Merge 02250c3352 into 14ea408fec

新增示例文件 CopyBuildinManifestOperation

Assets/YooAsset/Editor/AssetBundleBuilder/BuildParameters.cs

@@ -46,6 +46,10 @@ namespace YooAsset.Editor
         /// </summary>
         public string PackageVersion;
 
+        /// <summary>
+        /// 构建的包裹备注
+        /// </summary>
+        public string PackageNote;
 
         /// <summary>
         /// 是否启用共享资源打包
@@ -159,6 +163,12 @@ namespace YooAsset.Editor
             {
                 BuildLogger.Log($"Create pipeline output directory: {pipelineOutputDirectory}");
             }
+
+            // 设置默认备注信息
+            if (string.IsNullOrEmpty(PackageNote))
+            {
+                PackageNote = DateTime.Now.ToString();
+            }
         }
 
 

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateManifest.cs

@@ -35,6 +35,7 @@ namespace YooAsset.Editor
             manifest.BuildPipeline = buildParameters.BuildPipeline;
             manifest.PackageName = buildParameters.PackageName;
             manifest.PackageVersion = buildParameters.PackageVersion;
+            manifest.PackageNote = buildParameters.PackageNote;
             manifest.BundleList = GetAllPackageBundle(buildMapContext);
             manifest.AssetList = GetAllPackageAsset(buildMapContext);
 

Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateReport.cs

@@ -31,6 +31,7 @@ namespace YooAsset.Editor
                 buildReport.Summary.BuildMode = buildParameters.BuildMode;
                 buildReport.Summary.BuildPackageName = buildParameters.PackageName;
                 buildReport.Summary.BuildPackageVersion = buildParameters.PackageVersion;
+                buildReport.Summary.BuildPackageNote = buildParameters.PackageNote;
 
                 // 收集器配置
                 buildReport.Summary.UniqueBundleName = buildMapContext.Command.UniqueBundleName;

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorWindow.cs

@@ -205,7 +205,9 @@ namespace YooAsset.Editor
                 _packageListView = root.Q<ListView>("PackageListView");
                 _packageListView.makeItem = MakePackageListViewItem;
                 _packageListView.bindItem = BindPackageListViewItem;
-#if UNITY_2020_1_OR_NEWER
+#if UNITY_2022_3_OR_NEWER
+                _packageListView.selectionChanged += PackageListView_onSelectionChange;
+#elif UNITY_2020_1_OR_NEWER
                 _packageListView.onSelectionChange += PackageListView_onSelectionChange;
 #else
                 _packageListView.onSelectionChanged += PackageListView_onSelectionChange;
@@ -250,7 +252,9 @@ namespace YooAsset.Editor
                 _groupListView = root.Q<ListView>("GroupListView");
                 _groupListView.makeItem = MakeGroupListViewItem;
                 _groupListView.bindItem = BindGroupListViewItem;
-#if UNITY_2020_1_OR_NEWER
+#if UNITY_2022_3_OR_NEWER
+                _groupListView.selectionChanged += GroupListView_onSelectionChange;
+#elif UNITY_2020_1_OR_NEWER
                 _groupListView.onSelectionChange += GroupListView_onSelectionChange;
 #else
                 _groupListView.onSelectionChanged += GroupListView_onSelectionChange;

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

@@ -35,7 +35,9 @@ namespace YooAsset.Editor
             _assetListView = _root.Q<ListView>("TopListView");
             _assetListView.makeItem = MakeAssetListViewItem;
             _assetListView.bindItem = BindAssetListViewItem;
-#if UNITY_2020_1_OR_NEWER
+#if UNITY_2022_3_OR_NEWER
+            _assetListView.selectionChanged += AssetListView_onSelectionChange;
+#elif UNITY_2020_1_OR_NEWER
             _assetListView.onSelectionChange += AssetListView_onSelectionChange;
 #else
             _assetListView.onSelectionChanged += AssetListView_onSelectionChange;

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

@@ -35,7 +35,9 @@ namespace YooAsset.Editor
             _bundleListView = _root.Q<ListView>("TopListView");
             _bundleListView.makeItem = MakeBundleListViewItem;
             _bundleListView.bindItem = BindBundleListViewItem;
-#if UNITY_2020_1_OR_NEWER
+#if UNITY_2022_3_OR_NEWER
+            _bundleListView.selectionChanged += BundleListView_onSelectionChange;
+#elif UNITY_2020_1_OR_NEWER
             _bundleListView.onSelectionChange += BundleListView_onSelectionChange;
 #else
             _bundleListView.onSelectionChanged += BundleListView_onSelectionChange;

Assets/YooAsset/Editor/AssetBundleReporter/ReportSummary.cs

@@ -53,6 +53,11 @@ namespace YooAsset.Editor
         /// </summary>
         public string BuildPackageVersion;
 
+        /// <summary>
+        /// 构建包裹备注
+        /// </summary>
+        public string BuildPackageNote;
+
         // 收集器配置
         public bool UniqueBundleName;
         public bool EnableAddressable;

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

@@ -58,7 +58,9 @@ namespace YooAsset.Editor
             _assetListView = _root.Q<ListView>("TopListView");
             _assetListView.makeItem = MakeAssetListViewItem;
             _assetListView.bindItem = BindAssetListViewItem;
-#if UNITY_2020_1_OR_NEWER
+#if UNITY_2022_3_OR_NEWER
+            _assetListView.selectionChanged += AssetListView_onSelectionChange;
+#elif UNITY_2020_1_OR_NEWER
             _assetListView.onSelectionChange += AssetListView_onSelectionChange;
 #else
             _assetListView.onSelectionChanged += AssetListView_onSelectionChange;

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

@@ -66,7 +66,9 @@ namespace YooAsset.Editor
             _bundleListView = _root.Q<ListView>("TopListView");
             _bundleListView.makeItem = MakeBundleListViewItem;
             _bundleListView.bindItem = BindBundleListViewItem;
-#if UNITY_2020_1_OR_NEWER
+#if UNITY_2022_3_OR_NEWER
+            _bundleListView.selectionChanged += BundleListView_onSelectionChange;
+#elif UNITY_2020_1_OR_NEWER
             _bundleListView.onSelectionChange += BundleListView_onSelectionChange;
 #else
             _bundleListView.onSelectionChanged += BundleListView_onSelectionChange;

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

@@ -65,6 +65,7 @@ namespace YooAsset.Editor
             _items.Add(new ItemWrapper("Build Mode", $"{buildReport.Summary.BuildMode}"));
             _items.Add(new ItemWrapper("Package Name", buildReport.Summary.BuildPackageName));
             _items.Add(new ItemWrapper("Package Version", buildReport.Summary.BuildPackageVersion));
+            _items.Add(new ItemWrapper("Package Note", buildReport.Summary.BuildPackageNote));
 
             _items.Add(new ItemWrapper(string.Empty, string.Empty));
             _items.Add(new ItemWrapper("Collect Settings", string.Empty));

Assets/YooAsset/Runtime/FileSystem/CacheSystem.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: da6402a4b93d31943b26fb99cebc0dfd
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheFileElement.cs

@@ -0,0 +1,38 @@
+using System.IO;
+
+namespace YooAsset
+{
+    internal class CacheFileElement
+    {
+        public string PackageName { private set; get; }
+        public string BundleGUID { private set; get; }
+        public string FileRootPath { private set; get; }
+        public string DataFilePath { private set; get; }
+        public string InfoFilePath { private set; get; }
+
+        public EFileVerifyResult Result;
+        public string DataFileCRC;
+        public long DataFileSize;
+
+        public CacheFileElement(string packageName, string bundleGUID, string fileRootPath, string dataFilePath, string infoFilePath)
+        {
+            PackageName = packageName;
+            BundleGUID = bundleGUID;
+            FileRootPath = fileRootPath;
+            DataFilePath = dataFilePath;
+            InfoFilePath = infoFilePath;
+        }
+
+        public void DeleteFiles()
+        {
+            try
+            {
+                Directory.Delete(FileRootPath, true);
+            }
+            catch (System.Exception e)
+            {
+                YooLogger.Warning($"Failed to delete cache bundle folder : {e}");
+            }
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheFileElement.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: d6f813e2460f55e4ba3f54527e6999e3
+guid: 0c361449cdcbd8746ba3fb948798ae1b
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheHelper.cs

@@ -0,0 +1,25 @@
+using System;
+using System.IO;
+
+namespace YooAsset
+{
+    internal class CacheHelper
+    {
+        /// <summary>
+        /// 获取默认的缓存根目录
+        /// </summary>
+        public static string GetDefaultCacheRoot()
+        {
+#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, YooAssetSettingsData.Setting.DefaultYooFolderName);
+#elif UNITY_STANDALONE
+            return PathUtility.Combine(UnityEngine.Application.dataPath, YooAssetSettingsData.Setting.DefaultYooFolderName);
+#else
+            return PathUtility.Combine(UnityEngine.Application.persistentDataPath, YooAssetSettingsData.Setting.DefaultYooFolderName);	
+#endif
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheWrapper.cs

@@ -0,0 +1,19 @@
+
+namespace YooAsset
+{
+    internal class CacheWrapper
+    {
+        public string InfoFilePath { private set; get; }
+        public string DataFilePath { private set; get; }
+        public string DataFileCRC { private set; get; }
+        public long DataFileSize { private set; get; }
+        
+        public CacheWrapper(string infoFilePath, string dataFilePath, string dataFileCRC, long dataFileSize)
+        {
+            InfoFilePath = infoFilePath;
+            DataFilePath = dataFilePath;
+            DataFileCRC = dataFileCRC;
+            DataFileSize = dataFileSize;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheWrapper.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ae2176c4ea6fbb3478bf8757def34cd7
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Interface.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: ce78de82d3ce1a841a1e6bad099e0bab
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Interface/ICacheSystem.cs

@@ -0,0 +1,67 @@
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+    internal interface ICacheSystem
+    {
+        /// <summary>
+        /// 获取缓存文件的根目录
+        /// </summary>
+        string GetCacheFileRoot();
+
+        /// <summary>
+        /// 获取临时缓存文件路径
+        /// </summary>
+        string GetTempFilePath(PackageBundle bundle);
+
+        /// <summary>
+        /// 获取数据文件路径
+        /// </summary>
+        string GetDataFilePath(PackageBundle bundle);
+
+        /// <summary>
+        /// 获取信息文件路径
+        /// </summary>
+        string GetInfoFilePath(PackageBundle bundle);
+
+        /// <summary>
+        /// 获取所有缓存文件的GUID
+        /// </summary>
+        List<string> GetAllCachedBundleGUIDs();
+
+        /// <summary>
+        /// 是否记录了文件
+        /// </summary>
+        bool IsRecordFile(string bundleGUID);
+
+        /// <summary>
+        /// 记录指定文件
+        /// </summary>
+        bool RecordFile(string bundleGUID, CacheWrapper wrapper);
+
+        /// <summary>
+        /// 验证缓存文件
+        /// </summary>
+        EFileVerifyResult VerifyCacheFile(PackageBundle bundle);
+
+        /// <summary>
+        /// 写入缓存文件
+        /// </summary>
+        bool WriteCacheFile(PackageBundle bundle, string copyPath);
+
+        /// <summary>
+        /// 删除缓存文件
+        /// </summary>
+        bool DeleteCacheFile(string bundleGUID);
+
+        /// <summary>
+        /// 写入文件信息
+        /// </summary>
+        void WriteInfoFile(string filePath, string dataFileCRC, long dataFileSize);
+
+        /// <summary>
+        /// 读取文件信息
+        /// </summary>
+        void ReadInfoFile(string filePath, out string dataFileCRC, out long dataFileSize);
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Interface/ICacheSystem.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f878bc9a12f5d2d40aee754ddfaada86
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 8cae5a51fced527429445b140b8a0843
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/ClearAllCacheFilesOperation.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-    internal sealed class DCFSClearAllBundleFilesOperation : FSClearAllBundleFilesOperation
+    internal sealed class ClearAllCacheFilesOperation : FSClearAllBundleFilesOperation
     {
         private enum ESteps
         {
@@ -13,15 +13,15 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
         private List<string> _allBundleGUIDs;
         private int _fileTotalCount = 0;
         private ESteps _steps = ESteps.None;
 
 
-        internal DCFSClearAllBundleFilesOperation(DefaultCacheFileSystem fileSystem)
+        internal ClearAllCacheFilesOperation(ICacheSystem cacheSystem)
         {
-            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
         }
         internal override void InternalOnStart()
         {
@@ -34,7 +34,7 @@ namespace YooAsset
 
             if (_steps == ESteps.GetAllCacheFiles)
             {
-                _allBundleGUIDs = _fileSystem.GetAllCachedBundleGUIDs();
+                _allBundleGUIDs = _cacheSystem.GetAllCachedBundleGUIDs();
                 _fileTotalCount = _allBundleGUIDs.Count;
                 _steps = ESteps.ClearAllCacheFiles;
                 YooLogger.Log($"Found all cache files count : {_fileTotalCount}");
@@ -45,7 +45,7 @@ namespace YooAsset
                 for (int i = _allBundleGUIDs.Count - 1; i >= 0; i--)
                 {
                     string bundleGUID = _allBundleGUIDs[i];
-                    _fileSystem.DeleteCacheFile(bundleGUID);
+                    _cacheSystem.DeleteCacheFile(bundleGUID);
                     _allBundleGUIDs.RemoveAt(i);
                     if (OperationSystem.IsBusy)
                         break;

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/ClearUnusedCacheFilesOperation.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-    internal sealed class DCFSClearUnusedBundleFilesOperation : FSClearUnusedBundleFilesOperation
+    internal sealed class ClearUnusedCacheFilesOperation : FSClearUnusedBundleFilesOperation
     {
         private enum ESteps
         {
@@ -13,16 +13,16 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
         private readonly PackageManifest _manifest;
         private List<string> _unusedBundleGUIDs;
         private int _unusedFileTotalCount = 0;
         private ESteps _steps = ESteps.None;
 
         
-        internal DCFSClearUnusedBundleFilesOperation(DefaultCacheFileSystem fileSystem, PackageManifest manifest)
+        internal ClearUnusedCacheFilesOperation(ICacheSystem cacheSystem, PackageManifest manifest)
         {
-            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
             _manifest = manifest;
         }
         internal override void InternalOnStart()
@@ -47,7 +47,7 @@ namespace YooAsset
                 for (int i = _unusedBundleGUIDs.Count - 1; i >= 0; i--)
                 {
                     string bundleGUID = _unusedBundleGUIDs[i];
-                    _fileSystem.DeleteCacheFile(bundleGUID);
+                    _cacheSystem.DeleteCacheFile(bundleGUID);
                     _unusedBundleGUIDs.RemoveAt(i);
                     if (OperationSystem.IsBusy)
                         break;
@@ -68,7 +68,7 @@ namespace YooAsset
 
         private List<string> GetUnusedBundleGUIDs()
         {
-            var allBundleGUIDs = _fileSystem.GetAllCachedBundleGUIDs();
+            var allBundleGUIDs = _cacheSystem.GetAllCachedBundleGUIDs();
             List<string> result = new List<string>(allBundleGUIDs.Count);
             foreach (var bundleGUID in allBundleGUIDs)
             {

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/DownloadNormalFileOperation.cs

