>
-		AllPipeline,
-
-		/// <summary>
-		/// 内置构建管线
-		/// </summary>
-		BuiltinBuildPipeline,
-
-		/// <summary>
-		/// 可编程构建管线
-		/// </summary>
-		ScriptableBuildPipeline,
-	}
-}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/TaskAttribute.cs

@@ -5,28 +5,13 @@ namespace YooAsset.Editor
 	[AttributeUsage(AttributeTargets.Class)]
 	public class TaskAttribute : Attribute
 	{
-		/// <summary>
-		/// 任务所属的构建流水线
-		/// </summary>
-		public ETaskPipeline Pipeline;
-
-		/// <summary>
-		/// 执行顺序
-		/// </summary>
-		public int TaskOrder;
-
 		/// <summary>
 		/// 任务说明
 		/// </summary>
 		public string TaskDesc;
 
-		// 关联的任务类
+		public TaskAttribute(string taskDesc)
-		public Type ClassType { set; get; }
-
-		public TaskAttribute(ETaskPipeline pipeline, int taskOrder, string taskDesc)
 		{
-			Pipeline = pipeline;
-			TaskOrder = taskOrder;
 			TaskDesc = taskDesc;
 		}
 	}

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

@@ -7,7 +7,7 @@ using UnityEngine;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.BuiltinBuildPipeline, 300, "资源构建内容打包")]
+	[TaskAttribute("资源构建内容打包")]
 	public class TaskBuilding : IBuildTask
 	{
 		public class BuildResultContext : IContextObject

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

@@ -9,7 +9,7 @@ using UnityEditor.Build.Pipeline.Tasks;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.ScriptableBuildPipeline, 300, "资源构建内容打包")]
+	[TaskAttribute("资源构建内容打包")]
 	public class TaskBuilding_SBP : IBuildTask
 	{
 		public class BuildResultContext : IContextObject

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

@@ -6,7 +6,7 @@ using UnityEngine;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 1100, "拷贝内置文件到流目录")]
+	[TaskAttribute("拷贝内置文件到流目录")]
 	public class TaskCopyBuildinFiles : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)
@@ -30,7 +30,7 @@ namespace YooAsset.Editor
 		{
 			ECopyBuildinFileOption option = buildParametersContext.Parameters.CopyBuildinFileOption;
 			string packageOutputDirectory = buildParametersContext.GetPackageOutputDirectory();
-			string streamingAssetsDirectory = AssetBundleBuilderHelper.GetStreamingAssetsFolderPath();
+			string streamingAssetsDirectory = buildParametersContext.GetStreamingAssetsDirectory();
 			string buildPackageName = buildParametersContext.Parameters.PackageName;
 			string buildPackageVersion = buildParametersContext.Parameters.PackageVersion;
 
@@ -40,7 +40,7 @@ namespace YooAsset.Editor
 			// 清空流目录
 			if (option == ECopyBuildinFileOption.ClearAndCopyAll || option == ECopyBuildinFileOption.ClearAndCopyByTags)
 			{
-				AssetBundleBuilderHelper.ClearStreamingAssetsFolder();
+				EditorTools.ClearFolder(streamingAssetsDirectory);
 			}
 
 			// 拷贝补丁清单文件

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

@@ -5,7 +5,7 @@ using System.Collections.Generic;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 400, "拷贝原生文件")]
+	[TaskAttribute("拷贝原生文件")]
 	public class TaskCopyRawFile : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

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

@@ -13,7 +13,7 @@ namespace YooAsset.Editor
 		internal PackageManifest Manifest;
 	}
 
-	[TaskAttribute(ETaskPipeline.AllPipeline, 800, "创建清单文件")]
+	[TaskAttribute("创建清单文件")]
 	public class TaskCreateManifest : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

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

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 1000, "制作包裹")]
+	[TaskAttribute("制作包裹")]
 	public class TaskCreatePackage : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

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

@@ -6,7 +6,7 @@ using UnityEditor;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 900, "创建构建报告文件")]
+	[TaskAttribute("创建构建报告文件")]
 	public class TaskCreateReport : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

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

@@ -6,7 +6,7 @@ using System.Collections.Generic;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 600, "资源包加密")]
+	[TaskAttribute("资源包加密")]
 	public class TaskEncryption : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

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

@@ -7,7 +7,7 @@ using UnityEditor;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 200, "获取资源构建内容")]
+	[TaskAttribute("获取资源构建内容")]
 	public class TaskGetBuildMap : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)
@@ -147,17 +147,17 @@ namespace YooAsset.Editor
 		private void RemoveZeroReferenceAssets(List<CollectAssetInfo> allCollectAssetInfos)
 		{
 			// 1. 检测是否任何存在依赖资源
-			bool hasAnyDependAsset = false;
+			bool hasAnyDependCollector = false;
 			foreach (var collectAssetInfo in allCollectAssetInfos)
 			{
 				var collectorType = collectAssetInfo.CollectorType;
 				if (collectorType == ECollectorType.DependAssetCollector)
 				{
-					hasAnyDependAsset = true;
+					hasAnyDependCollector = true;
 					break;
 				}
 			}
-			if (hasAnyDependAsset == false)
+			if (hasAnyDependCollector == false)
 				return;
 
 			// 2. 获取所有主资源的依赖资源集合

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

@@ -6,7 +6,7 @@ using UnityEditor;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 100, "资源构建准备工作")]
+	[TaskAttribute("资源构建准备工作")]
 	public class TaskPrepare : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)
@@ -16,11 +16,27 @@ namespace YooAsset.Editor
 
 			// 检测构建参数合法性
 			if (buildParameters.BuildTarget == BuildTarget.NoTarget)
-				throw new Exception("请选择目标平台");
+				throw new Exception("请选择目标平台！");
 			if (string.IsNullOrEmpty(buildParameters.PackageName))
-				throw new Exception("包裹名称不能为空");
+				throw new Exception("包裹名称不能为空！");
 			if (string.IsNullOrEmpty(buildParameters.PackageVersion))
-				throw new Exception("包裹版本不能为空");
+				throw new Exception("包裹版本不能为空！");
+			if (string.IsNullOrEmpty(buildParameters.BuildOutputRoot))
+				throw new Exception("构建输出的根目录为空！");
+			if (string.IsNullOrEmpty(buildParameters.StreamingAssetsRoot))
+				throw new Exception("内置资源根目录为空！");
+
+			if (buildParameters.BuildPipeline == EBuildPipeline.ScriptableBuildPipeline)
+			{
+				if (buildParameters.SBPParameters == null)
+					throw new Exception($"{nameof(BuildParameters.SBPParameters)} is null !");
+
+				if (buildParameters.BuildMode == EBuildMode.DryRunBuild)
+					throw new Exception($"{nameof(EBuildPipeline.ScriptableBuildPipeline)} not support {nameof(EBuildMode.DryRunBuild)} build mode !");
+
+				if (buildParameters.BuildMode == EBuildMode.ForceRebuild)
+					throw new Exception($"{nameof(EBuildPipeline.ScriptableBuildPipeline)} not support {nameof(EBuildMode.ForceRebuild)} build mode !");
+			}
 
 			if (buildParameters.BuildMode != EBuildMode.SimulateBuild)
 			{
@@ -72,11 +88,10 @@ namespace YooAsset.Editor
 
 			if (buildParameters.BuildMode == EBuildMode.ForceRebuild)
 			{
-				// 删除总目录
+				string packageRootDirectory = buildParametersContext.GetPackageRootDirectory();
-				string platformDirectory = $"{buildParameters.OutputRoot}/{buildParameters.BuildTarget}/{buildParameters.PackageName}";
+				if (EditorTools.DeleteDirectory(packageRootDirectory))
-				if (EditorTools.DeleteDirectory(platformDirectory))
 				{
-					BuildLogger.Log($"删除平台总目录：{platformDirectory}");
+					BuildLogger.Log($"删除包裹目录：{packageRootDirectory}");
 				}
 			}
 

