refactor : 重构代码

Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderSetting.cs

@@ -83,7 +83,7 @@ namespace YooAsset.Editor
         public static string GetPackageManifestProcessServicesClassName(string packageName, string buildPipeline)
         {
             string key = $"{Application.productName}_{packageName}_{buildPipeline}_ManifestProcessServicesClassName";
-            return EditorPrefs.GetString(key, $"{typeof(ManifestProcessNone).FullName}");
+            return EditorPrefs.GetString(key, $"{typeof(ManifestEncryptorNone).FullName}");
         }
         public static void SetPackageManifestProcessServicesClassName(string packageName, string buildPipeline, string encyptionClassName)
         {
@@ -95,7 +95,7 @@ namespace YooAsset.Editor
         public static string GetPackageManifestRestoreServicesClassName(string packageName, string buildPipeline)
         {
             string key = $"{Application.productName}_{packageName}_{buildPipeline}_ManifestRestoreServicesClassName";
-            return EditorPrefs.GetString(key, $"{typeof(ManifestRestoreNone).FullName}");
+            return EditorPrefs.GetString(key, $"{typeof(ManifestDecryptorNone).FullName}");
         }
         public static void SetPackageManifestRestoreServicesClassName(string packageName, string buildPipeline, string encyptionClassName)
         {

Assets/YooAsset/Editor/AssetBundleBuilder/BuildParameters.cs

@@ -94,19 +94,19 @@ namespace YooAsset.Editor
         public string BuildinFileCopyParams;
 
         /// <summary>
-        /// 资源包加密服务类
+        /// 资源包加密器
         /// </summary>
-        public IBundleEncryptionServices EncryptionServices;
+        public IBundleEncryptor BundleEncryptor;
 
         /// <summary>
-        /// 资源清单加密服务类
+        /// 资源清单加密器
         /// </summary>
-        public IManifestProcessServices ManifestProcessServices;
+        public IManifestEncryptor ManifestEncryptor;
 
         /// <summary>
-        /// 资源清单解密服务类
+        /// 资源清单解密器
         /// </summary>
-        public IManifestRestoreServices ManifestRestoreServices;
+        public IManifestDecryptor ManifestDecryptor;
 
         private string _pipelineOutputDirectory = string.Empty;
         private string _packageOutputDirectory = string.Empty;

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

@@ -14,7 +14,7 @@ namespace YooAsset.Editor
         {
             string buildinRootDirectory = buildParametersContext.GetBuildinRootDirectory();
             string buildPackageName = buildParametersContext.Parameters.PackageName;
-            var manifestServices = buildParametersContext.Parameters.ManifestRestoreServices;
+            var manifestServices = buildParametersContext.Parameters.ManifestDecryptor;
             BuiltinFileCatalogTools.CreateFile(manifestServices, buildPackageName, buildinRootDirectory);
 
             // 刷新目录

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

@@ -81,7 +81,7 @@ namespace YooAsset.Editor
             {
                 string fileName = YooAssetSettingsData.GetManifestBinaryFileName(buildParameters.PackageName, buildParameters.PackageVersion);
                 packagePath = $"{packageOutputDirectory}/{fileName}";
-                PackageManifestTools.SerializeManifestToBinary(packagePath, manifest, buildParameters.ManifestProcessServices);
+                PackageManifestTools.SerializeManifestToBinary(packagePath, manifest, buildParameters.ManifestEncryptor);
                 packageHash = HashUtility.ComputeFileCRC32(packagePath);
                 BuildLogger.Log($"Create package manifest file: {packagePath}");
             }
@@ -106,7 +106,7 @@ namespace YooAsset.Editor
             {
                 ManifestContext manifestContext = new ManifestContext();
                 byte[] bytesData = FileUtility.ReadAllBytes(packagePath);
-                manifestContext.Manifest = PackageManifestTools.DeserializeManifestFromBinary(bytesData, buildParameters.ManifestRestoreServices);
+                manifestContext.Manifest = PackageManifestTools.DeserializeManifestFromBinary(bytesData, buildParameters.ManifestDecryptor);
                 context.SetContextObject(manifestContext);
             }
         }