@@ -0,0 +1,199 @@
+using System.IO;
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+    internal sealed class DownloadNormalFileOperation : DefaultDownloadFileOperation
+    {
+        private readonly IFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
+        private VerifyTempFileOperation _verifyOperation;
+        private string _tempFilePath;
+        private ESteps _steps = ESteps.None;
+
+        internal DownloadNormalFileOperation(IFileSystem fileSystem, ICacheSystem cacheSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
+        {
+            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
+        }
+        internal override void InternalOnStart()
+        {
+            _tempFilePath = _cacheSystem.GetTempFilePath(Bundle);
+            _steps = ESteps.CheckExists;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            // 检测文件是否存在
+            if (_steps == ESteps.CheckExists)
+            {
+                if (_fileSystem.Exists(Bundle))
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
+                }
+                else
+                {
+                    _steps = ESteps.CreateRequest;
+                }
+            }
+
+            // 创建下载器
+            if (_steps == ESteps.CreateRequest)
+            {
+                FileUtility.CreateFileDirectory(_tempFilePath);
+
+                // 删除临时文件
+                if (File.Exists(_tempFilePath))
+                    File.Delete(_tempFilePath);
+
+                // 获取请求地址
+                _requestURL = GetRequestURL();
+
+                // 重置请求
+                ResetRequestFiled();
+
+                // 创建下载器
+                CreateWebRequest();
+
+                _steps = ESteps.CheckRequest;
+            }
+
+            // 检测下载结果
+            if (_steps == ESteps.CheckRequest)
+            {
+                DownloadProgress = _webRequest.downloadProgress;
+                DownloadedBytes = (long)_webRequest.downloadedBytes;
+                Progress = DownloadProgress;
+                if (_webRequest.isDone == false)
+                {
+                    CheckRequestTimeout();
+                    return;
+                }
+
+                // 检查网络错误
+                if (CheckRequestResult())
+                    _steps = ESteps.VerifyTempFile;
+                else
+                    _steps = ESteps.TryAgain;
+
+                // 注意：最终释放请求器
+                DisposeWebRequest();
+            }
+
+            // 验证下载文件
+            if (_steps == ESteps.VerifyTempFile)
+            {
+                var element = new TempFileElement(_tempFilePath, Bundle.FileCRC, Bundle.FileSize);
+                _verifyOperation = new VerifyTempFileOperation(element);
+                OperationSystem.StartOperation(_fileSystem.PackageName, _verifyOperation);
+                _steps = ESteps.CheckVerifyTempFile;
+            }
+
+            // 等待验证完成
+            if (_steps == ESteps.CheckVerifyTempFile)
+            {
+                if (IsWaitForAsyncComplete)
+                    _verifyOperation.WaitForAsyncComplete();
+
+                if (_verifyOperation.IsDone == false)
+                    return;
+
+                if (_verifyOperation.Status == EOperationStatus.Succeed)
+                {
+                    if (_cacheSystem.WriteCacheFile(Bundle, _tempFilePath))
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Succeed;
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"{_fileSystem.GetType().FullName} failed to write file !";
+                        YooLogger.Error(Error);
+                    }
+                }
+                else
+                {
+                    _steps = ESteps.TryAgain;
+                    Error = _verifyOperation.Error;
+                }
+
+                // 注意：验证完成后直接删除文件
+                if (File.Exists(_tempFilePath))
+                    File.Delete(_tempFilePath);
+            }
+
+            // 重新尝试下载
+            if (_steps == ESteps.TryAgain)
+            {
+                if (FailedTryAgain <= 0)
+                {
+                    Status = EOperationStatus.Failed;
+                    _steps = ESteps.Done;
+                    YooLogger.Error(Error);
+                    return;
+                }
+
+                _tryAgainTimer += Time.unscaledDeltaTime;
+                if (_tryAgainTimer > 1f)
+                {
+                    FailedTryAgain--;
+                    _steps = ESteps.CreateRequest;
+                    YooLogger.Warning(Error);
+                }
+            }
+        }
+        internal override void InternalOnAbort()
+        {
+            _steps = ESteps.Done;
+            DisposeWebRequest();
+        }
+        internal override void InternalWaitForAsyncComplete()
+        {
+            bool isReuqestLocalFile = IsRequestLocalFile();
+
+            while (true)
+            {
+                // 注意：如果是导入或解压本地文件，执行等待完毕
+                if (isReuqestLocalFile)
+                {
+                    InternalOnUpdate();
+                    if (IsDone)
+                        break;
+                }
+                else
+                {
+                    if (ExecuteWhileDone())
+                    {
+                        _steps = ESteps.Done;
+                        break;
+                    }
+                }
+            }
+        }
+
+        private void CreateWebRequest()
+        {
+            _webRequest = DownloadSystemHelper.NewUnityWebRequestGet(_requestURL);
+            DownloadHandlerFile handler = new DownloadHandlerFile(_tempFilePath);
+            handler.removeFileOnAbort = true;
+            _webRequest.downloadHandler = handler;
+            _webRequest.disposeDownloadHandlerOnDispose = true;
+            _webRequest.SendWebRequest();
+        }
+        private void DisposeWebRequest()
+        {
+            if (_webRequest != null)
+            {
+                //注意：引擎底层会自动调用Abort方法
+                _webRequest.Dispose();
+                _webRequest = null;
+            }
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/DownloadNormalFileOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 759967d543776a0469b625eff171d235
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/DownloadResumeFileOperation.cs

@@ -1,203 +1,15 @@
-using System.IO;
+using System.Collections.Generic;
+using System.IO;
 using UnityEngine;
 using UnityEngine.Networking;
 
 namespace YooAsset
 {
-    internal sealed class DCFSDownloadNormalFileOperation : DefaultDownloadFileOperation
+    internal sealed class DownloadResumeFileOperation : DefaultDownloadFileOperation
     {
-        private readonly DefaultCacheFileSystem _fileSystem;
-        private VerifyTempFileOperation _verifyOperation;
-        private string _tempFilePath;
-        private ESteps _steps = ESteps.None;
-
-        internal DCFSDownloadNormalFileOperation(DefaultCacheFileSystem fileSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
-        {
-            _fileSystem = fileSystem;
-        }
-        internal override void InternalOnStart()
-        {
-            _tempFilePath = _fileSystem.GetTempFilePath(Bundle);
-            _steps = ESteps.CheckExists;
-        }
-        internal override void InternalOnUpdate()
-        {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            // 检测文件是否存在
-            if (_steps == ESteps.CheckExists)
-            {
-                if (_fileSystem.Exists(Bundle))
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeed;
-                }
-                else
-                {
-                    _steps = ESteps.CreateRequest;
-                }
-            }
-
-            // 创建下载器
-            if (_steps == ESteps.CreateRequest)
-            {
-                FileUtility.CreateFileDirectory(_tempFilePath);
-
-                // 删除临时文件
-                if (File.Exists(_tempFilePath))
-                    File.Delete(_tempFilePath);
-
-                // 获取请求地址
-                _requestURL = GetRequestURL();
-
-                // 重置请求
-                ResetRequestFiled();
-
-                // 创建下载器
-                CreateWebRequest();
-
-                _steps = ESteps.CheckRequest;
-            }
-
-            // 检测下载结果
-            if (_steps == ESteps.CheckRequest)
-            {
-                DownloadProgress = _webRequest.downloadProgress;
-                DownloadedBytes = (long)_webRequest.downloadedBytes;
-                Progress = DownloadProgress;
-                if (_webRequest.isDone == false)
-                {
-                    CheckRequestTimeout();
-                    return;
-                }
-
-                // 检查网络错误
-                if (CheckRequestResult())
-                    _steps = ESteps.VerifyTempFile;
-                else
-                    _steps = ESteps.TryAgain;
-
-                // 注意：最终释放请求器
-                DisposeWebRequest();
-            }
-
-            // 验证下载文件
-            if (_steps == ESteps.VerifyTempFile)
-            {
-                var element = new TempFileElement(_tempFilePath, Bundle.FileCRC, Bundle.FileSize);
-                _verifyOperation = new VerifyTempFileOperation(element);
-                OperationSystem.StartOperation(_fileSystem.PackageName, _verifyOperation);
-                _steps = ESteps.CheckVerifyTempFile;
-            }
-
-            // 等待验证完成
-            if (_steps == ESteps.CheckVerifyTempFile)
-            {
-                if (IsWaitForAsyncComplete)
-                    _verifyOperation.WaitForAsyncComplete();
-
-                if (_verifyOperation.IsDone == false)
-                    return;
-
-                if (_verifyOperation.Status == EOperationStatus.Succeed)
-                {
-                    if (_fileSystem.WriteCacheFile(Bundle, _tempFilePath))
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Succeed;
-                    }
-                    else
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Failed;
-                        Error = $"{_fileSystem.GetType().FullName} failed to write file !";
-                        YooLogger.Error(Error);
-                    }
-                }
-                else
-                {
-                    _steps = ESteps.TryAgain;
-                    Error = _verifyOperation.Error;
-                }
-
-                // 注意：验证完成后直接删除文件
-                if (File.Exists(_tempFilePath))
-                    File.Delete(_tempFilePath);
-            }
-
-            // 重新尝试下载
-            if (_steps == ESteps.TryAgain)
-            {
-                if (FailedTryAgain <= 0)
-                {
-                    Status = EOperationStatus.Failed;
-                    _steps = ESteps.Done;
-                    YooLogger.Error(Error);
-                    return;
-                }
-
-                _tryAgainTimer += Time.unscaledDeltaTime;
-                if (_tryAgainTimer > 1f)
-                {
-                    FailedTryAgain--;
-                    _steps = ESteps.CreateRequest;
-                    YooLogger.Warning(Error);
-                }
-            }
-        }
-        internal override void InternalOnAbort()
-        {
-            _steps = ESteps.Done;
-            DisposeWebRequest();
-        }
-        internal override void InternalWaitForAsyncComplete()
-        {
-            bool isReuqestLocalFile = IsRequestLocalFile();
-
-            while (true)
-            {
-                // 注意：如果是导入或解压本地文件，执行等待完毕
-                if (isReuqestLocalFile)
-                {
-                    InternalOnUpdate();
-                    if (IsDone)
-                        break;
-                }
-                else
-                {
-                    if (ExecuteWhileDone())
-                    {
-                        _steps = ESteps.Done;
-                        break;
-                    }
-                }
-            }
-        }
-
-        private void CreateWebRequest()
-        {
-            _webRequest = DownloadSystemHelper.NewUnityWebRequestGet(_requestURL);
-            DownloadHandlerFile handler = new DownloadHandlerFile(_tempFilePath);
-            handler.removeFileOnAbort = true;
-            _webRequest.downloadHandler = handler;
-            _webRequest.disposeDownloadHandlerOnDispose = true;
-            _webRequest.SendWebRequest();
-        }
-        private void DisposeWebRequest()
-        {
-            if (_webRequest != null)
-            {
-                //注意：引擎底层会自动调用Abort方法
-                _webRequest.Dispose();
-                _webRequest = null;
-            }
-        }
-    }
-
-    internal sealed class DCFSDownloadResumeFileOperation : DefaultDownloadFileOperation
-    {
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly IFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
+        private readonly List<long> _responseCodes;
         private DownloadHandlerFileRange _downloadHandle;
         private VerifyTempFileOperation _verifyOperation;
         private long _fileOriginLength = 0;
@@ -205,13 +17,15 @@ namespace YooAsset
         private ESteps _steps = ESteps.None;
 
 
-        internal DCFSDownloadResumeFileOperation(DefaultCacheFileSystem fileSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
+        internal DownloadResumeFileOperation(IFileSystem fileSystem, ICacheSystem cacheSystem, PackageBundle bundle, DownloadParam param, List<long> responseCodes) : base(bundle, param)
         {
             _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
+            _responseCodes = responseCodes;
         }
         internal override void InternalOnStart()
         {
-            _tempFilePath = _fileSystem.GetTempFilePath(Bundle);
+            _tempFilePath = _cacheSystem.GetTempFilePath(Bundle);
             _steps = ESteps.CheckExists;
         }
         internal override void InternalOnUpdate()
@@ -313,7 +127,7 @@ namespace YooAsset
 
                 if (_verifyOperation.Status == EOperationStatus.Succeed)
                 {
-                    if (_fileSystem.WriteCacheFile(Bundle, _tempFilePath))
+                    if (_cacheSystem.WriteCacheFile(Bundle, _tempFilePath))
                     {
                         Status = EOperationStatus.Succeed;
                         _steps = ESteps.Done;
@@ -418,11 +232,11 @@ namespace YooAsset
         }
         private void ClearTempFileWhenError()
         {
-            if (_fileSystem.ResumeDownloadResponseCodes == null)
+            if (_responseCodes == null)
                 return;
 
             //说明：如果遇到以下错误返回码，验证失败直接删除文件
-            if (_fileSystem.ResumeDownloadResponseCodes.Contains(HttpCode))
+            if (_responseCodes.Contains(HttpCode))
             {
                 if (File.Exists(_tempFilePath))
                     File.Delete(_tempFilePath);

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/DownloadResumeFileOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 9bfb785912326f942a31dc77762eb16a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/SearchCacheFilesOperation.cs

@@ -15,7 +15,9 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
+        private readonly string _packageName;
+        private readonly bool _appendFileExtension;
         private IEnumerator<DirectoryInfo> _filesEnumerator = null;
         private float _verifyStartTime;
         private ESteps _steps = ESteps.None;
@@ -26,9 +28,11 @@ namespace YooAsset
         public readonly List<CacheFileElement> Result = new List<CacheFileElement>(5000);
 
 
-        internal SearchCacheFilesOperation(DefaultCacheFileSystem fileSystem)
+        internal SearchCacheFilesOperation(ICacheSystem cacheSystem, string packageName, bool appendFileExtension)
         {
-            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
+            _packageName = packageName;
+            _appendFileExtension = appendFileExtension;   
         }
         internal override void InternalOnStart()
         {
@@ -42,7 +46,7 @@ namespace YooAsset
 
             if (_steps == ESteps.Prepare)
             {
-                DirectoryInfo rootDirectory = new DirectoryInfo(_fileSystem.GetCacheFilesRoot());
+                DirectoryInfo rootDirectory = new DirectoryInfo(_cacheSystem.GetCacheFileRoot());
                 if (rootDirectory.Exists)
                 {
                     var directorieInfos = rootDirectory.EnumerateDirectories();
@@ -80,7 +84,7 @@ namespace YooAsset
                 foreach (var chidDirectory in childDirectories)
                 {
                     string bundleGUID = chidDirectory.Name;
-                    if (_fileSystem.IsRecordFile(bundleGUID))
+                    if (_cacheSystem.IsRecordFile(bundleGUID))
                         continue;
 
                     // 创建验证元素类
@@ -89,14 +93,14 @@ namespace YooAsset
                     string infoFilePath = $"{fileRootPath}/{ DefaultCacheFileSystemDefine.SaveBundleInfoFileName}";
 
                     // 存储的数据文件追加文件格式
-                    if (_fileSystem.AppendFileExtension)
+                    if (_appendFileExtension)
                     {
                         string dataFileExtension = FindDataFileExtension(chidDirectory);
                         if (string.IsNullOrEmpty(dataFileExtension) == false)
                             dataFilePath += dataFileExtension;
                     }
 
-                    var element = new CacheFileElement(_fileSystem.PackageName, bundleGUID, fileRootPath, dataFilePath, infoFilePath);
+                    var element = new CacheFileElement(_packageName, bundleGUID, fileRootPath, dataFilePath, infoFilePath);
                     Result.Add(element);
                 }
 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/VerifyCacheFilesOperation.cs

@@ -6,44 +6,10 @@ using System.Threading;
 
 namespace YooAsset
 {
-    internal class CacheFileElement
-    {
-        public string PackageName { private set; get; }
-        public string BundleGUID { private set; get; }
-        public string FileRootPath { private set; get; }
-        public string DataFilePath { private set; get; }
-        public string InfoFilePath { private set; get; }
-
-        public EFileVerifyResult Result;
-        public string DataFileCRC;
-        public long DataFileSize;
-
-        public CacheFileElement(string packageName, string bundleGUID, string fileRootPath, string dataFilePath, string infoFilePath)
-        {
-            PackageName = packageName;
-            BundleGUID = bundleGUID;
-            FileRootPath = fileRootPath;
-            DataFilePath = dataFilePath;
-            InfoFilePath = infoFilePath;
-        }
-
-        public void DeleteFiles()
-        {
-            try
-            {
-                Directory.Delete(FileRootPath, true);
-            }
-            catch (System.Exception e)
-            {
-                YooLogger.Warning($"Failed to delete cache bundle folder : {e}");
-            }
-        }
-    }
-
     /// <summary>
     /// 缓存文件验证（线程版）
     /// </summary>
-    internal class VerifyCacheFilesOperation : AsyncOperationBase
+    internal sealed class VerifyCacheFilesOperation : AsyncOperationBase
     {
         private enum ESteps
         {
@@ -54,10 +20,10 @@ namespace YooAsset
         }
 
         private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
+        private readonly EFileVerifyLevel _verifyLevel;
         private List<CacheFileElement> _waitingList;
         private List<CacheFileElement> _verifyingList;
-        private EFileVerifyLevel _verifyLevel = EFileVerifyLevel.Middle;
         private int _verifyMaxNum;
         private int _verifyTotalCount;
         private float _verifyStartTime;
@@ -66,11 +32,11 @@ namespace YooAsset
         private ESteps _steps = ESteps.None;
 