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

@@ -6,7 +6,7 @@ using UnityEditor;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.AllPipeline, 700, "更新资源包信息")]
+	[TaskAttribute("更新资源包信息")]
 	public class TaskUpdateBundleInfo : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

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

@@ -8,7 +8,7 @@ using UnityEngine;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.BuiltinBuildPipeline, 500, "验证构建结果")]
+	[TaskAttribute("验证构建结果")]
 	public class TaskVerifyBuildResult : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

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

@@ -9,7 +9,7 @@ using UnityEditor.Build.Pipeline.Interfaces;
 
 namespace YooAsset.Editor
 {
-	[TaskAttribute(ETaskPipeline.ScriptableBuildPipeline, 500, "验证构建结果")]
+	[TaskAttribute("验证构建结果")]
 	public class TaskVerifyBuildResult_SBP : IBuildTask
 	{
 		void IBuildTask.Run(BuildContext context)

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -79,30 +79,6 @@ namespace YooAsset
 			_isUnloadSafe = true;
 		}
 
-		/// <summary>
-		/// 销毁
-		/// </summary>
-		public void DestroyAll()
-		{
-			foreach (var provider in _providerList)
-			{
-				provider.Destroy();
-			}
-			_providerList.Clear();
-			_providerDic.Clear();
-
-			foreach (var loader in _loaderList)
-			{
-				loader.Destroy(true);
-			}
-			_loaderList.Clear();
-			_loaderDic.Clear();
-
-			ClearSceneHandle();
-			DecryptionServices = null;
-			BundleServices = null;
-		}
-
 		/// <summary>
 		/// 资源回收（卸载引用计数为零的资源）
 		/// </summary>
@@ -149,10 +125,12 @@ namespace YooAsset
 		{
 			foreach (var provider in _providerList)
 			{
+				provider.WaitForAsyncComplete();
 				provider.Destroy();
 			}
 			foreach (var loader in _loaderList)
 			{
+				loader.WaitForAsyncComplete();
 				loader.Destroy(true);
 			}
 

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

@@ -73,9 +73,7 @@ namespace YooAsset
 			if (IsValidWithWarning == false)
 				return null;
 			string filePath = Provider.RawFilePath;
-			if (File.Exists(filePath) == false)
+			return FileUtility.ReadAllBytes(filePath);
-				return null;
-			return File.ReadAllBytes(filePath);
 		}
 
 		/// <summary>

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

@@ -168,8 +168,17 @@ namespace YooAsset
 			// 5. 从WEB网站获取AssetBundle文件
 			if (_steps == ESteps.LoadWebFile)
 			{
-				var hash = Hash128.Parse(MainBundleInfo.Bundle.FileHash);
+				if (CacheSystem.DisableUnityCacheOnWebGL)
-				_webRequest = UnityWebRequestAssetBundle.GetAssetBundle(FileLoadPath, hash);
+				{
+					_webRequest = UnityWebRequestAssetBundle.GetAssetBundle(FileLoadPath);
+				}
+				else
+				{
+					var hash = Hash128.Parse(MainBundleInfo.Bundle.FileHash);
+					_webRequest = UnityWebRequestAssetBundle.GetAssetBundle(FileLoadPath, hash);
+				}
+
+				DownloadSystem.SetUnityWebRequest(_webRequest);
 				_webRequest.SendWebRequest();
 				_steps = ESteps.CheckLoadWebFile;
 			}

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

@@ -53,6 +53,12 @@ namespace YooAsset
 					return;
 				}
 
+				if (OwnerBundle.CacheBundle == null)
+				{
+					ProcessCacheBundleException();
+					return;
+				}
+
 				Status = EStatus.Loading;
 			}
 

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

@@ -55,12 +55,7 @@ namespace YooAsset
 
 				if (OwnerBundle.CacheBundle == null)
 				{
-					if (OwnerBundle.IsDestroyed)
+					ProcessCacheBundleException();
-						throw new System.Exception("Should never get here !");
-					Status = EStatus.Failed;
-					LastError = $"The bundle {OwnerBundle.MainBundleInfo.Bundle.BundleName} has been destroyed by unity bugs !";
-					YooLogger.Error(LastError);
-					InvokeCompletion();
 					return;
 				}
 

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

@@ -53,6 +53,12 @@ namespace YooAsset
 					return;
 				}
 
+				if (OwnerBundle.CacheBundle == null)
+				{
+					ProcessCacheBundleException();
+					return;
+				}
+
 				Status = EStatus.Loading;
 			}
 

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

@@ -220,6 +220,30 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 处理特殊异常
+		/// </summary>
+		protected void ProcessCacheBundleException()
+		{
+			if (OwnerBundle.IsDestroyed)
+				throw new System.Exception("Should never get here !");
+
+			if (OwnerBundle.MainBundleInfo.Bundle.IsRawFile)
+			{
+				Status = EStatus.Failed;
+				LastError = $"Cannot load asset bundle file using {nameof(ResourcePackage.LoadRawFileAsync)} method !";
+				YooLogger.Error(LastError);
+				InvokeCompletion();
+			}
+			else
+			{
+				Status = EStatus.Failed;
+				LastError = $"The bundle {OwnerBundle.MainBundleInfo.Bundle.BundleName} has been destroyed by unity bugs !";
+				YooLogger.Error(LastError);
+				InvokeCompletion();
+			}
+		}
+
 		/// <summary>
 		/// 异步操作任务
 		/// </summary>

Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs

@@ -10,6 +10,11 @@ namespace YooAsset
 	{
 		private readonly static Dictionary<string, PackageCache> _cachedDic = new Dictionary<string, PackageCache>(1000);
 
+		/// <summary>
+		/// 禁用Unity缓存系统在WebGL平台
+		/// </summary>
+		public static bool DisableUnityCacheOnWebGL = false;
+
 		/// <summary>
 		/// 初始化时的验证级别
 		/// </summary>

Assets/YooAsset/Runtime/CacheSystem/Operations/Internal/FindCacheFilesOperation.cs

@@ -45,7 +45,7 @@ namespace YooAsset
 			{
 				// BundleFiles
 				{
-					string rootPath = PersistentTools.GetCachedBundleFileFolderPath(_packageName);
+					string rootPath = PersistentTools.GetPersistent(_packageName).SandboxCacheBundleFilesRoot;
 					DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);
 					if (rootDirectory.Exists)
 					{
@@ -56,7 +56,7 @@ namespace YooAsset
 
 				// RawFiles
 				{
-					string rootPath = PersistentTools.GetCachedRawFileFolderPath(_packageName);
+					string rootPath = PersistentTools.GetPersistent(_packageName).SandboxCacheRawFilesRoot;
 					DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);
 					if (rootDirectory.Exists)
 					{