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

@@ -44,9 +44,9 @@ namespace YooAsset.Editor
                 buildReport.Summary.EnableSharePackRule = buildParameters.EnableSharePackRule;
                 buildReport.Summary.SingleReferencedPackAlone = buildParameters.SingleReferencedPackAlone;
                 buildReport.Summary.FileNameStyle = buildParameters.FileNameStyle;
-                buildReport.Summary.EncryptionServicesClassName = buildParameters.EncryptionServices == null ? "null" : buildParameters.EncryptionServices.GetType().FullName;
+                buildReport.Summary.EncryptionServicesClassName = buildParameters.BundleEncryptor == null ? "null" : buildParameters.BundleEncryptor.GetType().FullName;
-                buildReport.Summary.ManifestProcessServicesClassName = buildParameters.ManifestProcessServices == null ? "null" : buildParameters.ManifestProcessServices.GetType().FullName;
+                buildReport.Summary.ManifestProcessServicesClassName = buildParameters.ManifestEncryptor == null ? "null" : buildParameters.ManifestEncryptor.GetType().FullName;
-                buildReport.Summary.ManifestRestoreServicesClassName = buildParameters.ManifestRestoreServices == null ? "null" : buildParameters.ManifestRestoreServices.GetType().FullName;
+                buildReport.Summary.ManifestRestoreServicesClassName = buildParameters.ManifestDecryptor == null ? "null" : buildParameters.ManifestDecryptor.GetType().FullName;
 
                 if (buildParameters is BuiltinBuildParameters)
                 {

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

@@ -13,7 +13,7 @@ namespace YooAsset.Editor
         /// </summary>
         public void EncryptingBundleFiles(BuildParametersContext buildParametersContext, BuildMapContext buildMapContext)
         {
-            var encryptionServices = buildParametersContext.Parameters.EncryptionServices;
+            var encryptionServices = buildParametersContext.Parameters.BundleEncryptor;
             if (encryptionServices == null)
                 return;
 
@@ -24,14 +24,14 @@ namespace YooAsset.Editor
             string pipelineOutputDirectory = buildParametersContext.GetPipelineOutputDirectory();
             foreach (var bundleInfo in buildMapContext.Collection)
             {
-                BundleEncryptionContext fileInfo = new BundleEncryptionContext();
+                BundleEncryptArgs args = new BundleEncryptArgs();
-                fileInfo.BundleName = bundleInfo.BundleName;
+                args.BundleName = bundleInfo.BundleName;
-                fileInfo.FileLoadPath = $"{pipelineOutputDirectory}/{bundleInfo.BundleName}";
+                args.FilePath = $"{pipelineOutputDirectory}/{bundleInfo.BundleName}";
-                var encryptResult = encryptionServices.Encrypt(fileInfo);
+                var encryptResult = encryptionServices.Encrypt(args);
                 if (encryptResult.Encrypted)
                 {
                     string filePath = $"{pipelineOutputDirectory}/{bundleInfo.BundleName}.encrypt";
-                    FileUtility.WriteAllBytes(filePath, encryptResult.EncryptedData);
+                    FileUtility.WriteAllBytes(filePath, encryptResult.EncryptedFileData);
                     bundleInfo.EncryptedFilePath = filePath;
                     bundleInfo.Encrypted = true;
                     BuildLogger.Log($"Bundle file encryption complete: {filePath}");

Assets/YooAsset/Editor/AssetBundleBuilder/DefaultEncryptionServices.cs

@@ -1,9 +1,9 @@
 
 namespace YooAsset.Editor
 {
-    public class EncryptionNone : IBundleEncryptionServices
+    public class EncryptionNone : IBundleEncryptor
     {
-        public BundleEncryptionResult Encrypt(BundleEncryptionContext fileInfo)
+        public BundleEncryptResult Encrypt(BundleEncryptArgs fileInfo)
         {
             throw new System.NotImplementedException();
         }