 
-        internal VerifyCacheFilesOperation(DefaultCacheFileSystem fileSystem, List<CacheFileElement> elements)
+        internal VerifyCacheFilesOperation(ICacheSystem cacheSystem, EFileVerifyLevel verifyLevel, List<CacheFileElement> elements)
         {
-            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
+            _verifyLevel = verifyLevel;
             _waitingList = elements;
-            _verifyLevel = _fileSystem.FileVerifyLevel;
         }
         internal override void InternalOnStart()
         {
@@ -158,8 +124,8 @@ namespace YooAsset
             if (element.Result == EFileVerifyResult.Succeed)
             {
                 _succeedCount++;
-                var fileWrapper = new DefaultCacheFileSystem.FileWrapper(element.InfoFilePath, element.DataFilePath, element.DataFileCRC, element.DataFileSize);
-                _fileSystem.RecordFile(element.BundleGUID, fileWrapper);
+                var fileWrapper = new CacheWrapper(element.InfoFilePath, element.DataFilePath, element.DataFileCRC, element.DataFileSize);
+                _cacheSystem.RecordFile(element.BundleGUID, fileWrapper);
             }
             else
             {
@@ -191,7 +157,7 @@ namespace YooAsset
                         return EFileVerifyResult.InfoFileNotExisted;
 
                     // 解析信息文件获取验证数据
-                    _fileSystem.ReadInfoFile(element.InfoFilePath, out element.DataFileCRC, out element.DataFileSize);
+                    _cacheSystem.ReadInfoFile(element.InfoFilePath, out element.DataFileCRC, out element.DataFileSize);
                 }
             }
             catch (Exception)
@@ -199,7 +165,7 @@ namespace YooAsset
                 return EFileVerifyResult.Exception;
             }
 
-            return FileSystemHelper.FileVerify(element.DataFilePath, element.DataFileSize, element.DataFileCRC, verifyLevel);
+            return FileVerifyHelper.FileVerify(element.DataFilePath, element.DataFileSize, element.DataFileCRC, verifyLevel);
         }
     }
 }

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/VerifyTempFileOperation.cs

@@ -3,29 +3,10 @@ using System.Threading;
 
 namespace YooAsset
 {
-    internal class TempFileElement
-    {
-        public string TempFilePath { private set; get; }
-        public string TempFileCRC { private set; get; }
-        public long TempFileSize { private set; get; }
-
-        /// <summary>
-        /// 注意：原子操作对象
-        /// </summary>
-        public int Result = 0;
-
-        public TempFileElement(string filePath, string fileCRC, long fileSize)
-        {
-            TempFilePath = filePath;
-            TempFileCRC = fileCRC;
-            TempFileSize = fileSize;
-        }
-    }
-
     /// <summary>
     /// 下载文件验证（线程版）
     /// </summary>
-    internal class VerifyTempFileOperation : AsyncOperationBase
+    internal sealed class VerifyTempFileOperation : AsyncOperationBase
     {
         private enum ESteps
         {
@@ -41,7 +22,7 @@ namespace YooAsset
         /// <summary>
         /// 验证结果
         /// </summary>
-        public EFileVerifyResult VerifyResult { protected set; get; }
+        public EFileVerifyResult VerifyResult { private set; get; }
 
 
         internal VerifyTempFileOperation(TempFileElement element)
@@ -103,7 +84,7 @@ namespace YooAsset
         private void VerifyInThread(object obj)
         {
             TempFileElement element = (TempFileElement)obj;
-            int result = (int)FileSystemHelper.FileVerify(element.TempFilePath, element.TempFileSize, element.TempFileCRC, EFileVerifyLevel.High);
+            int result = (int)FileVerifyHelper.FileVerify(element.TempFilePath, element.TempFileSize, element.TempFileCRC, EFileVerifyLevel.High);
             element.Result = result;
         }
     }

Assets/YooAsset/Runtime/FileSystem/CacheSystem/TempFileElement.cs

@@ -0,0 +1,22 @@
+
+namespace YooAsset
+{
+    internal class TempFileElement
+    {
+        public string TempFilePath { private set; get; }
+        public string TempFileCRC { private set; get; }
+        public long TempFileSize { private set; get; }
+
+        /// <summary>
+        /// 注意：原子操作对象
+        /// </summary>
+        public int Result = 0;
+
+        public TempFileElement(string filePath, string fileCRC, long fileSize)
+        {
+            TempFilePath = filePath;
+            TempFileCRC = fileCRC;
+            TempFileSize = fileSize;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/TempFileElement.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 220136fdc4a13d84e97b1249cfc65f3b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultBuildinFileSystem/DefaultBuildinFileSystem.cs

@@ -10,36 +10,6 @@ namespace YooAsset
     /// </summary>
     internal class DefaultBuildinFileSystem : IFileSystem
     {
-        private class UnpackRemoteServices : IRemoteServices
-        {
-            private readonly string _buildinPackageRoot;
-            protected readonly Dictionary<string, string> _mapping = new Dictionary<string, string>(10000);
-
-            public UnpackRemoteServices(string buildinPackRoot)
-            {
-                _buildinPackageRoot = buildinPackRoot;
-            }
-            string IRemoteServices.GetRemoteMainURL(string fileName)
-            {
-                return GetFileLoadURL(fileName);
-            }
-            string IRemoteServices.GetRemoteFallbackURL(string fileName)
-            {
-                return GetFileLoadURL(fileName);
-            }
-
-            private string GetFileLoadURL(string fileName)
-            {
-                if (_mapping.TryGetValue(fileName, out string url) == false)
-                {
-                    string filePath = PathUtility.Combine(_buildinPackageRoot, fileName);
-                    url = DownloadSystemHelper.ConvertToWWWPath(filePath);
-                    _mapping.Add(fileName, url);
-                }
-                return url;
-            }
-        }
-
         public class FileWrapper
         {
             public string FileName { private set; get; }
@@ -220,7 +190,7 @@ namespace YooAsset
             _packageRoot = PathUtility.Combine(rootDirectory, packageName);
 
             // 创建解压文件系统
-            var remoteServices = new UnpackRemoteServices(_packageRoot);
+            var remoteServices = new DefaultUnpackRemoteServices(_packageRoot);
             _unpackFileSystem = new DefaultUnpackFileSystem();
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.REMOTE_SERVICES, remoteServices);
             _unpackFileSystem.SetParameter(FileSystemParametersDefine.FILE_VERIFY_LEVEL, FileVerifyLevel);
@@ -231,6 +201,7 @@ namespace YooAsset
         }
         public virtual void OnUpdate()
         {
+            _unpackFileSystem.OnUpdate();
         }
 
         public virtual bool Belong(PackageBundle bundle)

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs

@@ -10,33 +10,18 @@ namespace YooAsset
     /// 缓存文件系统
     /// 说明：正在进行的下载器会在ResourcePackage销毁的时候执行Abort操作！
     /// </summary>
-    internal class DefaultCacheFileSystem : IFileSystem
+    internal class DefaultCacheFileSystem : IFileSystem, ICacheSystem
     {
-        public class FileWrapper
-        {
-            public string InfoFilePath { private set; get; }
-            public string DataFilePath { private set; get; }
-            public string DataFileCRC { private set; get; }
-            public long DataFileSize { private set; get; }
-
-            public FileWrapper(string infoFilePath, string dataFilePath, string dataFileCRC, long dataFileSize)
-            {
-                InfoFilePath = infoFilePath;
-                DataFilePath = dataFilePath;
-                DataFileCRC = dataFileCRC;
-                DataFileSize = dataFileSize;
-            }
-        }
-
-        protected readonly Dictionary<string, DefaultDownloadFileOperation> _downloaders = new Dictionary<string, DefaultDownloadFileOperation>(1000);
-        protected readonly Dictionary<string, FileWrapper> _wrappers = new Dictionary<string, FileWrapper>(10000);
+        protected readonly Dictionary<string, CacheWrapper> _wrappers = new Dictionary<string, CacheWrapper>(10000);
         protected readonly Dictionary<string, Stream> _loadedStream = new Dictionary<string, Stream>(10000);
         protected readonly Dictionary<string, string> _dataFilePaths = new Dictionary<string, string>(10000);
         protected readonly Dictionary<string, string> _infoFilePaths = new Dictionary<string, string>(10000);
         protected readonly Dictionary<string, string> _tempFilePaths = new Dictionary<string, string>(10000);
+        protected readonly Dictionary<string, DefaultDownloadFileOperation> _downloaders = new Dictionary<string, DefaultDownloadFileOperation>(1000);
         protected readonly List<string> _removeList = new List<string>(1000);
+
         protected string _packageRoot;
-        protected string _saveFileRoot;
+        protected string _cacheFileRoot;
         protected string _tempFileRoot;
         protected string _manifestFileRoot;
 
@@ -128,13 +113,13 @@ namespace YooAsset
         }
         public virtual FSClearAllBundleFilesOperation ClearAllBundleFilesAsync()
         {
-            var operation = new DCFSClearAllBundleFilesOperation(this);
+            var operation = new ClearAllCacheFilesOperation(this);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
         public virtual FSClearUnusedBundleFilesOperation ClearUnusedBundleFilesAsync(PackageManifest manifest)
         {
-            var operation = new DCFSClearUnusedBundleFilesOperation(this, manifest);
+            var operation = new ClearUnusedCacheFilesOperation(this, manifest);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
@@ -163,7 +148,7 @@ namespace YooAsset
 
                 if (bundle.FileSize >= ResumeDownloadMinimumSize)
                 {
-                    var newDownloader = new DCFSDownloadResumeFileOperation(this, bundle, param);
+                    var newDownloader = new DownloadResumeFileOperation(this, this, bundle, param, ResumeDownloadResponseCodes);
                     newDownloader.Reference();
                     _downloaders.Add(bundle.BundleGUID, newDownloader);
                     OperationSystem.StartOperation(PackageName, newDownloader);
@@ -171,7 +156,7 @@ namespace YooAsset
                 }
                 else
                 {
-                    var newDownloader = new DCFSDownloadNormalFileOperation(this, bundle, param);
+                    var newDownloader = new DownloadNormalFileOperation(this, this, bundle, param);
                     newDownloader.Reference();
                     _downloaders.Add(bundle.BundleGUID, newDownloader);
                     OperationSystem.StartOperation(PackageName, newDownloader);
@@ -254,10 +239,10 @@ namespace YooAsset
             PackageName = packageName;
 
             if (string.IsNullOrEmpty(rootDirectory))
-                rootDirectory = GetDefaultRoot();
+                rootDirectory = CacheHelper.GetDefaultCacheRoot();
 
             _packageRoot = PathUtility.Combine(rootDirectory, packageName);
-            _saveFileRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.SaveFilesFolderName);
+            _cacheFileRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.SaveFilesFolderName);
             _tempFileRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.TempFilesFolderName);
             _manifestFileRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.ManifestFilesFolderName);
         }
@@ -372,61 +357,10 @@ namespace YooAsset
             }
         }
 
-        #region 内部方法
-        private readonly BufferWriter _sharedBuffer = new BufferWriter(1024);
-        public void WriteInfoFile(string filePath, string dataFileCRC, long dataFileSize)
+        #region 缓存系统
+        public string GetCacheFileRoot()
         {
-            using (FileStream fs = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.Read))
-            {
-                _sharedBuffer.Clear();
-                _sharedBuffer.WriteUTF8(dataFileCRC);
-                _sharedBuffer.WriteInt64(dataFileSize);
-                _sharedBuffer.WriteToStream(fs);
-                fs.Flush();
-            }
-        }
-        public void ReadInfoFile(string filePath, out string dataFileCRC, out long dataFileSize)
-        {
-            byte[] binaryData = FileUtility.ReadAllBytes(filePath);
-            BufferReader buffer = new BufferReader(binaryData);
-            dataFileCRC = buffer.ReadUTF8();
-            dataFileSize = buffer.ReadInt64();
-        }
-
-        protected string GetDefaultRoot()
-        {
-#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, YooAssetSettingsData.Setting.DefaultYooFolderName);
-#elif UNITY_STANDALONE
-            return PathUtility.Combine(UnityEngine.Application.dataPath, YooAssetSettingsData.Setting.DefaultYooFolderName);
-#else
-            return PathUtility.Combine(UnityEngine.Application.persistentDataPath, YooAssetSettingsData.Setting.DefaultYooFolderName);	
-#endif
-        }
-        protected string GetDataFilePath(PackageBundle bundle)
-        {
-            if (_dataFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
-            {
-                string folderName = bundle.FileHash.Substring(0, 2);
-                filePath = PathUtility.Combine(_saveFileRoot, folderName, bundle.BundleGUID, DefaultCacheFileSystemDefine.SaveBundleDataFileName);
-                if (AppendFileExtension)
-                    filePath += bundle.FileExtension;
-                _dataFilePaths.Add(bundle.BundleGUID, filePath);
-            }
-            return filePath;
-        }
-        protected string GetInfoFilePath(PackageBundle bundle)
-        {
-            if (_infoFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
-            {
-                string folderName = bundle.FileHash.Substring(0, 2);
-                filePath = PathUtility.Combine(_saveFileRoot, folderName, bundle.BundleGUID, DefaultCacheFileSystemDefine.SaveBundleInfoFileName);
-                _infoFilePaths.Add(bundle.BundleGUID, filePath);
-            }
-            return filePath;
+            return _cacheFileRoot;
         }
         public string GetTempFilePath(PackageBundle bundle)
         {
@@ -437,41 +371,38 @@ namespace YooAsset
             }
             return filePath;
         }
-        public string GetCacheFileLoadPath(PackageBundle bundle)
+        public string GetDataFilePath(PackageBundle bundle)
         {
-            return GetDataFilePath(bundle);
+            if (_dataFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
+            {
+                string folderName = bundle.FileHash.Substring(0, 2);
+                filePath = PathUtility.Combine(_cacheFileRoot, folderName, bundle.BundleGUID, DefaultCacheFileSystemDefine.SaveBundleDataFileName);
+                if (AppendFileExtension)
+                    filePath += bundle.FileExtension;
+                _dataFilePaths.Add(bundle.BundleGUID, filePath);
+            }
+            return filePath;
         }
-        public string GetCacheFilesRoot()
+        public string GetInfoFilePath(PackageBundle bundle)
         {
-            return _saveFileRoot;
+            if (_infoFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
+            {
+                string folderName = bundle.FileHash.Substring(0, 2);
+                filePath = PathUtility.Combine(_cacheFileRoot, folderName, bundle.BundleGUID, DefaultCacheFileSystemDefine.SaveBundleInfoFileName);
+                _infoFilePaths.Add(bundle.BundleGUID, filePath);
+            }
+            return filePath;
         }
-        public string GetCachePackageHashFilePath(string packageVersion)
+        public List<string> GetAllCachedBundleGUIDs()
         {
-            string fileName = YooAssetSettingsData.GetPackageHashFileName(PackageName, packageVersion);
-            return PathUtility.Combine(_manifestFileRoot, fileName);
-        }
-        public string GetCachePackageManifestFilePath(string packageVersion)
-        {
-            string fileName = YooAssetSettingsData.GetManifestBinaryFileName(PackageName, packageVersion);
-            return PathUtility.Combine(_manifestFileRoot, fileName);
-        }
-        public string GetSandboxAppFootPrintFilePath()
-        {
-            return PathUtility.Combine(_manifestFileRoot, DefaultCacheFileSystemDefine.AppFootPrintFileName);
+            return _wrappers.Keys.ToList();
         }
 