Assets/YooAsset/Runtime/CacheSystem/Persistent.cs

@@ -0,0 +1,163 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class Persistent
+	{
+		private readonly string _packageName;
+
+		public string BuildinRoot { private set; get; }
+		public string BuildinPackageRoot { private set; get; }
+
+		public string SandboxRoot { private set; get; }
+		public string SandboxPackageRoot { private set; get; }
+		public string SandboxCacheBundleFilesRoot { private set; get; }
+		public string SandboxCacheRawFilesRoot { private set; get; }
+		public string SandboxManifestFilesRoot { private set; get; }
+		public string SandboxAppFootPrintFilePath { private set; get; }
+
+
+		public Persistent(string packageName)
+		{
+			_packageName = packageName;
+		}
+
+		/// <summary>
+		/// 重写根路径
+		/// </summary>
+		public void OverwriteRootDirectory(string buildinRoot, string sandboxRoot)
+		{
+			if (string.IsNullOrEmpty(buildinRoot))
+				BuildinRoot = CreateDefaultBuildinRoot();
+			else
+				BuildinRoot = buildinRoot;
+
+			if (string.IsNullOrEmpty(sandboxRoot))
+				SandboxRoot = CreateDefaultSandboxRoot();
+			else
+				SandboxRoot = sandboxRoot;
+
+			BuildinPackageRoot = PathUtility.Combine(BuildinRoot, _packageName);
+			SandboxPackageRoot = PathUtility.Combine(SandboxRoot, _packageName);
+			SandboxCacheBundleFilesRoot = PathUtility.Combine(SandboxPackageRoot, YooAssetSettings.CachedBundleFileFolder);
+			SandboxCacheRawFilesRoot = PathUtility.Combine(SandboxPackageRoot, YooAssetSettings.CachedRawFileFolder);
+			SandboxManifestFilesRoot = PathUtility.Combine(SandboxPackageRoot, YooAssetSettings.ManifestFolderName);
+			SandboxAppFootPrintFilePath = PathUtility.Combine(SandboxPackageRoot, YooAssetSettings.AppFootPrintFileName);
+		}
+		private static string CreateDefaultBuildinRoot()
+		{
+			return PathUtility.Combine(UnityEngine.Application.streamingAssetsPath, YooAssetSettings.DefaultYooFolderName);
+		}
+		private static string CreateDefaultSandboxRoot()
+		{
+#if UNITY_EDITOR
+			// 注意：为了方便调试查看，编辑器下把存储目录放到项目里。
+			string projectPath = Path.GetDirectoryName(UnityEngine.Application.dataPath);
+			projectPath = PathUtility.RegularPath(projectPath);
+			return PathUtility.Combine(projectPath, YooAssetSettings.DefaultYooFolderName);
+#elif UNITY_STANDALONE
+			return PathUtility.Combine(UnityEngine.Application.dataPath, YooAssetSettings.DefaultYooFolderName);
+#else
+			return PathUtility.Combine(UnityEngine.Application.persistentDataPath, YooAssetSettings.DefaultYooFolderName);	
+#endif
+		}
+
+
+		/// <summary>
+		/// 删除沙盒里的包裹目录
+		/// </summary>
+		public void DeleteSandboxPackageFolder()
+		{
+			if (Directory.Exists(SandboxPackageRoot))
+				Directory.Delete(SandboxPackageRoot, true);
+		}
+		
+		/// <summary>
+		/// 删除沙盒内的缓存文件夹
+		/// </summary>
+		public void DeleteSandboxCacheFilesFolder()
+		{
+			// CacheBundleFiles
+			if (Directory.Exists(SandboxCacheBundleFilesRoot))
+				Directory.Delete(SandboxCacheBundleFilesRoot, true);
+
+			// CacheRawFiles
+			if (Directory.Exists(SandboxCacheRawFilesRoot))
+				Directory.Delete(SandboxCacheRawFilesRoot, true);
+		}
+
+		/// <summary>
+		/// 删除沙盒内的清单文件夹
+		/// </summary>
+		public void DeleteSandboxManifestFilesFolder()
+		{
+			if (Directory.Exists(SandboxManifestFilesRoot))
+				Directory.Delete(SandboxManifestFilesRoot, true);
+		}
+
+
+		/// <summary>
+		/// 获取沙盒内包裹的清单文件的路径
+		/// </summary>
+		public string GetSandboxPackageManifestFilePath(string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, packageVersion);
+			return PathUtility.Combine(SandboxManifestFilesRoot, fileName);
+		}
+
+		/// <summary>
+		/// 获取沙盒内包裹的哈希文件的路径
+		/// </summary>
+		public string GetSandboxPackageHashFilePath(string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, packageVersion);
+			return PathUtility.Combine(SandboxManifestFilesRoot, fileName);
+		}
+
+		/// <summary>
+		/// 获取沙盒内包裹的版本文件的路径
+		/// </summary>
+		public string GetSandboxPackageVersionFilePath()
+		{
+			string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
+			return PathUtility.Combine(SandboxManifestFilesRoot, fileName);
+		}
+
+		/// <summary>
+		/// 保存沙盒内默认的包裹版本
+		/// </summary>
+		public void SaveSandboxPackageVersionFile(string version)
+		{
+			string filePath = GetSandboxPackageVersionFilePath();
+			FileUtility.WriteAllText(filePath, version);
+		}
+
+
+		/// <summary>
+		/// 获取APP内包裹的清单文件的路径
+		/// </summary>
+		public string GetBuildinPackageManifestFilePath(string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, packageVersion);
+			return PathUtility.Combine(BuildinPackageRoot, fileName);
+		}
+
+		/// <summary>
+		/// 获取APP内包裹的哈希文件的路径
+		/// </summary>
+		public string GetBuildinPackageHashFilePath(string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, packageVersion);
+			return PathUtility.Combine(BuildinPackageRoot, fileName);
+		}
+
+		/// <summary>
+		/// 获取APP内包裹的版本文件的路径
+		/// </summary>
+		public string GetBuildinPackageVersionFilePath()
+		{
+			string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
+			return PathUtility.Combine(BuildinPackageRoot, fileName);
+		}
+	}
+}

Assets/YooAsset/Runtime/CacheSystem/Persistent.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 32477ef3a448a9144aa1574a052fe54e
+guid: 62ee5fd2821fe85488efff3f8242b703
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/YooAsset/Runtime/CacheSystem/PersistentTools.cs

@@ -3,84 +3,31 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-	internal static class PersistentTools
+	internal class PersistentTools
 	{
-		private const string SandboxFolderName = "Sandbox";
+		private static readonly Dictionary<string, Persistent> _persitentDic = new Dictionary<string, Persistent>(100);
-		private const string CacheFolderName = "CacheFiles";
-		private const string CachedBundleFileFolder = "BundleFiles";
-		private const string CachedRawFileFolder = "RawFiles";
-		private const string ManifestFolderName = "ManifestFiles";
-		private const string AppFootPrintFileName = "ApplicationFootPrint.bytes";
-
-		private static string _buildinPath;
-		private static string _sandboxPath;
-
 
 		/// <summary>
-		/// 重写沙盒跟路径
+		/// 获取包裹的持久化类
 		/// </summary>
-		public static void OverwriteSandboxPath(string sandboxPath)
+		public static Persistent GetPersistent(string packageName)
 		{
-			_sandboxPath = sandboxPath;
+			if (_persitentDic.ContainsKey(packageName) == false)
+				throw new System.Exception("Should never get here !");
+			return _persitentDic[packageName];
 		}
 
 		/// <summary>
-		/// 获取沙盒文件夹路径
+		/// 获取或创建包裹的持久化类
 		/// </summary>
-		public static string GetPersistentRootPath()
+		public static Persistent GetOrCreatePersistent(string packageName)
 		{
-#if UNITY_EDITOR
+			if (_persitentDic.ContainsKey(packageName) == false)
-			// 注意：为了方便调试查看，编辑器下把存储目录放到项目里
-			if (string.IsNullOrEmpty(_sandboxPath))
 			{
-				string projectPath = Path.GetDirectoryName(UnityEngine.Application.dataPath);
+				Persistent persistent = new Persistent(packageName);
-				projectPath = PathUtility.RegularPath(projectPath);
+				_persitentDic.Add(packageName, persistent);
-				_sandboxPath = PathUtility.Combine(projectPath, SandboxFolderName);
 			}
-#elif UNITY_STANDALONE
+			return _persitentDic[packageName];
-			if (string.IsNullOrEmpty(_sandboxPath))
-			{
-				_sandboxPath = PathUtility.Combine(UnityEngine.Application.dataPath, SandboxFolderName);
-			}
-#else
-			if (string.IsNullOrEmpty(_sandboxPath))
-			{
-				_sandboxPath = PathUtility.Combine(UnityEngine.Application.persistentDataPath, SandboxFolderName);
-			}
-#endif
-
-			return _sandboxPath;
-		}
-
-		/// <summary>
-		/// 获取基于流文件夹的加载路径
-		/// </summary>
-		public static string MakeStreamingLoadPath(string path)
-		{
-			if (string.IsNullOrEmpty(_buildinPath))
-			{
-				_buildinPath = PathUtility.Combine(UnityEngine.Application.streamingAssetsPath, YooAssetSettings.StreamingAssetsBuildinFolder);
-			}
-			return PathUtility.Combine(_buildinPath, path);
-		}
-
-		/// <summary>
-		/// 获取基于沙盒文件夹的加载路径
-		/// </summary>
-		public static string MakePersistentLoadPath(string path)
-		{
-			string root = GetPersistentRootPath();
-			return PathUtility.Combine(root, path);
-		}
-		public static string MakePersistentLoadPath(string path1, string path2)
-		{
-			string root = GetPersistentRootPath();
-			return PathUtility.Combine(root, path1, path2);
-		}
-		public static string MakePersistentLoadPath(string path1, string path2, string path3)
-		{
-			string root = GetPersistentRootPath();
-			return PathUtility.Combine(root, path1, path2, path3);
 		}
 
 		/// <summary>
@@ -100,109 +47,5 @@ namespace YooAsset
 			return path;
 #endif
 		}
-
-
-		/// <summary>
-		/// 删除沙盒总目录
-		/// </summary>
-		public static void DeleteSandbox()
-		{
-			string directoryPath = GetPersistentRootPath();
-			if (Directory.Exists(directoryPath))
-				Directory.Delete(directoryPath, true);
-		}
-
-		/// <summary>
-		/// 删除沙盒内的缓存文件夹
-		/// </summary>
-		public static void DeleteCacheFolder()
-		{
-			string root = MakePersistentLoadPath(CacheFolderName);
-			if (Directory.Exists(root))
-				Directory.Delete(root, true);
-		}
-
-		/// <summary>
-		/// 删除沙盒内的清单文件夹
-		/// </summary>
-		public static void DeleteManifestFolder()
-		{
-			string root = MakePersistentLoadPath(ManifestFolderName);
-			if (Directory.Exists(root))
-				Directory.Delete(root, true);
-		}
-
-
-		/// <summary>
-		/// 获取缓存的BundleFile文件夹路径
-		/// </summary>
-		private readonly static Dictionary<string, string> _cachedBundleFileFolder = new Dictionary<string, string>(100);
-		public static string GetCachedBundleFileFolderPath(string packageName)
-		{
-			if (_cachedBundleFileFolder.TryGetValue(packageName, out string value) == false)
-			{
-				value = MakePersistentLoadPath(CacheFolderName, packageName, CachedBundleFileFolder);
-				_cachedBundleFileFolder.Add(packageName, value);
-			}
-			return value;
-		}
-
-		/// <summary>
-		/// 获取缓存的RawFile文件夹路径
-		/// </summary>
-		private readonly static Dictionary<string, string> _cachedRawFileFolder = new Dictionary<string, string>(100);
-		public static string GetCachedRawFileFolderPath(string packageName)
-		{
-			if (_cachedRawFileFolder.TryGetValue(packageName, out string value) == false)
-			{
-				value = MakePersistentLoadPath(CacheFolderName, packageName, CachedRawFileFolder);
-				_cachedRawFileFolder.Add(packageName, value);
-			}
-			return value;
-		}
-
-		/// <summary>
-		/// 获取应用程序的水印文件路径
-		/// </summary>
-		public static string GetAppFootPrintFilePath()
-		{
-			return MakePersistentLoadPath(AppFootPrintFileName);
-		}
-
-		/// <summary>
-		/// 获取沙盒内清单文件的路径
-		/// </summary>
-		public static string GetCacheManifestFilePath(string packageName, string packageVersion)
-		{
-			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(packageName, packageVersion);
-			return MakePersistentLoadPath(ManifestFolderName, fileName);
-		}
-
-		/// <summary>
-		/// 获取沙盒内包裹的哈希文件的路径
-		/// </summary>
-		public static string GetCachePackageHashFilePath(string packageName, string packageVersion)
-		{
-			string fileName = YooAssetSettingsData.GetPackageHashFileName(packageName, packageVersion);
-			return MakePersistentLoadPath(ManifestFolderName, fileName);
-		}
-
-		/// <summary>
-		/// 获取沙盒内包裹的版本文件的路径
-		/// </summary>
-		public static string GetCachePackageVersionFilePath(string packageName)
-		{
-			string fileName = YooAssetSettingsData.GetPackageVersionFileName(packageName);
-			return MakePersistentLoadPath(ManifestFolderName, fileName);
-		}
-
-		/// <summary>
-		/// 保存默认的包裹版本
-		/// </summary>
-		public static void SaveCachePackageVersionFile(string packageName, string version)
-		{
-			string filePath = GetCachePackageVersionFilePath(packageName);
-			FileUtility.WriteAllText(filePath, version);
-		}
 	}
 }

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs

@@ -32,6 +32,11 @@ namespace YooAsset
 		/// </summary>
 		public static CertificateHandler CertificateHandlerInstance = null;
 
+		/// <summary>
+		/// 网络重定向次数
+		/// </summary>
+		public static int RedirectLimit { set; get; } = -1;
+
 		/// <summary>
 		/// 启用断点续传功能文件的最小字节数
 		/// </summary>
@@ -128,11 +133,29 @@ namespace YooAsset
 		/// </summary>
 		public static UnityWebRequest NewRequest(string requestURL)
 		{
+			UnityWebRequest webRequest;
 			if (RequestDelegate != null)
-				return RequestDelegate.Invoke(requestURL);
+				webRequest = RequestDelegate.Invoke(requestURL);
+			else
+				webRequest = new UnityWebRequest(requestURL, UnityWebRequest.kHttpVerbGET);
 
-			var request = new UnityWebRequest(requestURL, UnityWebRequest.kHttpVerbGET);
+			SetUnityWebRequest(webRequest);
-			return request;
+			return webRequest;
+		}
+
+		/// <summary>
+		/// 设置网络请求的自定义参数
+		/// </summary>
+		public static void SetUnityWebRequest(UnityWebRequest webRequest)
+		{
+			if (RedirectLimit >= 0)
+				webRequest.redirectLimit = RedirectLimit;
+
+			if (CertificateHandlerInstance != null)
+			{
+				webRequest.certificateHandler = CertificateHandlerInstance;
+				webRequest.disposeCertificateHandlerOnDispose = false;
+			}
 		}
 
 		/// <summary>

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

@@ -101,13 +101,6 @@ namespace YooAsset
 				handler.removeFileOnAbort = true;
 				_webRequest.downloadHandler = handler;
 				_webRequest.disposeDownloadHandlerOnDispose = true;
-
-				if (DownloadSystem.CertificateHandlerInstance != null)
-				{
-					_webRequest.certificateHandler = DownloadSystem.CertificateHandlerInstance;
-					_webRequest.disposeCertificateHandlerOnDispose = false;
-				}
-
 				_webRequest.SendWebRequest();
 				_steps = ESteps.CheckDownload;
 			}
@@ -137,13 +130,6 @@ namespace YooAsset
 				_webRequest.disposeDownloadHandlerOnDispose = true;
 				if (fileLength > 0)
 					_webRequest.SetRequestHeader("Range", $"bytes={fileLength}-");
-
-				if (DownloadSystem.CertificateHandlerInstance != null)
-				{
-					_webRequest.certificateHandler = DownloadSystem.CertificateHandlerInstance;
-					_webRequest.disposeCertificateHandlerOnDispose = false;
-				}
-
 				_webRequest.SendWebRequest();
 				_steps = ESteps.CheckDownload;
 			}

Assets/YooAsset/Runtime/InitializeParameters.cs

@@ -32,6 +32,18 @@ namespace YooAsset
 		/// </summary>
 		public IDecryptionServices DecryptionServices = null;
 