-        /// <summary>
-        /// 是否已经记录了文件
-        /// </summary>
         public bool IsRecordFile(string bundleGUID)
         {
             return _wrappers.ContainsKey(bundleGUID);
         }
-
-        /// <summary>
-        /// 记录文件信息
-        /// </summary>
-        public bool RecordFile(string bundleGUID, FileWrapper wrapper)
+        public bool RecordFile(string bundleGUID, CacheWrapper wrapper)
         {
             if (_wrappers.ContainsKey(bundleGUID))
             {
@@ -483,21 +414,14 @@ namespace YooAsset
             return true;
         }
 
-        /// <summary>
-        /// 验证缓存文件
-        /// </summary>
         public EFileVerifyResult VerifyCacheFile(PackageBundle bundle)
         {
-            if (_wrappers.TryGetValue(bundle.BundleGUID, out FileWrapper wrapper) == false)
+            if (_wrappers.TryGetValue(bundle.BundleGUID, out CacheWrapper wrapper) == false)
                 return EFileVerifyResult.CacheNotFound;
 
-            EFileVerifyResult result = FileSystemHelper.FileVerify(wrapper.DataFilePath, wrapper.DataFileSize, wrapper.DataFileCRC, EFileVerifyLevel.High);
+            EFileVerifyResult result = FileVerifyHelper.FileVerify(wrapper.DataFilePath, wrapper.DataFileSize, wrapper.DataFileCRC, EFileVerifyLevel.High);
             return result;
         }
-
-        /// <summary>
-        /// 写入缓存文件
-        /// </summary>
         public bool WriteCacheFile(PackageBundle bundle, string copyPath)
         {
             if (_wrappers.ContainsKey(bundle.BundleGUID))
@@ -530,16 +454,12 @@ namespace YooAsset
                 return false;
             }
 
-            FileWrapper wrapper = new FileWrapper(infoFilePath, dataFilePath, bundle.FileCRC, bundle.FileSize);
+            var wrapper = new CacheWrapper(infoFilePath, dataFilePath, bundle.FileCRC, bundle.FileSize);
             return RecordFile(bundle.BundleGUID, wrapper);
         }
-
-        /// <summary>
-        /// 删除缓存文件
-        /// </summary>
         public bool DeleteCacheFile(string bundleGUID)
         {
-            if (_wrappers.TryGetValue(bundleGUID, out FileWrapper wrapper))
+            if (_wrappers.TryGetValue(bundleGUID, out CacheWrapper wrapper))
             {
                 try
                 {
@@ -562,6 +482,47 @@ namespace YooAsset
             }
         }
 
+        private readonly BufferWriter _sharedBuffer = new BufferWriter(1024);
+        public void WriteInfoFile(string filePath, string dataFileCRC, long dataFileSize)
+        {
+            using (FileStream fs = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.Read))
+            {
+                _sharedBuffer.Clear();
+                _sharedBuffer.WriteUTF8(dataFileCRC);
+                _sharedBuffer.WriteInt64(dataFileSize);
+                _sharedBuffer.WriteToStream(fs);
+                fs.Flush();
+            }
+        }
+        public void ReadInfoFile(string filePath, out string dataFileCRC, out long dataFileSize)
+        {
+            byte[] binaryData = FileUtility.ReadAllBytes(filePath);
+            BufferReader buffer = new BufferReader(binaryData);
+            dataFileCRC = buffer.ReadUTF8();
+            dataFileSize = buffer.ReadInt64();
+        }
+        #endregion
+
+        #region 内部方法
+        public string GetCacheFileLoadPath(PackageBundle bundle)
+        {
+            return GetDataFilePath(bundle);
+        }
+        public string GetCachePackageHashFilePath(string packageVersion)
+        {
+            string fileName = YooAssetSettingsData.GetPackageHashFileName(PackageName, packageVersion);
+            return PathUtility.Combine(_manifestFileRoot, fileName);
+        }
+        public string GetCachePackageManifestFilePath(string packageVersion)
+        {
+            string fileName = YooAssetSettingsData.GetManifestBinaryFileName(PackageName, packageVersion);
+            return PathUtility.Combine(_manifestFileRoot, fileName);
+        }
+        public string GetSandboxAppFootPrintFilePath()
+        {
+            return PathUtility.Combine(_manifestFileRoot, DefaultCacheFileSystemDefine.AppFootPrintFileName);
+        }
+
         /// <summary>
         /// 删除所有清单文件
         /// </summary>
@@ -573,14 +534,6 @@ namespace YooAsset
             }
         }
 
-        /// <summary>
-        /// 获取所有缓存文件GUID
-        /// </summary>
-        public List<string> GetAllCachedBundleGUIDs()
-        {
-            return _wrappers.Keys.ToList();
-        }
-
         /// <summary>
         /// 加载加密资源文件
         /// </summary>

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSInitializeOperation.cs

@@ -12,7 +12,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultCacheFileSystem _fileSytem;
+        private readonly DefaultCacheFileSystem _fileSystem;
         private SearchCacheFilesOperation _searchCacheFilesOp;
         private VerifyCacheFilesOperation _verifyCacheFilesOp;
         private ESteps _steps = ESteps.None;
@@ -20,7 +20,7 @@ namespace YooAsset
 
         internal DCFSInitializeOperation(DefaultCacheFileSystem fileSystem)
         {
-            _fileSytem = fileSystem;
+            _fileSystem = fileSystem;
         }
         internal override void InternalOnStart()
         {
@@ -39,14 +39,14 @@ namespace YooAsset
 
             if (_steps == ESteps.CheckAppFootPrint)
             {
-                var appFootPrint = new ApplicationFootPrint(_fileSytem);
-                appFootPrint.Load(_fileSytem.PackageName);
+                var appFootPrint = new ApplicationFootPrint(_fileSystem);
+                appFootPrint.Load(_fileSystem.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())
                 {
-                    _fileSytem.DeleteAllManifestFiles();
-                    appFootPrint.Coverage(_fileSytem.PackageName);
+                    _fileSystem.DeleteAllManifestFiles();
+                    appFootPrint.Coverage(_fileSystem.PackageName);
                     YooLogger.Warning("Delete manifest files when application foot print dirty !");
                 }
 
@@ -57,8 +57,8 @@ namespace YooAsset
             {
                 if (_searchCacheFilesOp == null)
                 {
-                    _searchCacheFilesOp = new SearchCacheFilesOperation(_fileSytem);
-                    OperationSystem.StartOperation(_fileSytem.PackageName, _searchCacheFilesOp);
+                    _searchCacheFilesOp = new SearchCacheFilesOperation(_fileSystem, _fileSystem.PackageName, _fileSystem.AppendFileExtension);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _searchCacheFilesOp);
                 }
 
                 Progress = _searchCacheFilesOp.Progress;
@@ -72,8 +72,8 @@ namespace YooAsset
             {
                 if (_verifyCacheFilesOp == null)
                 {
-                    _verifyCacheFilesOp = new VerifyCacheFilesOperation(_fileSytem, _searchCacheFilesOp.Result);
-                    OperationSystem.StartOperation(_fileSytem.PackageName, _verifyCacheFilesOp);
+                    _verifyCacheFilesOp = new VerifyCacheFilesOperation(_fileSystem, _fileSystem.FileVerifyLevel, _searchCacheFilesOp.Result);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _verifyCacheFilesOp);
                 }
 
                 Progress = _verifyCacheFilesOp.Progress;
@@ -84,7 +84,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Succeed;
-                    YooLogger.Log($"Package '{_fileSytem.PackageName}' cached files count : {_fileSytem.FileCount}");
+                    YooLogger.Log($"Package '{_fileSystem.PackageName}' cached files count : {_fileSystem.FileCount}");
                 }
                 else
                 {

Assets/YooAsset/Runtime/FileSystem/DefaultEditorFileSystem/DefaultEditorFileSystem.cs

@@ -36,6 +36,17 @@ namespace YooAsset
             }
         }
 
+        #region 自定义参数
+        /// <summary>
+        /// 异步模拟加载最小帧数
+        /// </summary>
+        public int _asyncSimulateMinFrame = 1;
+
+        /// <summary>
+        /// 异步模拟加载最大帧数
+        /// </summary>
+        public int _asyncSimulateMaxFrame = 1;
+        #endregion
 
         public DefaultEditorFileSystem()
         {
@@ -86,7 +97,18 @@ namespace YooAsset
 
         public virtual void SetParameter(string name, object value)
         {
-            YooLogger.Warning($"Invalid parameter : {name}");
+            if (name == FileSystemParametersDefine.ASYNC_SIMULATE_MIN_FRAME)
+            {
+                _asyncSimulateMinFrame = (int)value;
+            }
+            else if (name == FileSystemParametersDefine.ASYNC_SIMULATE_MAX_FRAME)
+            {
+                _asyncSimulateMaxFrame = (int)value;
+            }
+            else
+            {
+                YooLogger.Warning($"Invalid parameter : {name}");
+            }
         }
         public virtual void OnCreate(string packageName, string rootDirectory)
         {
@@ -148,6 +170,15 @@ namespace YooAsset
             string fileName = YooAssetSettingsData.GetManifestBinaryFileName(PackageName, packageVersion);
             return PathUtility.Combine(FileRoot, fileName);
         }
+        public int GetAsyncSimulateFrame()
+        {
+            if (_asyncSimulateMinFrame > _asyncSimulateMaxFrame)
+            {
+                _asyncSimulateMinFrame = _asyncSimulateMaxFrame;
+            }
+
+            return UnityEngine.Random.Range(_asyncSimulateMinFrame, _asyncSimulateMaxFrame + 1);
+        }
         #endregion
     }
 }

Assets/YooAsset/Runtime/FileSystem/DefaultEditorFileSystem/Operation/DEFSLoadBundleOperation.cs

@@ -3,8 +3,19 @@ namespace YooAsset
 {
     internal class DEFSLoadBundleOperation : FSLoadBundleOperation
     {
+        protected enum ESteps
+        {
+            None,
+            DownloadFile,
+            LoadAssetBundle,
+            CheckResult,
+            Done,
+        }
+
         private readonly DefaultEditorFileSystem _fileSystem;
         private readonly PackageBundle _bundle;
+        private int _asyncSimulateFrame;
+        private ESteps _steps = ESteps.None;
 
         internal DEFSLoadBundleOperation(DefaultEditorFileSystem fileSystem, PackageBundle bundle)
         {
@@ -13,16 +24,53 @@ namespace YooAsset
         }
         internal override void InternalOnStart()
         {
-            DownloadProgress = 1f;
-            DownloadedBytes = _bundle.FileSize;
-            Status = EOperationStatus.Succeed;
-            Result = new VirtualBundle(_fileSystem, _bundle);
+            _steps = ESteps.DownloadFile;
         }
         internal override void InternalOnUpdate()
         {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.DownloadFile)
+            {
+                _asyncSimulateFrame = _fileSystem.GetAsyncSimulateFrame();
+                DownloadProgress = 1f;
+                DownloadedBytes = _bundle.FileSize;
+                _steps = ESteps.LoadAssetBundle;
+            }
+
+            if (_steps == ESteps.LoadAssetBundle)
+            {
+                if (IsWaitForAsyncComplete)
+                {
+                    _steps = ESteps.CheckResult;
+                }
+                else
+                {
+                    if (_asyncSimulateFrame <= 0)
+                        _steps = ESteps.CheckResult;
+                    else
+                        _asyncSimulateFrame--;
+                }
+            }
+
+            if (_steps == ESteps.CheckResult)
+            {
+                _steps = ESteps.Done;
+                Result = new VirtualBundle(_fileSystem, _bundle);
+                Status = EOperationStatus.Succeed;
+            }
         }
         internal override void InternalWaitForAsyncComplete()
         {
+            while (true)
+            {
+                if (ExecuteWhileDone())
+                {
+                    _steps = ESteps.Done;
+                    break;
+                }
+            }
         }
         public override void AbortDownloadOperation()
         {

Assets/YooAsset/Runtime/FileSystem/DefaultUnpackFileSystem/DefaultUnpackFileSystem.cs

@@ -14,7 +14,7 @@ namespace YooAsset
             base.OnCreate(packageName, rootDirectory);
 
             // 注意：重写保存根目录和临时目录
-            _saveFileRoot = PathUtility.Combine(_packageRoot, DefaultUnpackFileSystemDefine.SaveFilesFolderName);
+            _cacheFileRoot = PathUtility.Combine(_packageRoot, DefaultUnpackFileSystemDefine.SaveFilesFolderName);
             _tempFileRoot = PathUtility.Combine(_packageRoot, DefaultUnpackFileSystemDefine.TempFilesFolderName);
         }
     }

Assets/YooAsset/Runtime/FileSystem/DefaultUnpackFileSystem/DefaultUnpackRemoteServices.cs

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+    internal class DefaultUnpackRemoteServices : IRemoteServices
+    {
+        private readonly string _buildinPackageRoot;
+        protected readonly Dictionary<string, string> _mapping = new Dictionary<string, string>(10000);
+
+        public DefaultUnpackRemoteServices(string buildinPackRoot)
+        {
+            _buildinPackageRoot = buildinPackRoot;
+        }
+        string IRemoteServices.GetRemoteMainURL(string fileName)
+        {
+            return GetFileLoadURL(fileName);
+        }
+        string IRemoteServices.GetRemoteFallbackURL(string fileName)
+        {
+            return GetFileLoadURL(fileName);
+        }
+
+        private string GetFileLoadURL(string fileName)
+        {
+            if (_mapping.TryGetValue(fileName, out string url) == false)
+            {
+                string filePath = PathUtility.Combine(_buildinPackageRoot, fileName);
+                url = DownloadSystemHelper.ConvertToWWWPath(filePath);
+                _mapping.Add(fileName, url);
+            }
+            return url;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultUnpackFileSystem/DefaultUnpackRemoteServices.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 32c355598c9dff847af87f4a867a2d5c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 2bf1355f3cbe3d543b53bd9553bba02c
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/DefaultWebRemoteFileSystem.cs