+		/// <summary>
+		/// 内置文件的根路径
+		/// 注意：当参数为空的时候会使用默认的根目录。
+		/// </summary>
+		public string BuildinRootDirectory = string.Empty;
+
+		/// <summary>
+		/// 沙盒文件的根路径
+		/// 注意：当参数为空的时候会使用默认的根目录。
+		/// </summary>
+		public string SandboxRootDirectory = string.Empty;
+		
 		/// <summary>
 		/// 资源加载每帧处理的最大时间片段
 		/// 注意：默认值为MaxValue
@@ -68,19 +80,14 @@ namespace YooAsset
 	/// </summary>
 	public class HostPlayModeParameters : InitializeParameters
 	{
-		/// <summary>
-		/// 默认的资源服务器下载地址
-		/// </summary>
-		public string DefaultHostServer = string.Empty;
-
-		/// <summary>
-		/// 备用的资源服务器下载地址
-		/// </summary>
-		public string FallbackHostServer = string.Empty;
-
 		/// <summary>
 		/// 内置资源查询服务接口
 		/// </summary>
 		public IQueryServices QueryServices = null;
+
+		/// <summary>
+		/// 远端资源地址查询服务类
+		/// </summary>
+		public IRemoteServices RemoteServices = null;
 	}
 }

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

@@ -217,13 +217,13 @@ namespace YooAsset
 			if (_steps == ESteps.CheckAppFootPrint)
 			{
 				var appFootPrint = new AppFootPrint();
-				appFootPrint.Load();
+				appFootPrint.Load(_packageName);
 
 				// 如果水印发生变化，则说明覆盖安装后首次打开游戏
 				if (appFootPrint.IsDirty())
 				{
-					PersistentTools.DeleteManifestFolder();
+					PersistentTools.GetPersistent(_packageName).DeleteSandboxManifestFilesFolder();
-					appFootPrint.Coverage();
+					appFootPrint.Coverage(_packageName);
 					YooLogger.Log("Delete manifest files when application foot print dirty !");
 				}
 				_steps = ESteps.QueryCachePackageVersion;
@@ -374,16 +374,16 @@ namespace YooAsset
 		/// <summary>
 		/// 读取应用程序水印
 		/// </summary>
-		public void Load()
+		public void Load(string packageName)
 		{
-			string footPrintFilePath = PersistentTools.GetAppFootPrintFilePath();
+			string footPrintFilePath = PersistentTools.GetPersistent(packageName).SandboxAppFootPrintFilePath;
 			if (File.Exists(footPrintFilePath))
 			{
 				_footPrint = FileUtility.ReadAllText(footPrintFilePath);
 			}
 			else
 			{
-				Coverage();
+				Coverage(packageName);
 			}
 		}
 
@@ -402,14 +402,14 @@ namespace YooAsset
 		/// <summary>
 		/// 覆盖掉水印
 		/// </summary>
-		public void Coverage()
+		public void Coverage(string packageName)
 		{
 #if UNITY_EDITOR
 			_footPrint = Application.version;
 #else
 			_footPrint = Application.buildGUID;
 #endif
-			string footPrintFilePath = PersistentTools.GetAppFootPrintFilePath();
+			string footPrintFilePath = PersistentTools.GetPersistent(packageName).SandboxAppFootPrintFilePath;
 			FileUtility.WriteAllText(footPrintFilePath, _footPrint);
 			YooLogger.Log($"Save application foot print : {_footPrint}");
 		}

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

@@ -41,7 +41,7 @@ namespace YooAsset
 			{
 				if (_downloader1 == null)
 				{
-					string savePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
+					string savePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageHashFilePath(_packageVersion);
 					string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, _packageVersion);
 					string webURL = GetDownloadRequestURL(fileName);
 					YooLogger.Log($"Beginning to download package hash file : {webURL}");
@@ -71,7 +71,7 @@ namespace YooAsset
 			{
 				if (_downloader2 == null)
 				{
-					string savePath = PersistentTools.GetCacheManifestFilePath(_packageName, _packageVersion);
+					string savePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageManifestFilePath(_packageVersion);
 					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, _packageVersion);
 					string webURL = GetDownloadRequestURL(fileName);
 					YooLogger.Log($"Beginning to download manifest file : {webURL}");

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

@@ -41,8 +41,7 @@ namespace YooAsset
 			{
 				if (_downloader == null)
 				{
-					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
+					string filePath = PersistentTools.GetPersistent(_buildinPackageName).GetBuildinPackageManifestFilePath(_buildinPackageVersion);
-					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
 					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader = new UnityWebDataRequester();
 					_downloader.SendRequest(url);

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

@@ -67,7 +67,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.VerifyFileHash)
 			{
-				_manifestFilePath = PersistentTools.GetCacheManifestFilePath(_packageName, _packageVersion);
+				_manifestFilePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageManifestFilePath(_packageVersion);
 				if (File.Exists(_manifestFilePath) == false)
 				{
 					_steps = ESteps.Done;
@@ -131,7 +131,7 @@ namespace YooAsset
 				File.Delete(_manifestFilePath);
 			}
 
-			string hashFilePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
+			string hashFilePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageHashFilePath(_packageVersion);
 			if (File.Exists(hashFilePath))
 			{
 				File.Delete(hashFilePath);

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

@@ -37,8 +37,7 @@ namespace YooAsset
 			{
 				if (_downloader == null)
 				{
-					string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
+					string filePath = PersistentTools.GetPersistent(_packageName).GetBuildinPackageVersionFilePath();
-					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
 					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader = new UnityWebDataRequester();
 					_downloader.SendRequest(url);

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

@@ -37,7 +37,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.LoadCachePackageHashFile)
 			{
-				string filePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
+				string filePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageHashFilePath(_packageVersion);
 				if (File.Exists(filePath) == false)
 				{
 					_steps = ESteps.Done;

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

@@ -35,7 +35,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.LoadCachePackageVersionFile)
 			{
-				string filePath = PersistentTools.GetCachePackageVersionFilePath(_packageName);
+				string filePath = PersistentTools.GetPersistent(_packageName).GetSandboxPackageVersionFilePath();
 				if (File.Exists(filePath) == false)
 				{
 					_steps = ESteps.Done;

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

@@ -31,13 +31,13 @@ namespace YooAsset
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if(_steps == ESteps.UnpackManifestHashFile)
+			if (_steps == ESteps.UnpackManifestHashFile)
 			{
 				if (_downloader1 == null)
 				{
-					string savePath = PersistentTools.GetCachePackageHashFilePath(_buildinPackageName, _buildinPackageVersion);
+					var persistent = PersistentTools.GetPersistent(_buildinPackageName);
-					string fileName = YooAssetSettingsData.GetPackageHashFileName(_buildinPackageName, _buildinPackageVersion);
+					string savePath = persistent.GetSandboxPackageHashFilePath(_buildinPackageVersion);
-					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
+					string filePath = persistent.GetBuildinPackageHashFilePath(_buildinPackageVersion);
 					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader1 = new UnityWebFileRequester();
 					_downloader1.SendRequest(url, savePath);
@@ -64,9 +64,9 @@ namespace YooAsset
 			{
 				if (_downloader2 == null)
 				{
-					string savePath = PersistentTools.GetCacheManifestFilePath(_buildinPackageName, _buildinPackageVersion);
+					var persistent = PersistentTools.GetPersistent(_buildinPackageName);
-					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
+					string savePath = persistent.GetSandboxPackageManifestFilePath(_buildinPackageVersion);
-					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
+					string filePath = persistent.GetBuildinPackageManifestFilePath(_buildinPackageVersion);
 					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader2 = new UnityWebFileRequester();
 					_downloader2.SendRequest(url, savePath);

Assets/YooAsset/Runtime/PackageSystem/Operations/PreDownloadContentOperation.cs

@@ -169,7 +169,7 @@ namespace YooAsset
 			{
 				if (_downloadManifestOp == null)
 				{
-					_downloadManifestOp = new DownloadManifestOperation(_impl, _packageName, _packageVersion, _timeout);
+					_downloadManifestOp = new DownloadManifestOperation(_impl.RemoteServices, _packageName, _packageVersion, _timeout);
 					OperationSystem.StartOperation(_downloadManifestOp);
 				}
 

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

@@ -137,7 +137,7 @@ namespace YooAsset
 			{
 				if (_downloadManifestOp == null)
 				{
-					_downloadManifestOp = new DownloadManifestOperation(_impl, _packageName, _packageVersion, _timeout);
+					_downloadManifestOp = new DownloadManifestOperation(_impl.RemoteServices, _packageName, _packageVersion, _timeout);
 					OperationSystem.StartOperation(_downloadManifestOp);
 				}
 

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

@@ -82,7 +82,7 @@ namespace YooAsset
 			{
 				if (_queryRemotePackageVersionOp == null)
 				{
-					_queryRemotePackageVersionOp = new QueryRemotePackageVersionOperation(_impl, _packageName, _appendTimeTicks, _timeout);
+					_queryRemotePackageVersionOp = new QueryRemotePackageVersionOperation(_impl.RemoteServices, _packageName, _appendTimeTicks, _timeout);
 					OperationSystem.StartOperation(_queryRemotePackageVersionOp);
 				}
 

Assets/YooAsset/Runtime/PackageSystem/PackageBundle.cs

@@ -74,13 +74,13 @@ namespace YooAsset
 				string folderName = FileHash.Substring(0, 2);
 				if (IsRawFile)
 				{
-					string cacheRoot = PersistentTools.GetCachedRawFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetPersistent(PackageName).SandboxCacheRawFilesRoot;
 					_cachedDataFilePath = PathUtility.Combine(cacheRoot, folderName, CacheGUID, YooAssetSettings.CacheBundleDataFileName);
 					_cachedDataFilePath += _fileExtension;
 				}
 				else
 				{
-					string cacheRoot = PersistentTools.GetCachedBundleFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetPersistent(PackageName).SandboxCacheBundleFilesRoot;
 					_cachedDataFilePath = PathUtility.Combine(cacheRoot, folderName, CacheGUID, YooAssetSettings.CacheBundleDataFileName);
 				}
 				return _cachedDataFilePath;
@@ -101,12 +101,12 @@ namespace YooAsset
 				string folderName = FileHash.Substring(0, 2);
 				if (IsRawFile)
 				{
-					string cacheRoot = PersistentTools.GetCachedRawFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetPersistent(PackageName).SandboxCacheRawFilesRoot;
 					_cachedInfoFilePath = PathUtility.Combine(cacheRoot, folderName, CacheGUID, YooAssetSettings.CacheBundleInfoFileName);
 				}
 				else
 				{
-					string cacheRoot = PersistentTools.GetCachedBundleFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetPersistent(PackageName).SandboxCacheBundleFilesRoot;
 					_cachedInfoFilePath = PathUtility.Combine(cacheRoot, folderName, CacheGUID, YooAssetSettings.CacheBundleInfoFileName);
 				}
 				return _cachedInfoFilePath;
@@ -140,7 +140,8 @@ namespace YooAsset
 				if (string.IsNullOrEmpty(_streamingFilePath) == false)
 					return _streamingFilePath;
 
-				_streamingFilePath = PersistentTools.MakeStreamingLoadPath(FileName);
+				string root = PersistentTools.GetPersistent(PackageName).BuildinPackageRoot;
+				_streamingFilePath = PathUtility.Combine(root, FileName);
 				return _streamingFilePath;
 			}
 		}

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

@@ -4,25 +4,28 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-	internal class HostPlayModeImpl : IPlayModeServices, IBundleServices, IRemoteServices
+	internal class HostPlayModeImpl : IPlayModeServices, IBundleServices
 	{
 		private PackageManifest _activeManifest;
 
 		// 参数相关
 		private string _packageName;
-		private string _defaultHostServer;
-		private string _fallbackHostServer;
 		private IQueryServices _queryServices;
+		private IRemoteServices _remoteServices;
+
+		public IRemoteServices RemoteServices
+		{
+			get { return _remoteServices; }
+		}
 
 		/// <summary>
 		/// 异步初始化
 		/// </summary>
-		public InitializationOperation InitializeAsync(string packageName, string defaultHostServer, string fallbackHostServer, IQueryServices queryServices)
+		public InitializationOperation InitializeAsync(string packageName, IQueryServices queryServices, IRemoteServices remoteServices)
 		{
 			_packageName = packageName;
-			_defaultHostServer = defaultHostServer;
-			_fallbackHostServer = fallbackHostServer;
 			_queryServices = queryServices;
+			_remoteServices = remoteServices;
 
 			var operation = new HostPlayModeInitializationOperation(this, packageName);
 			OperationSystem.StartOperation(operation);
@@ -42,23 +45,12 @@ namespace YooAsset
 		}
 		private BundleInfo ConvertToDownloadInfo(PackageBundle packageBundle)
 		{
-			string remoteMainURL = GetRemoteMainURL(packageBundle.FileName);
+			string remoteMainURL = _remoteServices.GetRemoteMainURL(packageBundle.FileName);
-			string remoteFallbackURL = GetRemoteFallbackURL(packageBundle.FileName);
+			string remoteFallbackURL = _remoteServices.GetRemoteFallbackURL(packageBundle.FileName);
 			BundleInfo bundleInfo = new BundleInfo(packageBundle, BundleInfo.ELoadMode.LoadFromRemote, remoteMainURL, remoteFallbackURL);
 			return bundleInfo;
 		}
 
-		#region IRemoteServices接口
-		public string GetRemoteMainURL(string fileName)
-		{
-			return $"{_defaultHostServer}/{fileName}";
-		}
-		public string GetRemoteFallbackURL(string fileName)
-		{
-			return $"{_fallbackHostServer}/{fileName}";
-		}
-		#endregion
-
 		#region IPlayModeServices接口
 		public PackageManifest ActiveManifest
 		{
@@ -74,12 +66,14 @@ namespace YooAsset
 		public void FlushManifestVersionFile()
 		{
 			if (_activeManifest != null)
-				PersistentTools.SaveCachePackageVersionFile(_packageName, _activeManifest.PackageVersion);
+			{
+				PersistentTools.GetPersistent(_packageName).SaveSandboxPackageVersionFile(_activeManifest.PackageVersion);
+			}
 		}
 
 		private bool IsBuildinPackageBundle(PackageBundle packageBundle)
 		{
-			return _queryServices.QueryStreamingAssets(packageBundle.FileName);
+			return _queryServices.QueryStreamingAssets(_packageName, packageBundle.FileName);
 		}
 		private bool IsCachedPackageBundle(PackageBundle packageBundle)
 		{

Assets/YooAsset/Runtime/PackageSystem/ResourcePackage.cs

@@ -62,7 +62,7 @@ namespace YooAsset
 
 				if (_assetSystemImpl != null)
 				{
-					_assetSystemImpl.DestroyAll();
+					_assetSystemImpl.ForceUnloadAllAssets();
 					_assetSystemImpl = null;
 				}
 			}
@@ -79,6 +79,10 @@ namespace YooAsset
 			// 检测初始化参数合法性
 			CheckInitializeParameters(parameters);
 
+			// 重写持久化根目录
+			var persistent = PersistentTools.GetOrCreatePersistent(PackageName);
+			persistent.OverwriteRootDirectory(parameters.BuildinRootDirectory, parameters.SandboxRootDirectory);
+
 			// 初始化资源系统
 			InitializationOperation initializeOperation;
 			_assetSystemImpl = new AssetSystemImpl();
@@ -118,9 +122,8 @@ namespace YooAsset
 				var initializeParameters = parameters as HostPlayModeParameters;
 				initializeOperation = hostPlayModeImpl.InitializeAsync(
 					PackageName,
-					initializeParameters.DefaultHostServer,
+					initializeParameters.QueryServices,
-					initializeParameters.FallbackHostServer,
+					initializeParameters.RemoteServices
-					initializeParameters.QueryServices
 					);
 			}
 			else
@@ -168,12 +171,10 @@ namespace YooAsset
 			if (parameters is HostPlayModeParameters)
 			{
 				var hostPlayModeParameters = parameters as HostPlayModeParameters;
-				if (string.IsNullOrEmpty(hostPlayModeParameters.DefaultHostServer))
-					throw new Exception($"${hostPlayModeParameters.DefaultHostServer} is null or empty.");
-				if (string.IsNullOrEmpty(hostPlayModeParameters.FallbackHostServer))
-					throw new Exception($"${hostPlayModeParameters.FallbackHostServer} is null or empty.");
 				if (hostPlayModeParameters.QueryServices == null)
 					throw new Exception($"{nameof(IQueryServices)} is null.");
+				if (hostPlayModeParameters.RemoteServices == null)
+					throw new Exception($"{nameof(IRemoteServices)} is null.");
 			}
 