@@ -0,0 +1,162 @@
+using System;
+using System.IO;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace YooAsset
+{
+    /// <summary>
+    /// Web文件系统
+    /// </summary>
+    internal class DefaultWebRemoteFileSystem : IFileSystem
+    {
+        /// <summary>
+        /// 包裹名称
+        /// </summary>
+        public string PackageName { private set; get; }
+
+        /// <summary>
+        /// 文件根目录
+        /// </summary>
+        public string FileRoot
+        {
+            get
+            {
+                return string.Empty;
+            }
+        }
+
+        /// <summary>
+        /// 文件数量
+        /// </summary>
+        public int FileCount
+        {
+            get
+            {
+                return 0;
+            }
+        }
+
+        #region 自定义参数
+        /// <summary>
+        /// 禁用Unity的网络缓存
+        /// </summary>
+        public bool DisableUnityWebCache { private set; get; } = false;
+
+        /// <summary>
+        /// 自定义参数：跨域下载服务接口
+        /// </summary>
+        public IRemoteServices RemoteServices { private set; get; } = null;
+        #endregion
+
+
+        public DefaultWebRemoteFileSystem()
+        {
+        }
+        public virtual FSInitializeFileSystemOperation InitializeFileSystemAsync()
+        {
+            var operation = new DWRFSInitializeOperation(this);
+            OperationSystem.StartOperation(PackageName, operation);
+            return operation;
+        }
+        public virtual FSLoadPackageManifestOperation LoadPackageManifestAsync(string packageVersion, int timeout)
+        {
+            var operation = new DWRFSLoadPackageManifestOperation(this, packageVersion, timeout);
+            OperationSystem.StartOperation(PackageName, operation);
+            return operation;
+        }
+        public virtual FSRequestPackageVersionOperation RequestPackageVersionAsync(bool appendTimeTicks, int timeout)
+        {
+            var operation = new DWRFSRequestPackageVersionOperation(this, appendTimeTicks, timeout);
+            OperationSystem.StartOperation(PackageName, operation);
+            return operation;
+        }
+        public virtual FSClearAllBundleFilesOperation ClearAllBundleFilesAsync()
+        {
+            var operation = new FSClearAllBundleFilesCompleteOperation();
+            OperationSystem.StartOperation(PackageName, operation);
+            return operation;
+        }
+        public virtual FSClearUnusedBundleFilesOperation ClearUnusedBundleFilesAsync(PackageManifest manifest)
+        {
+            var operation = new FSClearUnusedBundleFilesCompleteOperation();
+            OperationSystem.StartOperation(PackageName, operation);
+            return operation;
+        }
+        public virtual FSDownloadFileOperation DownloadFileAsync(PackageBundle bundle, DownloadParam param)
+        {
+            throw new System.NotImplementedException();
+        }
+        public virtual FSLoadBundleOperation LoadBundleFile(PackageBundle bundle)
+        {
+            var operation = new DWRFSLoadAssetBundleOperation(this, bundle);
+            OperationSystem.StartOperation(PackageName, operation);
+            return operation;
+        }
+        public virtual void UnloadBundleFile(PackageBundle bundle, object result)
+        {
+            AssetBundle assetBundle = result as AssetBundle;
+            if (assetBundle == null)
+                return;
+
+            if (assetBundle != null)
+                assetBundle.Unload(true);
+        }
+
+        public virtual void SetParameter(string name, object value)
+        {
+            if (name == FileSystemParametersDefine.DISABLE_UNITY_WEB_CACHE)
+            {
+                DisableUnityWebCache = (bool)value;
+            }
+            else if (name == FileSystemParametersDefine.REMOTE_SERVICES)
+            {
+                RemoteServices = (IRemoteServices)value;
+            }
+            else
+            {
+                YooLogger.Warning($"Invalid parameter : {name}");
+            }
+        }
+        public virtual void OnCreate(string packageName, string rootDirectory)
+        {
+            PackageName = packageName;
+        }
+        public virtual void OnUpdate()
+        {
+        }
+
+        public virtual bool Belong(PackageBundle bundle)
+        {
+            return true;
+        }
+        public virtual bool Exists(PackageBundle bundle)
+        {
+            return true;
+        }
+        public virtual bool NeedDownload(PackageBundle bundle)
+        {
+            return false;
+        }
+        public virtual bool NeedUnpack(PackageBundle bundle)
+        {
+            return false;
+        }
+        public virtual bool NeedImport(PackageBundle bundle)
+        {
+            return false;
+        }
+
+        public virtual byte[] ReadFileData(PackageBundle bundle)
+        {
+            throw new System.NotImplementedException();
+        }
+        public virtual string ReadFileText(PackageBundle bundle)
+        {
+            throw new System.NotImplementedException();
+        }
+
+        #region 内部方法
+        #endregion
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/DefaultWebRemoteFileSystem.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f511714bfc7c1104aa6200ee0826e9e3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 1086ea45b8b84fe43ba1ef69b4f813dc
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSInitializeOperation.cs

@@ -0,0 +1,20 @@
+
+namespace YooAsset
+{
+    internal class DWRFSInitializeOperation : FSInitializeFileSystemOperation
+    {
+        private readonly DefaultWebRemoteFileSystem _fileSystem;
+
+        public DWRFSInitializeOperation(DefaultWebRemoteFileSystem fileSystem)
+        {
+            _fileSystem = fileSystem;
+        }
+        internal override void InternalOnStart()
+        {
+            Status = EOperationStatus.Succeed;
+        }
+        internal override void InternalOnUpdate()
+        {
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSInitializeOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f30b92e4f3b9e594ca0481128b56cc21
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSLoadBundleOperation.cs

@@ -0,0 +1,83 @@
+
+namespace YooAsset
+{
+    internal class DWRFSLoadAssetBundleOperation : FSLoadBundleOperation
+    {
+        private enum ESteps
+        {
+            None,
+            DownloadFile,
+            Done,
+        }
+
+        private readonly DefaultWebRemoteFileSystem _fileSystem;
+        private readonly PackageBundle _bundle;
+        private DownloadHandlerAssetBundleOperation _downloadhanlderAssetBundleOp;
+        private ESteps _steps = ESteps.None;
+
+
+        internal DWRFSLoadAssetBundleOperation(DefaultWebRemoteFileSystem fileSystem, PackageBundle bundle)
+        {
+            _fileSystem = fileSystem;
+            _bundle = bundle;
+        }
+        internal override void InternalOnStart()
+        {
+            _steps = ESteps.DownloadFile;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.DownloadFile)
+            {
+                if (_downloadhanlderAssetBundleOp == null)
+                {
+                    DownloadParam downloadParam = new DownloadParam(int.MaxValue, 60);
+                    downloadParam.MainURL = _fileSystem.RemoteServices.GetRemoteMainURL(_bundle.FileName);
+                    downloadParam.FallbackURL = _fileSystem.RemoteServices.GetRemoteFallbackURL(_bundle.FileName);
+                    _downloadhanlderAssetBundleOp = new DownloadHandlerAssetBundleOperation(_fileSystem.DisableUnityWebCache, _bundle, downloadParam);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _downloadhanlderAssetBundleOp);
+                }
+
+                DownloadProgress = _downloadhanlderAssetBundleOp.DownloadProgress;
+                DownloadedBytes = _downloadhanlderAssetBundleOp.DownloadedBytes;
+                Progress = _downloadhanlderAssetBundleOp.Progress;
+                if (_downloadhanlderAssetBundleOp.IsDone == false)
+                    return;
+
+                if (_downloadhanlderAssetBundleOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.Done;
+                    Result = _downloadhanlderAssetBundleOp.Result;
+                    Status = EOperationStatus.Succeed;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _downloadhanlderAssetBundleOp.Error;
+                }
+            }
+        }
+        internal override void InternalWaitForAsyncComplete()
+        {
+            if (_steps != ESteps.Done)
+            {
+                _steps = ESteps.Done;
+                Status = EOperationStatus.Failed;
+                Error = "WebGL platform not support sync load method !";
+                UnityEngine.Debug.LogError(Error);
+            }
+        }
+        public override void AbortDownloadOperation()
+        {
+            if (_steps == ESteps.DownloadFile)
+            {
+                if (_downloadhanlderAssetBundleOp != null)
+                    _downloadhanlderAssetBundleOp.SetAbort();
+            }
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSLoadBundleOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 270b776fd379b0f45bc602c845720733
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSLoadPackageManifestOperation.cs

@@ -1,68 +1,44 @@
 
 namespace YooAsset
 {
-    internal class DWFSLoadPackageManifestOperation : FSLoadPackageManifestOperation
+    internal class DWRFSLoadPackageManifestOperation : FSLoadPackageManifestOperation
     {
         private enum ESteps
         {
             None,
-            RequestWebPackageVersion,
             RequestWebPackageHash,
             LoadWebPackageManifest,
             Done,
         }
 
-        private readonly DefaultWebFileSystem _fileSystem;
+        private readonly DefaultWebRemoteFileSystem _fileSystem;
+        private readonly string _packageVersion;
         private readonly int _timeout;
-        private RequestWebPackageVersionOperation _requestWebPackageVersionOp;
-        private RequestWebPackageHashOperation _requestWebPackageHashOp;
-        private LoadWebPackageManifestOperation _loadWebPackageManifestOp;
+        private RequestWebRemotePackageHashOperation _requestWebPackageHashOp;
+        private LoadWebRemotePackageManifestOperation _loadWebPackageManifestOp;
         private ESteps _steps = ESteps.None;
 
 
-        public DWFSLoadPackageManifestOperation(DefaultWebFileSystem fileSystem, int timeout)
+        public DWRFSLoadPackageManifestOperation(DefaultWebRemoteFileSystem fileSystem, string packageVersion, int timeout)
         {
             _fileSystem = fileSystem;
+            _packageVersion = packageVersion;
             _timeout = timeout;
         }
         internal override void InternalOnStart()
         {
-            _steps = ESteps.RequestWebPackageVersion;
+            _steps = ESteps.RequestWebPackageHash;
         }
         internal override void InternalOnUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.RequestWebPackageVersion)
-            {
-                if (_requestWebPackageVersionOp == null)
-                {
-                    _requestWebPackageVersionOp = new RequestWebPackageVersionOperation(_fileSystem, _timeout);
-                    OperationSystem.StartOperation(_fileSystem.PackageName, _requestWebPackageVersionOp);
-                }
-
-                if (_requestWebPackageVersionOp.IsDone == false)
-                    return;
-
-                if (_requestWebPackageVersionOp.Status == EOperationStatus.Succeed)
-                {
-                    _steps = ESteps.RequestWebPackageHash;
-                }
-                else
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = _requestWebPackageVersionOp.Error;
-                }
-            }
-
             if (_steps == ESteps.RequestWebPackageHash)
             {
                 if (_requestWebPackageHashOp == null)
                 {
-                    string packageVersion = _requestWebPackageVersionOp.PackageVersion;
-                    _requestWebPackageHashOp = new RequestWebPackageHashOperation(_fileSystem, packageVersion, _timeout);
+                    _requestWebPackageHashOp = new RequestWebRemotePackageHashOperation(_fileSystem, _packageVersion, _timeout);
                     OperationSystem.StartOperation(_fileSystem.PackageName, _requestWebPackageHashOp);
                 }
 
@@ -85,9 +61,8 @@ namespace YooAsset
             {
                 if (_loadWebPackageManifestOp == null)
                 {
-                    string packageVersion = _requestWebPackageVersionOp.PackageVersion;
                     string packageHash = _requestWebPackageHashOp.PackageHash;
-                    _loadWebPackageManifestOp = new LoadWebPackageManifestOperation(_fileSystem, packageVersion, packageHash);
+                    _loadWebPackageManifestOp = new LoadWebRemotePackageManifestOperation(_fileSystem, _packageVersion, packageHash);
                     OperationSystem.StartOperation(_fileSystem.PackageName, _loadWebPackageManifestOp);
                 }
 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSLoadPackageManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2611f6fbc97de1a4d9a38116045d4faf
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSRequestPackageVersionOperation.cs

@@ -0,0 +1,62 @@
+
+namespace YooAsset
+{
+    internal class DWRFSRequestPackageVersionOperation : FSRequestPackageVersionOperation
+    {
+        private enum ESteps
+        {
+            None,
+            RequestPackageVersion,
+            Done,
+        }
+
+        private readonly DefaultWebRemoteFileSystem _fileSystem;
+        private readonly bool _appendTimeTicks;
+        private readonly int _timeout;
+        private RequestWebRemotePackageVersionOperation _requestWebPackageVersionOp;
+        private ESteps _steps = ESteps.None;
+
+
+        internal DWRFSRequestPackageVersionOperation(DefaultWebRemoteFileSystem fileSystem, bool appendTimeTicks, int timeout)
+        {
+            _fileSystem = fileSystem;
+            _appendTimeTicks = appendTimeTicks;
+            _timeout = timeout;
+        }
+        internal override void InternalOnStart()
+        {
+            _steps = ESteps.RequestPackageVersion;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.RequestPackageVersion)
+            {
+                if (_requestWebPackageVersionOp == null)
+                {
+                    _requestWebPackageVersionOp = new RequestWebRemotePackageVersionOperation(_fileSystem, _appendTimeTicks, _timeout);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _requestWebPackageVersionOp);
+                }
+
+                Progress = _requestWebPackageVersionOp.Progress;
+                if (_requestWebPackageVersionOp.IsDone == false)
+                    return;
+
+                if (_requestWebPackageVersionOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.Done;
+                    PackageVersion = _requestWebPackageVersionOp.PackageVersion;
+                    Status = EOperationStatus.Succeed;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _requestWebPackageVersionOp.Error;
+                }
+            }
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/DWRFSRequestPackageVersionOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: d1c5335974b2432458ed902e20cc954e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/internal.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 9be3163f53935514d9e64e09686db957
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/internal/LoadWebRemotePackageManifestOperation.cs

@@ -0,0 +1,122 @@
+
+namespace YooAsset
+{
+    internal class LoadWebRemotePackageManifestOperation : AsyncOperationBase
+    {
+        private enum ESteps
+        {
+            None,
+            RequestFileData,
+            VerifyFileData,
+            LoadManifest,
+            Done,
+        }
+
+        private readonly DefaultWebRemoteFileSystem _fileSystem;
+        private readonly string _packageVersion;
+        private readonly string _packageHash;
+        private UnityWebDataRequestOperation _webDataRequestOp;
+        private DeserializeManifestOperation _deserializer;
+        private int _requestCount = 0;
+        private ESteps _steps = ESteps.None;
+
+        /// <summary>
+        /// 包裹清单
+        /// </summary>
+        public PackageManifest Manifest { private set; get; }
+
+
+        internal LoadWebRemotePackageManifestOperation(DefaultWebRemoteFileSystem fileSystem, string packageVersion, string packageHash)
+        {
+            _fileSystem = fileSystem;
+            _packageVersion = packageVersion;
+            _packageHash = packageHash;
+        }
+        internal override void InternalOnStart()
+        {
+            _requestCount = WebRequestCounter.GetRequestFailedCount(_fileSystem.PackageName, nameof(LoadWebRemotePackageManifestOperation));
+            _steps = ESteps.RequestFileData;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.RequestFileData)
+            {
+                if (_webDataRequestOp == null)
+                {
+                    string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_fileSystem.PackageName, _packageVersion);
+                    string url = GetWebRequestURL(fileName);
+                    _webDataRequestOp = new UnityWebDataRequestOperation(url);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _webDataRequestOp);
+                }
+
+                if (_webDataRequestOp.IsDone == false)
+                    return;
+
+                if (_webDataRequestOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.VerifyFileData;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _webDataRequestOp.Error;
+                    WebRequestCounter.RecordRequestFailed(_fileSystem.PackageName, nameof(LoadWebRemotePackageManifestOperation));
+                }
+            }
+
+            if (_steps == ESteps.VerifyFileData)
+            {
+                string fileHash = HashUtility.BytesMD5(_webDataRequestOp.Result);
+                if (fileHash == _packageHash)
+                {
+                    _steps = ESteps.LoadManifest;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = "Failed to verify web remote package manifest file!";
+                }
+            }
+
+            if (_steps == ESteps.LoadManifest)
+            {
+                if (_deserializer == null)
+                {
+                    _deserializer = new DeserializeManifestOperation(_webDataRequestOp.Result);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _deserializer);
+                }
+
+                Progress = _deserializer.Progress;
+                if (_deserializer.IsDone == false)
+                    return;
+
+                if (_deserializer.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.Done;
+                    Manifest = _deserializer.Manifest;
+                    Status = EOperationStatus.Succeed;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _deserializer.Error;
+                }
+            }
+        }
+
+        private string GetWebRequestURL(string fileName)
+        {
+            // 轮流返回请求地址
+            if (_requestCount % 2 == 0)
+                return _fileSystem.RemoteServices.GetRemoteMainURL(fileName);
+            else
+                return _fileSystem.RemoteServices.GetRemoteFallbackURL(fileName);
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/internal/LoadWebRemotePackageManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8ac57bde14f2e1a4e9323751a7157ed7
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/internal/RequestWebRemotePackageHashOperation.cs

@@ -0,0 +1,90 @@
+
+namespace YooAsset
+{
+    internal class RequestWebRemotePackageHashOperation : AsyncOperationBase
+    {
+        private enum ESteps
+        {
+            None,
+            RequestPackageHash,
+            Done,
+        }
+
+        private readonly DefaultWebRemoteFileSystem _fileSystem;
+        private readonly string _packageVersion;
+        private readonly int _timeout;
+        private UnityWebTextRequestOperation _webTextRequestOp;
+        private int _requestCount = 0;
+        private ESteps _steps = ESteps.None;
+
+        /// <summary>
+        /// 包裹哈希值
+        /// </summary>
+        public string PackageHash { private set; get; }
+
+
+        public RequestWebRemotePackageHashOperation(DefaultWebRemoteFileSystem fileSystem, string packageVersion, int timeout)
+        {
+            _fileSystem = fileSystem;
+            _packageVersion = packageVersion;
+            _timeout = timeout;
+        }
+        internal override void InternalOnStart()
+        {
+            _requestCount = WebRequestCounter.GetRequestFailedCount(_fileSystem.PackageName, nameof(RequestWebRemotePackageHashOperation));
+            _steps = ESteps.RequestPackageHash;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.RequestPackageHash)
+            {
+                if (_webTextRequestOp == null)
+                {
+                    string fileName = YooAssetSettingsData.GetPackageHashFileName(_fileSystem.PackageName, _packageVersion);
+                    string url = GetWebRequestURL(fileName);
+                    _webTextRequestOp = new UnityWebTextRequestOperation(url, _timeout);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _webTextRequestOp);
+                }
+
+                Progress = _webTextRequestOp.Progress;
+                if (_webTextRequestOp.IsDone == false)
+                    return;
+
+                if (_webTextRequestOp.Status == EOperationStatus.Succeed)
+                {
+                    PackageHash = _webTextRequestOp.Result;
+                    if (string.IsNullOrEmpty(PackageHash))
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"Web remote package hash file content is empty !";
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Succeed;
+                    }
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _webTextRequestOp.Error;
+                    WebRequestCounter.RecordRequestFailed(_fileSystem.PackageName, nameof(RequestWebRemotePackageHashOperation));
+                }
+            }
+        }
+
+        private string GetWebRequestURL(string fileName)
+        {
+            // 轮流返回请求地址
+            if (_requestCount % 2 == 0)
+                return _fileSystem.RemoteServices.GetRemoteMainURL(fileName);
+            else
+                return _fileSystem.RemoteServices.GetRemoteFallbackURL(fileName);
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/internal/RequestWebRemotePackageHashOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f2a5bb0106a45e540a43a05b72a75bcd
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/internal/RequestWebRemotePackageVersionOperation.cs

@@ -0,0 +1,98 @@
+
+namespace YooAsset
+{
+    internal class RequestWebRemotePackageVersionOperation : AsyncOperationBase
+    {
+        private enum ESteps
+        {
+            None,
+            RequestPackageVersion,
+            Done,
+        }
+
+        private readonly DefaultWebRemoteFileSystem _fileSystem;
+        private readonly bool _appendTimeTicks;
+        private readonly int _timeout;
+        private UnityWebTextRequestOperation _webTextRequestOp;
+        private int _requestCount = 0;
+        private ESteps _steps = ESteps.None;
+
+        /// <summary>
+        /// 包裹版本
+        /// </summary>
+        public string PackageVersion { private set; get; }
+
+
+        internal RequestWebRemotePackageVersionOperation(DefaultWebRemoteFileSystem fileSystem, bool appendTimeTicks, int timeout)
+        {
+            _fileSystem = fileSystem;
+            _appendTimeTicks = appendTimeTicks;
+            _timeout = timeout;
+        }
+        internal override void InternalOnStart()
+        {
+            _requestCount = WebRequestCounter.GetRequestFailedCount(_fileSystem.PackageName, nameof(RequestWebRemotePackageVersionOperation));
+            _steps = ESteps.RequestPackageVersion;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.RequestPackageVersion)
+            {
+                if (_webTextRequestOp == null)
+                {
+                    string fileName = YooAssetSettingsData.GetPackageVersionFileName(_fileSystem.PackageName);
+                    string url = GetWebRequestURL(fileName);
+                    _webTextRequestOp = new UnityWebTextRequestOperation(url, _timeout);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _webTextRequestOp);
+                }
+
+                Progress = _webTextRequestOp.Progress;
+                if (_webTextRequestOp.IsDone == false)
+                    return;
+
+                if (_webTextRequestOp.Status == EOperationStatus.Succeed)
+                {
+                    PackageVersion = _webTextRequestOp.Result;
+                    if (string.IsNullOrEmpty(PackageVersion))
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"Web remote package version file content is empty !";
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Succeed;
+                    }
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _webTextRequestOp.Error;
+                    WebRequestCounter.RecordRequestFailed(_fileSystem.PackageName, nameof(RequestWebRemotePackageVersionOperation));
+                }
+            }
+        }
+
+        private string GetWebRequestURL(string fileName)
+        {
+            string url;
+
+            // 轮流返回请求地址
+            if (_requestCount % 2 == 0)
+                url = _fileSystem.RemoteServices.GetRemoteMainURL(fileName);
+            else
+                url = _fileSystem.RemoteServices.GetRemoteFallbackURL(fileName);
+
+            // 在URL末尾添加时间戳
+            if (_appendTimeTicks)
+                return $"{url}?{System.DateTime.UtcNow.Ticks}";
+            else
+                return url;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem/Operation/internal/RequestWebRemotePackageVersionOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 9a38597f546a46a429b24abd595c76e4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/DefaultWebServerFileSystem.cs

@@ -8,7 +8,7 @@ namespace YooAsset
     /// <summary>
     /// Web文件系统
     /// </summary>
-    internal class DefaultWebFileSystem : IFileSystem
+    internal class DefaultWebServerFileSystem : IFileSystem
     {
         public class FileWrapper
         {
@@ -59,24 +59,24 @@ namespace YooAsset
         #endregion
 
 
-        public DefaultWebFileSystem()
+        public DefaultWebServerFileSystem()
         {
         }
         public virtual FSInitializeFileSystemOperation InitializeFileSystemAsync()
         {
-            var operation = new DWFSInitializeOperation(this);
+            var operation = new DWSFSInitializeOperation(this);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
         public virtual FSLoadPackageManifestOperation LoadPackageManifestAsync(string packageVersion, int timeout)
         {
-            var operation = new DWFSLoadPackageManifestOperation(this, timeout);
+            var operation = new DWSFSLoadPackageManifestOperation(this, packageVersion, timeout);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
         public virtual FSRequestPackageVersionOperation RequestPackageVersionAsync(bool appendTimeTicks, int timeout)
         {
-            var operation = new DWFSRequestPackageVersionOperation(this, timeout);
+            var operation = new DWSFSRequestPackageVersionOperation(this, timeout);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
@@ -98,7 +98,7 @@ namespace YooAsset
         }
         public virtual FSLoadBundleOperation LoadBundleFile(PackageBundle bundle)
         {
-            var operation = new DWFSLoadAssetBundleOperation(this, bundle);
+            var operation = new DWSFSLoadAssetBundleOperation(this, bundle);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
@@ -214,7 +214,7 @@ namespace YooAsset
         {
             if (_wrappers.ContainsKey(bundleGUID))
             {
-                YooLogger.Error($"{nameof(DefaultWebFileSystem)} has element : {bundleGUID}");
+                YooLogger.Error($"{nameof(DefaultWebServerFileSystem)} has element : {bundleGUID}");
                 return false;
             }
 

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/DWSFSInitializeOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class DWFSInitializeOperation : FSInitializeFileSystemOperation
+    internal class DWSFSInitializeOperation : FSInitializeFileSystemOperation
     {
         private enum ESteps
         {
@@ -10,12 +10,12 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultWebFileSystem _fileSystem;
-        private LoadWebCatalogFileOperation _loadCatalogFileOp;
+        private readonly DefaultWebServerFileSystem _fileSystem;
+        private LoadWebServerCatalogFileOperation _loadCatalogFileOp;
         private ESteps _steps = ESteps.None;
 
 
-        public DWFSInitializeOperation(DefaultWebFileSystem fileSystem)
+        public DWSFSInitializeOperation(DefaultWebServerFileSystem fileSystem)
         {
             _fileSystem = fileSystem;
         }
@@ -39,7 +39,7 @@ namespace YooAsset
                     DefaultBuildinFileSystemBuild.CreateBuildinCatalogFile(_fileSystem.PackageName, packageRoot);
 #endif
 
-                    _loadCatalogFileOp = new LoadWebCatalogFileOperation(_fileSystem);
+                    _loadCatalogFileOp = new LoadWebServerCatalogFileOperation(_fileSystem);
                     OperationSystem.StartOperation(_fileSystem.PackageName, _loadCatalogFileOp);
                 }
 

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/DWSFSLoadBundleOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class DWFSLoadAssetBundleOperation : FSLoadBundleOperation
+    internal class DWSFSLoadAssetBundleOperation : FSLoadBundleOperation
     {
         private enum ESteps
         {
@@ -10,13 +10,13 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultWebFileSystem _fileSystem;
+        private readonly DefaultWebServerFileSystem _fileSystem;
         private readonly PackageBundle _bundle;
         private DownloadHandlerAssetBundleOperation _downloadhanlderAssetBundleOp;
         private ESteps _steps = ESteps.None;
 
 
-        internal DWFSLoadAssetBundleOperation(DefaultWebFileSystem fileSystem, PackageBundle bundle)
+        internal DWSFSLoadAssetBundleOperation(DefaultWebServerFileSystem fileSystem, PackageBundle bundle)
         {
             _fileSystem = fileSystem;
             _bundle = bundle;
@@ -38,7 +38,7 @@ namespace YooAsset
                     string fileLoadPath = _fileSystem.GetWebFileLoadPath(_bundle);
                     downloadParam.MainURL = DownloadSystemHelper.ConvertToWWWPath(fileLoadPath);
                     downloadParam.FallbackURL = downloadParam.MainURL;
-                    _downloadhanlderAssetBundleOp = new DownloadHandlerAssetBundleOperation(_fileSystem, _bundle, downloadParam);
+                    _downloadhanlderAssetBundleOp = new DownloadHandlerAssetBundleOperation(_fileSystem.DisableUnityWebCache, _bundle, downloadParam);
                     OperationSystem.StartOperation(_fileSystem.PackageName, _downloadhanlderAssetBundleOp);
                 }
 

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/DWSFSLoadPackageManifestOperation.cs

@@ -0,0 +1,88 @@
+
+namespace YooAsset
+{
+    internal class DWSFSLoadPackageManifestOperation : FSLoadPackageManifestOperation
+    {
+        private enum ESteps
+        {
+            None,
+            RequestWebPackageHash,
+            LoadWebPackageManifest,
+            Done,
+        }
+
+        private readonly DefaultWebServerFileSystem _fileSystem;
+        private readonly string _packageVersion;
+        private readonly int _timeout;
+        private RequestWebServerPackageHashOperation _requestWebPackageHashOp;
+        private LoadWebServerPackageManifestOperation _loadWebPackageManifestOp;
+        private ESteps _steps = ESteps.None;
+
+
+        public DWSFSLoadPackageManifestOperation(DefaultWebServerFileSystem fileSystem, string packageVersion, int timeout)
+        {
+            _fileSystem = fileSystem;
+            _packageVersion = packageVersion;
+            _timeout = timeout;
+        }
+        internal override void InternalOnStart()
+        {
+            _steps = ESteps.RequestWebPackageHash;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.RequestWebPackageHash)
+            {
+                if (_requestWebPackageHashOp == null)
+                {
+                    _requestWebPackageHashOp = new RequestWebServerPackageHashOperation(_fileSystem, _packageVersion, _timeout);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _requestWebPackageHashOp);
+                }
+
+                if (_requestWebPackageHashOp.IsDone == false)
+                    return;
+
+                if (_requestWebPackageHashOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.LoadWebPackageManifest;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _requestWebPackageHashOp.Error;
+                }
+            }
+
+            if (_steps == ESteps.LoadWebPackageManifest)
+            {
+                if (_loadWebPackageManifestOp == null)
+                {
+                    string packageHash = _requestWebPackageHashOp.PackageHash;
+                    _loadWebPackageManifestOp = new LoadWebServerPackageManifestOperation(_fileSystem, _packageVersion, packageHash);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _loadWebPackageManifestOp);
+                }
+
+                Progress = _loadWebPackageManifestOp.Progress;
+                if (_loadWebPackageManifestOp.IsDone == false)
+                    return;
+
+                if (_loadWebPackageManifestOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.Done;
+                    Manifest = _loadWebPackageManifestOp.Manifest;
+                    Status = EOperationStatus.Succeed;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _loadWebPackageManifestOp.Error;
+                }
+            }
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/DWSFSRequestPackageVersionOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class DWFSRequestPackageVersionOperation : FSRequestPackageVersionOperation
+    internal class DWSFSRequestPackageVersionOperation : FSRequestPackageVersionOperation
     {
         private enum ESteps
         {
@@ -10,13 +10,13 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultWebFileSystem _fileSystem;
+        private readonly DefaultWebServerFileSystem _fileSystem;
         private readonly int _timeout;
-        private RequestWebPackageVersionOperation _requestWebPackageVersionOp;
+        private RequestWebServerPackageVersionOperation _requestWebPackageVersionOp;
         private ESteps _steps = ESteps.None;
 
 
-        internal DWFSRequestPackageVersionOperation(DefaultWebFileSystem fileSystem, int timeout)
+        internal DWSFSRequestPackageVersionOperation(DefaultWebServerFileSystem fileSystem, int timeout)
         {
             _fileSystem = fileSystem;
             _timeout = timeout;
@@ -34,7 +34,7 @@ namespace YooAsset
             {
                 if (_requestWebPackageVersionOp == null)
                 {
-                    _requestWebPackageVersionOp = new RequestWebPackageVersionOperation(_fileSystem, _timeout);
+                    _requestWebPackageVersionOp = new RequestWebServerPackageVersionOperation(_fileSystem, _timeout);
                     OperationSystem.StartOperation(_fileSystem.PackageName, _requestWebPackageVersionOp);
                 }
 

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/internal/LoadWebServerCatalogFileOperation.cs

@@ -6,7 +6,7 @@ using UnityEngine;
 
 namespace YooAsset
 {
-    internal sealed class LoadWebCatalogFileOperation : AsyncOperationBase
+    internal sealed class LoadWebServerCatalogFileOperation : AsyncOperationBase
     {
         private enum ESteps
         {
@@ -15,7 +15,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultWebFileSystem _fileSystem;
+        private readonly DefaultWebServerFileSystem _fileSystem;
         private ESteps _steps = ESteps.None;
 
         /// <summary>
@@ -23,7 +23,7 @@ namespace YooAsset
         /// </summary>
         public string PackageVersion { private set; get; }
 
-        internal LoadWebCatalogFileOperation(DefaultWebFileSystem fileSystem)
+        internal LoadWebServerCatalogFileOperation(DefaultWebServerFileSystem fileSystem)
         {
             _fileSystem = fileSystem;
         }
@@ -44,7 +44,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Failed to load web catalog file : {catalogFilePath}";
+                    Error = $"Failed to load web server catalog file : {catalogFilePath}";
                     return;
                 }
 
@@ -52,14 +52,14 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Web catalog file package name {catalog.PackageName} cannot match the file system package name {_fileSystem.PackageName}";
+                    Error = $"Web server catalog file package name {catalog.PackageName} cannot match the file system package name {_fileSystem.PackageName}";
                     return;
                 }
 
                 PackageVersion = catalog.PackageVersion;
                 foreach (var wrapper in catalog.Wrappers)
                 {
-                    var fileWrapper = new DefaultWebFileSystem.FileWrapper(wrapper.FileName);
+                    var fileWrapper = new DefaultWebServerFileSystem.FileWrapper(wrapper.FileName);
                     _fileSystem.RecordFile(wrapper.BundleGUID, fileWrapper);
                 }
 

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/internal/LoadWebServerPackageManifestOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class LoadWebPackageManifestOperation : AsyncOperationBase
+    internal class LoadWebServerPackageManifestOperation : AsyncOperationBase
     {
         private enum ESteps
         {
@@ -12,7 +12,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultWebFileSystem _fileSystem;
+        private readonly DefaultWebServerFileSystem _fileSystem;
         private readonly string _packageVersion;
         private readonly string _packageHash;
         private UnityWebDataRequestOperation _webDataRequestOp;
@@ -25,7 +25,7 @@ namespace YooAsset
         public PackageManifest Manifest { private set; get; }
 