 			// 鉴定运行模式
@@ -291,6 +292,37 @@ namespace YooAsset
 			_assetSystemImpl.ForceUnloadAllAssets();
 		}
 
+		#region 沙盒相关
+		/// <summary>
+		/// 获取包裹的内置文件根路径
+		/// </summary>
+		public string GetPackageBuildinRootDirectory()
+		{
+			DebugCheckInitialize();
+			var persistent = PersistentTools.GetPersistent(PackageName);
+			return persistent.BuildinRoot;
+		}
+
+		/// <summary>
+		/// 获取包裹的沙盒文件根路径
+		/// </summary>
+		public string GetPackageSandboxRootDirectory()
+		{
+			DebugCheckInitialize();
+			var persistent = PersistentTools.GetPersistent(PackageName);
+			return persistent.SandboxRoot;
+		}
+
+		/// <summary>
+		/// 清空包裹的沙盒目录
+		/// </summary>
+		public void ClearPackageSandbox()
+		{
+			DebugCheckInitialize();
+			var persistent = PersistentTools.GetPersistent(PackageName);
+			persistent.DeleteSandboxPackageFolder();
+		}
+		#endregion
 
 		#region 资源信息
 		/// <summary>

Assets/YooAsset/Runtime/Services/IQueryServices.cs

@@ -6,6 +6,6 @@ namespace YooAsset
 		/// <summary>
 		/// 查询内置资源
 		/// </summary>
-		bool QueryStreamingAssets(string fileName);
+		bool QueryStreamingAssets(string packageName, string fileName);
 	}
 }

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

@@ -1,9 +1,18 @@
 
 namespace YooAsset
 {
-	internal interface IRemoteServices
+	public interface IRemoteServices
 	{
+		/// <summary>
+		/// 获取主资源站的资源地址
+		/// </summary>
+		/// <param name="fileName">请求的文件名称</param>
 		string GetRemoteMainURL(string fileName);
+
+		/// <summary>
+		/// 获取备用资源站的资源地址
+		/// </summary>
+		/// <param name="fileName">请求的文件名称</param>
 		string GetRemoteFallbackURL(string fileName);
 	}
 }

Assets/YooAsset/Runtime/Settings/YooAssetSettings.cs

@@ -37,6 +37,31 @@ namespace YooAsset
 		/// </summary>
 		public const string CacheBundleInfoFileName = "__info";
 
+		/// <summary>
+		/// 默认的YooAsset文件夹名称
+		/// </summary>
+		public const string DefaultYooFolderName = "yoo";
+
+		/// <summary>
+		/// 缓存的资源文件的文件夹名称
+		/// </summary>
+		public const string CachedBundleFileFolder = "CacheBundleFiles";
+
+		/// <summary>
+		/// 缓存的原生文件的文件夹名称
+		/// </summary>
+		public const string CachedRawFileFolder = "CacheRawFiles";
+
+		/// <summary>
+		/// 缓存的清单文件的文件夹名称
+		/// </summary>
+		public const string ManifestFolderName = "ManifestFiles";
+
+		/// <summary>
+		/// 记录应用程序版本的文件名称
+		/// </summary>
+		public const string AppFootPrintFileName = "ApplicationFootPrint.bytes";
+
 
 		/// <summary>
 		/// 构建输出文件夹名称
@@ -47,10 +72,5 @@ namespace YooAsset
 		/// 构建输出的报告文件
 		/// </summary>
 		public const string ReportFileName = "BuildReport";
-
-		/// <summary>
-		/// 内置资源目录名称
-		/// </summary>
-		public const string StreamingAssetsBuildinFolder = "BuildinFiles";
 	}
 }

Assets/YooAsset/Runtime/YooAssets.cs

@@ -217,6 +217,21 @@ namespace YooAsset
 			DownloadSystem.RequestDelegate = requestDelegate;
 		}
 
+		/// <summary>
+		/// 设置下载系统参数，网络重定向次数（Unity引擎默认值32）
+		/// 注意：不支持设置为负值
+		/// </summary>
+		public static void SetDownloadSystemRedirectLimit(int redirectLimit)
+		{
+			if (redirectLimit < 0)
+			{
+				YooLogger.Warning($"Invalid param value : {redirectLimit}");
+				return;
+			}
+
+			DownloadSystem.RedirectLimit = redirectLimit;
+		}
+
 		/// <summary>
 		/// 设置异步系统参数，每帧执行消耗的最大时间切片（单位：毫秒）
 		/// </summary>
@@ -239,51 +254,11 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 设置缓存系统参数，沙盒目录的存储路径
+		/// 设置缓存系统参数，禁用缓存在WebGL平台
 		/// </summary>
-		public static void SetCacheSystemSandboxPath(string sandboxPath)
+		public static void SetCacheSystemDisableCacheOnWebGL()
 		{
-			if (string.IsNullOrEmpty(sandboxPath))
+			CacheSystem.DisableUnityCacheOnWebGL = true;
-			{
-				YooLogger.Error($"Sandbox path is null or empty !");
-				return;
-			}
-
-			// 注意：需要确保没有任何资源系统起效之前才可以设置沙盒目录！
-			if (_packages.Count > 0)
-			{
-				YooLogger.Error($"Please call this method {nameof(SetCacheSystemSandboxPath)} before the package is created !");
-				return;
-			}
-
-			PersistentTools.OverwriteSandboxPath(sandboxPath);
-		}
-		#endregion
-
-		#region 沙盒相关
-		/// <summary>
-		/// 获取内置文件夹名称
-		/// </summary>
-		public static string GetStreamingAssetBuildinFolderName()
-		{
-			return YooAssetSettings.StreamingAssetsBuildinFolder;
-		}
-
-		/// <summary>
-		/// 获取沙盒的根路径
-		/// </summary>
-		public static string GetSandboxRoot()
-		{
-			return PersistentTools.GetPersistentRootPath();
-		}
-
-		/// <summary>
-		/// 清空沙盒目录（需要重启APP）
-		/// </summary>
-		public static void ClearSandbox()
-		{
-			YooLogger.Warning("Clear sandbox folder files, Finally, restart the application !");
-			PersistentTools.DeleteSandbox();
 		}
 		#endregion
 

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

@@ -20,6 +20,7 @@ namespace YooAsset.Editor
 		}
 
 		private string _manifestPath = string.Empty;
+		private string _packageName = "DefaultPackage";
 
 		private void OnGUI()
 		{
@@ -39,7 +40,8 @@ namespace YooAsset.Editor
 			{
 				if (GUILayout.Button("导入补丁包（全部文件）", GUILayout.MaxWidth(150)))
 				{
-					AssetBundleBuilderHelper.ClearStreamingAssetsFolder();
+					string streamingAssetsRoot = AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot();
+					EditorTools.ClearFolder(streamingAssetsRoot);
 					CopyPackageFiles(_manifestPath);
 				}
 			}
@@ -57,18 +59,18 @@ namespace YooAsset.Editor
 			// 拷贝核心文件
 			{
 				string sourcePath = $"{outputDirectory}/{manifestFileName}.bytes";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{manifestFileName}.bytes";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{manifestFileName}.bytes";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 			{
 				string sourcePath = $"{outputDirectory}/{manifestFileName}.hash";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{manifestFileName}.hash";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{manifestFileName}.hash";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 			{
 				string fileName = YooAssetSettingsData.GetPackageVersionFileName(manifest.PackageName);
 				string sourcePath = $"{outputDirectory}/{fileName}";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{fileName}";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{fileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 
@@ -78,7 +80,7 @@ namespace YooAsset.Editor
 			{
 				fileCount++;
 				string sourcePath = $"{outputDirectory}/{packageBundle.FileName}";
-				string destPath = $"{AssetBundleBuilderHelper.GetStreamingAssetsFolderPath()}/{packageBundle.FileName}";
+				string destPath = $"{AssetBundleBuilderHelper.GetDefaultStreamingAssetsRoot()}/{_packageName}/{packageBundle.FileName}";
 				EditorTools.CopyFile(sourcePath, destPath, true);
 			}
 