 
-        internal LoadWebPackageManifestOperation(DefaultWebFileSystem fileSystem, string packageVersion, string packageHash)
+        internal LoadWebServerPackageManifestOperation(DefaultWebServerFileSystem fileSystem, string packageVersion, string packageHash)
         {
             _fileSystem = fileSystem;
             _packageVersion = packageVersion;
@@ -76,7 +76,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = "Failed to verify web package manifest file!";
+                    Error = "Failed to verify web server package manifest file!";
                 }
             }
 

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/internal/RequestWebServerPackageHashOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class RequestWebPackageHashOperation : AsyncOperationBase
+    internal class RequestWebServerPackageHashOperation : AsyncOperationBase
     {
         private enum ESteps
         {
@@ -10,7 +10,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultWebFileSystem _fileSystem;
+        private readonly DefaultWebServerFileSystem _fileSystem;
         private readonly string _packageVersion;
         private readonly int _timeout;
         private UnityWebTextRequestOperation _webTextRequestOp;
@@ -22,7 +22,7 @@ namespace YooAsset
         public string PackageHash { private set; get; }
 
 
-        public RequestWebPackageHashOperation(DefaultWebFileSystem fileSystem, string packageVersion, int timeout)
+        public RequestWebServerPackageHashOperation(DefaultWebServerFileSystem fileSystem, string packageVersion, int timeout)
         {
             _fileSystem = fileSystem;
             _packageVersion = packageVersion;
@@ -58,7 +58,7 @@ namespace YooAsset
                     {
                         _steps = ESteps.Done;
                         Status = EOperationStatus.Failed;
-                        Error = $"Web package hash file content is empty !";
+                        Error = $"Web server package hash file content is empty !";
                     }
                     else
                     {

Assets/YooAsset/Runtime/FileSystem/DefaultWebServerFileSystem/Operation/internal/RequestWebServerPackageVersionOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class RequestWebPackageVersionOperation : AsyncOperationBase
+    internal class RequestWebServerPackageVersionOperation : AsyncOperationBase
     {
         private enum ESteps
         {
@@ -10,7 +10,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultWebFileSystem _fileSystem;
+        private readonly DefaultWebServerFileSystem _fileSystem;
         private readonly int _timeout;
         private UnityWebTextRequestOperation _webTextRequestOp;
         private ESteps _steps = ESteps.None;
@@ -21,7 +21,7 @@ namespace YooAsset
         public string PackageVersion { private set; get; }
 
 
-        internal RequestWebPackageVersionOperation(DefaultWebFileSystem fileSystem, int timeout)
+        internal RequestWebServerPackageVersionOperation(DefaultWebServerFileSystem fileSystem, int timeout)
         {
             _fileSystem = fileSystem;
             _timeout = timeout;
@@ -55,7 +55,7 @@ namespace YooAsset
                     {
                         _steps = ESteps.Done;
                         Status = EOperationStatus.Failed;
-                        Error = $"Web package version file content is empty !";
+                        Error = $"Web server package version file content is empty !";
                     }
                     else
                     {

Assets/YooAsset/Runtime/FileSystem/FileSystemParametersDefine.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class FileSystemParametersDefine
+    public class FileSystemParametersDefine
     {
         public const string FILE_VERIFY_LEVEL = "FILE_VERIFY_LEVEL";
         public const string REMOTE_SERVICES = "REMOTE_SERVICES";
@@ -11,5 +11,7 @@ namespace YooAsset
         public const string DISABLE_UNITY_WEB_CACHE = "DISABLE_UNITY_WEB_CACHE";
         public const string RESUME_DOWNLOAD_MINMUM_SIZE = "RESUME_DOWNLOAD_MINMUM_SIZE";
         public const string RESUME_DOWNLOAD_RESPONSE_CODES = "RESUME_DOWNLOAD_RESPONSE_CODES";
+        public const string ASYNC_SIMULATE_MIN_FRAME = "ASYNC_SIMULATE_MIN_FRAME";
+        public const string ASYNC_SIMULATE_MAX_FRAME = "ASYNC_SIMULATE_MAX_FRAME";
     }
 }

Assets/YooAsset/Runtime/FileSystem/FileVerifyHelper.cs

@@ -3,7 +3,7 @@ using System.IO;
 
 namespace YooAsset
 {
-    internal class FileSystemHelper
+    internal class FileVerifyHelper
     {
         /// <summary>
         /// 文件校验

Assets/YooAsset/Runtime/FileSystem/FileVerifyHelper.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: db3336ad3b5a8f349a3144e77f23fcf8
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/Operation/Internal/DownloadHandlerAssetBundleOperation.cs

@@ -5,16 +5,16 @@ namespace YooAsset
 {
     internal class DownloadHandlerAssetBundleOperation : DefaultDownloadFileOperation
     {
-        private readonly DefaultWebFileSystem _fileSystem;
+        private readonly bool _disableUnityWebCache;
         private DownloadHandlerAssetBundle _downloadhandler;
         private ESteps _steps = ESteps.None;
 
         public AssetBundle Result { private set; get; }
 
 
-        internal DownloadHandlerAssetBundleOperation(DefaultWebFileSystem fileSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
+        internal DownloadHandlerAssetBundleOperation(bool disableUnityWebCache, PackageBundle bundle, DownloadParam param) : base(bundle, param)
         {
-            _fileSystem = fileSystem;
+            _disableUnityWebCache = disableUnityWebCache;
         }
         internal override void InternalOnStart()
         {
@@ -113,7 +113,7 @@ namespace YooAsset
         }
         private DownloadHandlerAssetBundle CreateDownloadHandler()
         {
-            if (_fileSystem.DisableUnityWebCache)
+            if (_disableUnityWebCache)
             {
                 var downloadhandler = new DownloadHandlerAssetBundle(_requestURL, 0);
 #if UNITY_2020_3_OR_NEWER

Assets/YooAsset/Runtime/InitializeParameters.cs

@@ -165,16 +165,30 @@ namespace YooAsset
         }
 
         /// <summary>
-        /// 创建默认的Web文件系统参数
+        /// 创建默认的WebServer文件系统参数
         /// </summary>
         /// <param name="disableUnityWebCache">禁用Unity的网络缓存</param>
-        public static FileSystemParameters CreateDefaultWebFileSystemParameters(bool disableUnityWebCache = false)
+        public static FileSystemParameters CreateDefaultWebServerFileSystemParameters(bool disableUnityWebCache = false)
         {
-            string fileSystemClass = typeof(DefaultWebFileSystem).FullName;
+            string fileSystemClass = typeof(DefaultWebServerFileSystem).FullName;
             var fileSystemParams = new FileSystemParameters(fileSystemClass, null);
             fileSystemParams.AddParameter(FileSystemParametersDefine.DISABLE_UNITY_WEB_CACHE, disableUnityWebCache);
             return fileSystemParams;
         }
+
+        /// <summary>
+        /// 创建默认的WebRemote文件系统参数
+        /// </summary>
+        /// <param name="remoteServices">远端资源地址查询服务类</param>
+        /// <param name="disableUnityWebCache">禁用Unity的网络缓存</param>
+        public static FileSystemParameters CreateDefaultWebRemoteFileSystemParameters(IRemoteServices remoteServices, bool disableUnityWebCache = false)
+        {
+            string fileSystemClass = typeof(DefaultWebServerFileSystem).FullName;
+            var fileSystemParams = new FileSystemParameters(fileSystemClass, null);
+            fileSystemParams.AddParameter(FileSystemParametersDefine.REMOTE_SERVICES, remoteServices);
+            fileSystemParams.AddParameter(FileSystemParametersDefine.DISABLE_UNITY_WEB_CACHE, disableUnityWebCache);
+            return fileSystemParams;
+        }
     }
 
     /// <summary>
@@ -206,7 +220,6 @@ namespace YooAsset
     public class HostPlayModeParameters : InitializeParameters
     {
         public FileSystemParameters BuildinFileSystemParameters;
-        public FileSystemParameters DeliveryFileSystemParameters;
         public FileSystemParameters CacheFileSystemParameters;
     }
 
@@ -215,6 +228,7 @@ namespace YooAsset
     /// </summary>
     public class WebPlayModeParameters : InitializeParameters
     {
-        public FileSystemParameters WebFileSystemParameters;
+        public FileSystemParameters WebServerFileSystemParameters;
+        public FileSystemParameters WebRemoteFileSystemParameters;
     }
 }

Assets/YooAsset/Runtime/ResourcePackage/ManifestTools.cs

@@ -42,6 +42,7 @@ namespace YooAsset
                 buffer.WriteUTF8(manifest.BuildPipeline);
                 buffer.WriteUTF8(manifest.PackageName);
                 buffer.WriteUTF8(manifest.PackageVersion);
+                buffer.WriteUTF8(manifest.PackageNote);
 
                 // 写入资源列表
                 buffer.WriteInt32(manifest.AssetList.Count);
@@ -113,6 +114,7 @@ namespace YooAsset
                 manifest.BuildPipeline = buffer.ReadUTF8();
                 manifest.PackageName = buffer.ReadUTF8();
                 manifest.PackageVersion = buffer.ReadUTF8();
+                manifest.PackageNote = buffer.ReadUTF8();
 
                 // 检测配置
                 if (manifest.EnableAddressable && manifest.LocationToLower)

Assets/YooAsset/Runtime/ResourcePackage/Operation/InitializationOperation.cs

@@ -171,9 +171,9 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            CreateFileSystem,
+            CreateBuildinFileSystem,
             InitBuildinFileSystem,
-            InitDeliveryFileSystem,
+            CreateCacheFileSystem,
             InitCacheFileSystem,
             Done,
         }
@@ -181,7 +181,6 @@ namespace YooAsset
         private readonly HostPlayModeImpl _impl;
         private readonly HostPlayModeParameters _parameters;
         private FSInitializeFileSystemOperation _initBuildinFileSystemOp;
-        private FSInitializeFileSystemOperation _initDeliveryFileSystemOp;
         private FSInitializeFileSystemOperation _initCacheFileSystemOp;
         private ESteps _steps = ESteps.None;
 
@@ -192,14 +191,55 @@ namespace YooAsset
         }
         internal override void InternalOnStart()
         {
-            _steps = ESteps.CreateFileSystem;
+            _steps = ESteps.CreateBuildinFileSystem;
         }
         internal override void InternalOnUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.CreateFileSystem)
+            if (_steps == ESteps.CreateBuildinFileSystem)
+            {
+                if (_parameters.BuildinFileSystemParameters == null)
+                {
+                    _steps = ESteps.CreateCacheFileSystem;
+                    return;
+                }
+
+                _impl.BuildinFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.BuildinFileSystemParameters);
+                if (_impl.BuildinFileSystem == null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = "Failed to create buildin file system";
+                    return;
+                }
+
+                _steps = ESteps.InitBuildinFileSystem;
+            }
+
+            if (_steps == ESteps.InitBuildinFileSystem)
+            {
+                if (_initBuildinFileSystemOp == null)
+                    _initBuildinFileSystemOp = _impl.BuildinFileSystem.InitializeFileSystemAsync();
+
+                Progress = _initBuildinFileSystemOp.Progress;
+                if (_initBuildinFileSystemOp.IsDone == false)
+                    return;
+
+                if (_initBuildinFileSystemOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.CreateCacheFileSystem;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _initBuildinFileSystemOp.Error;
+                }
+            }
+
+            if (_steps == ESteps.CreateCacheFileSystem)
             {
                 if (_parameters.CacheFileSystemParameters == null)
                 {
@@ -209,30 +249,6 @@ namespace YooAsset
                     return;
                 }
 
-                if (_parameters.BuildinFileSystemParameters != null)
-                {
-                    _impl.BuildinFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.BuildinFileSystemParameters);
-                    if (_impl.BuildinFileSystem == null)
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Failed;
-                        Error = "Failed to create buildin file system";
-                        return;
-                    }
-                }
-
-                if (_parameters.DeliveryFileSystemParameters != null)
-                {
-                    _impl.DeliveryFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.DeliveryFileSystemParameters);
-                    if (_impl.DeliveryFileSystem == null)
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Failed;
-                        Error = "Failed to create delivery file system";
-                        return;
-                    }
-                }
-
                 _impl.CacheFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.CacheFileSystemParameters);
                 if (_impl.CacheFileSystem == null)
                 {
@@ -242,63 +258,7 @@ namespace YooAsset
                     return;
                 }
 
-                _steps = ESteps.InitBuildinFileSystem;
-            }
-
-            if (_steps == ESteps.InitBuildinFileSystem)
-            {
-                // 注意：内置文件系统可以为空
-                if (_impl.BuildinFileSystem == null)
-                {
-                    _steps = ESteps.InitDeliveryFileSystem;
-                    return;
-                }
-
-                if (_initBuildinFileSystemOp == null)
-                    _initBuildinFileSystemOp = _impl.BuildinFileSystem.InitializeFileSystemAsync();
-
-                Progress = _initBuildinFileSystemOp.Progress;
-                if (_initBuildinFileSystemOp.IsDone == false)
-                    return;
-
-                if (_initBuildinFileSystemOp.Status == EOperationStatus.Succeed)
-                {
-                    _steps = ESteps.InitDeliveryFileSystem;
-                }
-                else
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = _initBuildinFileSystemOp.Error;
-                }
-            }
-
-            if (_steps == ESteps.InitDeliveryFileSystem)
-            {
-                // 注意：分发文件系统可以为空
-                if (_impl.DeliveryFileSystem == null)
-                {
-                    _steps = ESteps.InitCacheFileSystem;
-                    return;
-                }
-
-                Progress = _initDeliveryFileSystemOp.Progress;
-                if (_initDeliveryFileSystemOp == null)
-                    _initDeliveryFileSystemOp = _impl.DeliveryFileSystem.InitializeFileSystemAsync();
-
-                if (_initDeliveryFileSystemOp.IsDone == false)
-                    return;
-
-                if (_initDeliveryFileSystemOp.Status == EOperationStatus.Succeed)
-                {
-                    _steps = ESteps.InitCacheFileSystem;
-                }
-                else
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = _initDeliveryFileSystemOp.Error;
-                }
+                _steps = ESteps.InitCacheFileSystem;
             }
 
             if (_steps == ESteps.InitCacheFileSystem)
@@ -333,14 +293,18 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            CreateFileSystem,
-            InitWebFileSystem,
+            CreateWebServerFileSystem,
+            InitWebServerFileSystem,
+            CreateWebRemoteFileSystem,
+            InitWebRemoteFileSystem,
+            CheckResult,
             Done,
         }
 
         private readonly WebPlayModeImpl _impl;
         private readonly WebPlayModeParameters _parameters;
-        private FSInitializeFileSystemOperation _initWebFileSystemOp;
+        private FSInitializeFileSystemOperation _initWebServerFileSystemOp;
+        private FSInitializeFileSystemOperation _initWebRemoteFileSystemOp;
         private ESteps _steps = ESteps.None;
 
         internal WebPlayModeInitializationOperation(WebPlayModeImpl impl, WebPlayModeParameters parameters)
@@ -350,54 +314,107 @@ namespace YooAsset
         }
         internal override void InternalOnStart()
         {
-            _steps = ESteps.CreateFileSystem;
+            _steps = ESteps.CreateWebServerFileSystem;
         }
         internal override void InternalOnUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.CreateFileSystem)
+            if (_steps == ESteps.CreateWebServerFileSystem)
             {
-                if (_parameters.WebFileSystemParameters == null)
+                if (_parameters.WebServerFileSystemParameters == null)
                 {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = "Web file system parameters is null";
+                    _steps = ESteps.CreateWebRemoteFileSystem;
                     return;
                 }
 
-                _impl.WebFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.WebFileSystemParameters);
-                if (_impl.WebFileSystem == null)
+                _impl.WebServerFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.WebServerFileSystemParameters);
+                if (_impl.WebServerFileSystem == null)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = "Failed to create web file system";
+                    Error = "Failed to create web server file system";
                     return;
                 }
 