Assets/YooAsset/Samples~/Space Shooter/GameScript/Runtime/PatchLogic/FsmNode/FsmInitialize.cs

@@ -65,11 +65,12 @@ internal class FsmInitialize : IStateNode
 		// 联机运行模式
 		if (playMode == EPlayMode.HostPlayMode)
 		{
+			string defaultHostServer = GetHostServerURL();
+			string fallbackHostServer = GetHostServerURL();
 			var createParameters = new HostPlayModeParameters();
 			createParameters.DecryptionServices = new GameDecryptionServices();
 			createParameters.QueryServices = new GameQueryServices();
-			createParameters.DefaultHostServer = GetHostServerURL();
+			createParameters.RemoteServices = new RemoteServices(defaultHostServer, fallbackHostServer);
-			createParameters.FallbackHostServer = GetHostServerURL();
 			initializationOperation = package.InitializeAsync(createParameters);
 		}
 
@@ -115,6 +116,30 @@ internal class FsmInitialize : IStateNode
 #endif
 	}
 
+
+	/// <summary>
+	/// 远端资源地址查询服务类
+	/// </summary>
+	private class RemoteServices : IRemoteServices
+	{
+		private readonly string _defaultHostServer;
+		private readonly string _fallbackHostServer;
+
+		public RemoteServices(string defaultHostServer, string fallbackHostServer)
+		{
+			_defaultHostServer = defaultHostServer;
+			_fallbackHostServer = fallbackHostServer;
+		}
+		string IRemoteServices.GetRemoteFallbackURL(string fileName)
+		{
+			return $"{_defaultHostServer}/{fileName}";
+		}
+		string IRemoteServices.GetRemoteMainURL(string fileName)
+		{
+			return $"{_fallbackHostServer}/{fileName}";
+		}
+	}
+
 	/// <summary>
 	/// 资源文件解密服务类
 	/// </summary>

Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelper.cs

@@ -3,15 +3,20 @@ using System.Collections.Generic;
 using UnityEngine;
 using YooAsset;
 
+public class StreamingAssetsDefine
+{
+	public const string RootFolderName = "yoo";
+}
+
 /// <summary>
 /// 内置文件查询服务类
 /// </summary>
 public class GameQueryServices : IQueryServices
 {
-	public bool QueryStreamingAssets(string fileName)
+	public bool QueryStreamingAssets(string packageName, string fileName)
 	{
 		// 注意：fileName包含文件格式
-		return StreamingAssetsHelper.FileExists(fileName);
+		return StreamingAssetsHelper.FileExists(packageName, fileName);
 	}
 }
 
@@ -22,9 +27,10 @@ public class GameQueryServices : IQueryServices
 public sealed class StreamingAssetsHelper
 {
 	public static void Init() { }
-	public static bool FileExists(string fileName)
+	public static bool FileExists(string packageName, string fileName)
 	{
-		return File.Exists(Path.Combine(Application.streamingAssetsPath, "BuildinFiles", fileName));
+		string filePath = Path.Combine(Application.streamingAssetsPath, StreamingAssetsDefine.RootFolderName, packageName, fileName);
+		return File.Exists(filePath);
 	}
 }
 #else
@@ -45,9 +51,12 @@ public sealed class StreamingAssetsHelper
 		{
 			_isInit = true;
 			var manifest = Resources.Load<BuildinFileManifest>("BuildinFileManifest");
-			foreach (string fileName in manifest.BuildinFiles)
+			if (manifest != null)
 			{
-				_cacheData.Add(fileName);
+				foreach (string fileName in manifest.BuildinFiles)
+				{
+					_cacheData.Add(fileName);
+				}
 			}
 		}
 	}
@@ -55,7 +64,7 @@ public sealed class StreamingAssetsHelper
 	/// <summary>
 	/// 内置文件查询方法
 	/// </summary>
-	public static bool FileExists(string fileName)
+	public static bool FileExists(string packageName, string fileName)
 	{
 		if (_isInit == false)
 			Init();
@@ -75,11 +84,20 @@ internal class PreprocessBuild : UnityEditor.Build.IPreprocessBuildWithReport
 	/// </summary>
 	public void OnPreprocessBuild(UnityEditor.Build.Reporting.BuildReport report)
 	{
-		var manifest = ScriptableObject.CreateInstance<BuildinFileManifest>();
+		string saveFilePath = "Assets/Resources/BuildinFileManifest.asset";
+		if (File.Exists(saveFilePath))
+			File.Delete(saveFilePath);
 
-		string folderPath = $"{Application.dataPath}/StreamingAssets/BuildinFiles";
+		string folderPath = $"{Application.dataPath}/StreamingAssets/{StreamingAssetsDefine.RootFolderName}";
 		DirectoryInfo root = new DirectoryInfo(folderPath);
-		FileInfo[] files = root.GetFiles();
+		if (root.Exists == false)
+		{
+			Debug.Log($"没有发现YooAsset内置目录 : {folderPath}");
+			return;
+		}
+
+		var manifest = ScriptableObject.CreateInstance<BuildinFileManifest>();
+		FileInfo[] files = root.GetFiles("*", SearchOption.AllDirectories);
 		foreach (var fileInfo in files)
 		{
 			if (fileInfo.Extension == ".meta")
@@ -89,15 +107,12 @@ internal class PreprocessBuild : UnityEditor.Build.IPreprocessBuildWithReport
 			manifest.BuildinFiles.Add(fileInfo.Name);
 		}
 
-		string saveFilePath = "Assets/Resources/BuildinFileManifest.asset";
-		if (File.Exists(saveFilePath))
-			File.Delete(saveFilePath);
 		if (Directory.Exists("Assets/Resources") == false)
 			Directory.CreateDirectory("Assets/Resources");
 		UnityEditor.AssetDatabase.CreateAsset(manifest, saveFilePath);
 		UnityEditor.AssetDatabase.SaveAssets();
 		UnityEditor.AssetDatabase.Refresh();
-		Debug.Log($"内置资源清单保存成功 : {saveFilePath}");
+		Debug.Log($"一共{manifest.BuildinFiles.Count}个内置文件，内置资源清单保存成功 : {saveFilePath}");
 	}
 }
 #endif

Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/StreamingAssetsHelperOLD.cs

@@ -6,15 +6,19 @@ using UnityEngine;
 using YooAsset;
 
 /*
+public class StreamingAssetsDefine
+{
+	public const string RootFolderName = "yoo";
+}
+
 /// <summary>
 /// 内置文件查询服务类
 /// </summary>
 public class GameQueryServices : IQueryServices
 {
-	public bool QueryStreamingAssets(string fileName)
+	public bool QueryStreamingAssets(string packageName, string fileName)
 	{
-		string buildinFolderName = YooAssets.GetStreamingAssetBuildinFolderName();
+		return StreamingAssetsHelper.FileExists($"{StreamingAssetsDefine.RootFolderName}/{packageName}/{fileName}");
-		return StreamingAssetsHelper.FileExists($"{buildinFolderName}/{fileName}");
 	}
 }
 

Assets/YooAsset/package.json

@@ -1,7 +1,7 @@
 {
     "name": "com.tuyoogame.yooasset",
     "displayName": "YooAsset",
-    "version": "1.4.17",
+    "version": "1.5.1",
     "unity": "2019.4",
     "description": "unity3d resources management system.",
     "author": {