-                _steps = ESteps.InitWebFileSystem;
+                _steps = ESteps.InitWebServerFileSystem;
             }
 
-            if (_steps == ESteps.InitWebFileSystem)
+            if (_steps == ESteps.InitWebServerFileSystem)
             {
-                if (_initWebFileSystemOp == null)
-                    _initWebFileSystemOp = _impl.WebFileSystem.InitializeFileSystemAsync();
+                if (_initWebServerFileSystemOp == null)
+                    _initWebServerFileSystemOp = _impl.WebServerFileSystem.InitializeFileSystemAsync();
 
-                Progress = _initWebFileSystemOp.Progress;
-                if (_initWebFileSystemOp.IsDone == false)
+                Progress = _initWebServerFileSystemOp.Progress;
+                if (_initWebServerFileSystemOp.IsDone == false)
                     return;
 
-                if (_initWebFileSystemOp.Status == EOperationStatus.Succeed)
+                if (_initWebServerFileSystemOp.Status == EOperationStatus.Succeed)
                 {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeed;
+                    _steps = ESteps.CreateWebRemoteFileSystem;
                 }
                 else
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = _initWebFileSystemOp.Error;
+                    Error = _initWebServerFileSystemOp.Error;
+                }
+            }
+
+            if (_steps == ESteps.CreateWebRemoteFileSystem)
+            {
+                if (_parameters.WebRemoteFileSystemParameters == null)
+                {
+                    _steps = ESteps.CheckResult;
+                    return;
+                }
+
+                _impl.WebRemoteFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.WebRemoteFileSystemParameters);
+                if (_impl.WebRemoteFileSystem == null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = "Failed to create web remote file system";
+                    return;
+                }
+
+                _steps = ESteps.InitWebRemoteFileSystem;
+            }
+
+            if (_steps == ESteps.InitWebRemoteFileSystem)
+            {
+                if (_initWebRemoteFileSystemOp == null)
+                    _initWebRemoteFileSystemOp = _impl.WebServerFileSystem.InitializeFileSystemAsync();
+
+                Progress = _initWebRemoteFileSystemOp.Progress;
+                if (_initWebRemoteFileSystemOp.IsDone == false)
+                    return;
+
+                if (_initWebRemoteFileSystemOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.CheckResult;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _initWebRemoteFileSystemOp.Error;
+                }
+            }
+
+            if (_steps == ESteps.CheckResult)
+            {
+                if (_impl.WebServerFileSystem == null && _impl.WebRemoteFileSystem == null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = "Not found any file system !";
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
                 }
             }
         }

Assets/YooAsset/Runtime/ResourcePackage/Operation/Internal/DeserializeManifestOperation.cs

@@ -83,6 +83,7 @@ namespace YooAsset
                     Manifest.BuildPipeline = _buffer.ReadUTF8();
                     Manifest.PackageName = _buffer.ReadUTF8();
                     Manifest.PackageVersion = _buffer.ReadUTF8();
+                    Manifest.PackageNote = _buffer.ReadUTF8();
 
                     // 检测配置
                     if (Manifest.EnableAddressable && Manifest.LocationToLower)

Assets/YooAsset/Runtime/ResourcePackage/Operation/PreDownloadContentOperation.cs

@@ -225,7 +225,7 @@ namespace YooAsset
                 return ResourceDownloaderOperation.CreateEmptyDownloader(_impl.PackageName, downloadingMaxNumber, failedTryAgain, timeout);
             }
 
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByAll(_manifest, _impl.BuildinFileSystem, _impl.DeliveryFileSystem, _impl.CacheFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByAll(_manifest, _impl.BuildinFileSystem, _impl.CacheFileSystem);
             var operation = new ResourceDownloaderOperation(_impl.PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
@@ -237,7 +237,7 @@ namespace YooAsset
                 return ResourceDownloaderOperation.CreateEmptyDownloader(_impl.PackageName, downloadingMaxNumber, failedTryAgain, timeout);
             }
 
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(_manifest, new string[] { tag }, _impl.BuildinFileSystem, _impl.DeliveryFileSystem, _impl.CacheFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(_manifest, new string[] { tag }, _impl.BuildinFileSystem, _impl.CacheFileSystem);
             var operation = new ResourceDownloaderOperation(_impl.PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
@@ -249,7 +249,7 @@ namespace YooAsset
                 return ResourceDownloaderOperation.CreateEmptyDownloader(_impl.PackageName, downloadingMaxNumber, failedTryAgain, timeout);
             }
 
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(_manifest, tags, _impl.BuildinFileSystem, _impl.DeliveryFileSystem, _impl.CacheFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(_manifest, tags, _impl.BuildinFileSystem, _impl.CacheFileSystem);
             var operation = new ResourceDownloaderOperation(_impl.PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
@@ -265,7 +265,7 @@ namespace YooAsset
             var assetInfo = _manifest.ConvertLocationToAssetInfo(location, null);
             assetInfos.Add(assetInfo);
 
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(_manifest, assetInfos.ToArray(), _impl.BuildinFileSystem, _impl.DeliveryFileSystem, _impl.CacheFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(_manifest, assetInfos.ToArray(), _impl.BuildinFileSystem, _impl.CacheFileSystem);
             var operation = new ResourceDownloaderOperation(_impl.PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
@@ -284,7 +284,7 @@ namespace YooAsset
                 assetInfos.Add(assetInfo);
             }
 
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(_manifest, assetInfos.ToArray(), _impl.BuildinFileSystem, _impl.DeliveryFileSystem, _impl.CacheFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(_manifest, assetInfos.ToArray(), _impl.BuildinFileSystem, _impl.CacheFileSystem);
             var operation = new ResourceDownloaderOperation(_impl.PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }

Assets/YooAsset/Runtime/ResourcePackage/PackageManifest.cs

@@ -52,6 +52,11 @@ namespace YooAsset
         /// </summary>
         public string PackageVersion;
 
+        /// <summary>
+        /// 资源包裹的备注信息
+        /// </summary>
+        public string PackageNote;
+
         /// <summary>
         /// 资源列表（主动收集的资源列表）
         /// </summary>
@@ -205,10 +210,24 @@ namespace YooAsset
             return BundleDic3.ContainsKey(bundleGUID);
         }
 
+        /// <summary>
+        /// 获取所有的资源信息
+        /// </summary>
+        public AssetInfo[] GetAllAssetInfos()
+        {
+            List<AssetInfo> result = new List<AssetInfo>(AssetList.Count);
+            foreach (var packageAsset in AssetList)
+            {
+                AssetInfo assetInfo = new AssetInfo(PackageName, packageAsset, null);
+                result.Add(assetInfo);
+            }
+            return result.ToArray();
+        }
+
         /// <summary>
         /// 获取资源信息列表
         /// </summary>
-        public AssetInfo[] GetAssetsInfoByTags(string[] tags)
+        public AssetInfo[] GetAssetInfosByTags(string[] tags)
         {
             List<AssetInfo> result = new List<AssetInfo>(100);
             foreach (var packageAsset in AssetList)

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

@@ -8,7 +8,6 @@ namespace YooAsset
     {
         public readonly string PackageName;
         public IFileSystem BuildinFileSystem { set; get; } //可以为空！
-        public IFileSystem DeliveryFileSystem { set; get; } //可以为空！
         public IFileSystem CacheFileSystem { set; get; }
 
 
@@ -35,9 +34,6 @@ namespace YooAsset
             if (BuildinFileSystem != null)
                 BuildinFileSystem.OnUpdate();
 
-            if (DeliveryFileSystem != null)
-                DeliveryFileSystem.OnUpdate();
-
             if (CacheFileSystem != null)
                 CacheFileSystem.OnUpdate();
         }
@@ -63,50 +59,50 @@ namespace YooAsset
 
         ClearAllBundleFilesOperation IPlayMode.ClearAllBundleFilesAsync()
         {
-            var operation = new ClearAllBundleFilesImplOperation(this, BuildinFileSystem, DeliveryFileSystem, CacheFileSystem);
+            var operation = new ClearAllBundleFilesImplOperation(this, BuildinFileSystem, CacheFileSystem, null);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
         ClearUnusedBundleFilesOperation IPlayMode.ClearUnusedBundleFilesAsync()
         {
-            var operation = new ClearUnusedBundleFilesImplOperation(this, BuildinFileSystem, DeliveryFileSystem, CacheFileSystem);
+            var operation = new ClearUnusedBundleFilesImplOperation(this, BuildinFileSystem, CacheFileSystem, null);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
 
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByAll(ActiveManifest, BuildinFileSystem, DeliveryFileSystem, CacheFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByAll(ActiveManifest, BuildinFileSystem, CacheFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(ActiveManifest, tags, BuildinFileSystem, DeliveryFileSystem, CacheFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(ActiveManifest, tags, BuildinFileSystem, CacheFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(ActiveManifest, assetInfos, BuildinFileSystem, DeliveryFileSystem, CacheFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(ActiveManifest, assetInfos, BuildinFileSystem, CacheFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceUnpackerOperation IPlayMode.CreateResourceUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByAll(ActiveManifest, BuildinFileSystem, DeliveryFileSystem, CacheFileSystem);
+            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByAll(ActiveManifest, BuildinFileSystem, CacheFileSystem);
             var operation = new ResourceUnpackerOperation(PackageName, unpcakList, upackingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceUnpackerOperation IPlayMode.CreateResourceUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByTags(ActiveManifest, tags, BuildinFileSystem, DeliveryFileSystem, CacheFileSystem);
+            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByTags(ActiveManifest, tags, BuildinFileSystem, CacheFileSystem);
             var operation = new ResourceUnpackerOperation(PackageName, unpcakList, upackingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceImporterOperation IPlayMode.CreateResourceImporterByFilePaths(string[] filePaths, int importerMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> importerList = PlayModeHelper.GetImporterListByFilePaths(ActiveManifest, filePaths, BuildinFileSystem, DeliveryFileSystem, CacheFileSystem);
+            List<BundleInfo> importerList = PlayModeHelper.GetImporterListByFilePaths(ActiveManifest, filePaths, BuildinFileSystem, CacheFileSystem);
             var operation = new ResourceImporterOperation(PackageName, importerList, importerMaxNumber, failedTryAgain, timeout);
             return operation;
         }
@@ -123,11 +119,6 @@ namespace YooAsset
                 BundleInfo bundleInfo = new BundleInfo(BuildinFileSystem, packageBundle);
                 return bundleInfo;
             }
-            if (DeliveryFileSystem != null && DeliveryFileSystem.Belong(packageBundle))
-            {
-                BundleInfo bundleInfo = new BundleInfo(DeliveryFileSystem, packageBundle);
-                return bundleInfo;
-            }
             if (CacheFileSystem.Belong(packageBundle))
             {
                 BundleInfo bundleInfo = new BundleInfo(CacheFileSystem, packageBundle);

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

@@ -7,7 +7,8 @@ namespace YooAsset
     internal class WebPlayModeImpl : IPlayMode, IBundleQuery
     {
         public readonly string PackageName;
-        public IFileSystem WebFileSystem { set; get; }
+        public IFileSystem WebServerFileSystem { set; get; } //可以为空！
+        public IFileSystem WebRemoteFileSystem { set; get; } //可以为空！
 
 
         public WebPlayModeImpl(string packageName)
@@ -30,21 +31,42 @@ namespace YooAsset
 
         void IPlayMode.UpdatePlayMode()
         {
-            if (WebFileSystem != null)
-                WebFileSystem.OnUpdate();
+            if (WebServerFileSystem != null)
+                WebServerFileSystem.OnUpdate();
+
+            if (WebRemoteFileSystem != null)
+                WebRemoteFileSystem.OnUpdate();
         }
 
         RequestPackageVersionOperation IPlayMode.RequestPackageVersionAsync(bool appendTimeTicks, int timeout)
         {
-            var operation = new RequestPackageVersionImplOperation(WebFileSystem, appendTimeTicks, timeout);
-            OperationSystem.StartOperation(PackageName, operation);
-            return operation;
+            if (WebRemoteFileSystem != null)
+            {
+                var operation = new RequestPackageVersionImplOperation(WebRemoteFileSystem, appendTimeTicks, timeout);
+                OperationSystem.StartOperation(PackageName, operation);
+                return operation;
+            }
+            else
+            {
+                var operation = new RequestPackageVersionImplOperation(WebServerFileSystem, appendTimeTicks, timeout);
+                OperationSystem.StartOperation(PackageName, operation);
+                return operation;
+            }
         }
         UpdatePackageManifestOperation IPlayMode.UpdatePackageManifestAsync(string packageVersion, int timeout)
         {
-            var operation = new UpdatePackageManifestImplOperation(this, WebFileSystem, packageVersion, timeout);;
-            OperationSystem.StartOperation(PackageName, operation);
-            return operation;
+            if (WebRemoteFileSystem != null)
+            {
+                var operation = new UpdatePackageManifestImplOperation(this, WebRemoteFileSystem, packageVersion, timeout); ;
+                OperationSystem.StartOperation(PackageName, operation);
+                return operation;
+            }
+            else
+            {
+                var operation = new UpdatePackageManifestImplOperation(this, WebServerFileSystem, packageVersion, timeout); ;
+                OperationSystem.StartOperation(PackageName, operation);
+                return operation;
+            }
         }
         PreDownloadContentOperation IPlayMode.PreDownloadContentAsync(string packageVersion, int timeout)
         {
@@ -55,50 +77,50 @@ namespace YooAsset
 
         ClearAllBundleFilesOperation IPlayMode.ClearAllBundleFilesAsync()
         {
-            var operation = new ClearAllBundleFilesImplOperation(this, WebFileSystem, null, null);
+            var operation = new ClearAllBundleFilesImplOperation(this, WebServerFileSystem, WebRemoteFileSystem, null);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
         ClearUnusedBundleFilesOperation IPlayMode.ClearUnusedBundleFilesAsync()
         {
-            var operation = new ClearUnusedBundleFilesImplOperation(this, WebFileSystem, null, null);
+            var operation = new ClearUnusedBundleFilesImplOperation(this, WebServerFileSystem, WebRemoteFileSystem, null);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
 
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByAll(ActiveManifest, WebFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByAll(ActiveManifest, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(ActiveManifest, tags, WebFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(ActiveManifest, tags, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(ActiveManifest, assetInfos, WebFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(ActiveManifest, assetInfos, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceUnpackerOperation IPlayMode.CreateResourceUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByAll(ActiveManifest, WebFileSystem);
+            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByAll(ActiveManifest, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceUnpackerOperation(PackageName, unpcakList, upackingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceUnpackerOperation IPlayMode.CreateResourceUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByTags(ActiveManifest, tags, WebFileSystem);
+            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByTags(ActiveManifest, tags, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceUnpackerOperation(PackageName, unpcakList, upackingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceImporterOperation IPlayMode.CreateResourceImporterByFilePaths(string[] filePaths, int importerMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> importerList = PlayModeHelper.GetImporterListByFilePaths(ActiveManifest, filePaths, WebFileSystem);
+            List<BundleInfo> importerList = PlayModeHelper.GetImporterListByFilePaths(ActiveManifest, filePaths, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceImporterOperation(PackageName, importerList, importerMaxNumber, failedTryAgain, timeout);
             return operation;
         }
@@ -110,9 +132,15 @@ namespace YooAsset
             if (packageBundle == null)
                 throw new Exception("Should never get here !");
 
-            if (WebFileSystem.Belong(packageBundle))
+            if (WebServerFileSystem != null && WebServerFileSystem.Belong(packageBundle))
             {
-                BundleInfo bundleInfo = new BundleInfo(WebFileSystem, packageBundle);
+                BundleInfo bundleInfo = new BundleInfo(WebServerFileSystem, packageBundle);
+                return bundleInfo;
+            }
+
+            if (WebRemoteFileSystem != null && WebRemoteFileSystem.Belong(packageBundle))
+            {
+                BundleInfo bundleInfo = new BundleInfo(WebRemoteFileSystem, packageBundle);
                 return bundleInfo;
             }