Assets/YooAsset/Editor/AssetBundleBuilder/DefaultManifestServices.cs

@@ -1,17 +1,17 @@
 
 namespace YooAsset.Editor
 {
-    public class ManifestProcessNone : IManifestProcessServices
+    public class ManifestEncryptorNone : IManifestEncryptor
     {
-        byte[] IManifestProcessServices.ProcessManifest(byte[] fileData)
+        byte[] IManifestEncryptor.Encrypt(byte[] fileData)
         {
             return fileData;
         }
     }
     
-    public class ManifestRestoreNone : IManifestRestoreServices
+    public class ManifestDecryptorNone : IManifestDecryptor
     {
-        byte[] IManifestRestoreServices.RestoreManifest(byte[] fileData)
+        byte[] IManifestDecryptor.Decrypt(byte[] fileData)
         {
             return fileData;
         }

Assets/YooAsset/Editor/AssetBundleBuilder/VisualViewers/BuildPipelineViewerBase.cs

@@ -44,43 +44,43 @@ namespace YooAsset.Editor
         }
 
         /// <summary>
-        /// 创建资源包加密服务类实例
+        /// 创建资源包加密器实例
         /// </summary>
-        protected IBundleEncryptionServices CreateEncryptionServicesInstance()
+        protected IBundleEncryptor CreateBundleEncryptorInstance()
         {
             var className = AssetBundleBuilderSetting.GetPackageEncyptionServicesClassName(PackageName, PipelineName);
-            var classTypes = EditorTools.GetAssignableTypes(typeof(IBundleEncryptionServices));
+            var classTypes = EditorTools.GetAssignableTypes(typeof(IBundleEncryptor));
             var classType = classTypes.Find(x => x.FullName.Equals(className));
             if (classType != null)
-                return (IBundleEncryptionServices)Activator.CreateInstance(classType);
+                return (IBundleEncryptor)Activator.CreateInstance(classType);
             else
                 return null;
         }
 
         /// <summary>
-        /// 创建资源清单加密服务类实例
+        /// 创建资源清单加密器实例
         /// </summary>
-        protected IManifestProcessServices CreateManifestProcessServicesInstance()
+        protected IManifestEncryptor CreateManifestEncryptorInstance()
         {
             var className = AssetBundleBuilderSetting.GetPackageManifestProcessServicesClassName(PackageName, PipelineName);
-            var classTypes = EditorTools.GetAssignableTypes(typeof(IManifestProcessServices));
+            var classTypes = EditorTools.GetAssignableTypes(typeof(IManifestEncryptor));
             var classType = classTypes.Find(x => x.FullName.Equals(className));
             if (classType != null)
-                return (IManifestProcessServices)Activator.CreateInstance(classType);
+                return (IManifestEncryptor)Activator.CreateInstance(classType);
             else
                 return null;
         }
 
         /// <summary>
-        /// 创建资源清单解密服务类实例
+        /// 创建资源清单解密器实例
         /// </summary>
-        protected IManifestRestoreServices CreateManifestRestoreServicesInstance()
+        protected IManifestDecryptor CreateManifestDecryptorInstance()
         {
             var className = AssetBundleBuilderSetting.GetPackageManifestRestoreServicesClassName(PackageName, PipelineName);
-            var classTypes = EditorTools.GetAssignableTypes(typeof(IManifestRestoreServices));
+            var classTypes = EditorTools.GetAssignableTypes(typeof(IManifestDecryptor));
             var classType = classTypes.Find(x => x.FullName.Equals(className));
             if (classType != null)
-                return (IManifestRestoreServices)Activator.CreateInstance(classType);
+                return (IManifestDecryptor)Activator.CreateInstance(classType);
             else
                 return null;
         }
@@ -184,7 +184,7 @@ namespace YooAsset.Editor
         protected PopupField<Type> CreateEncryptionServicesField(VisualElement container)
         {
             // 资源包加密服务类
-            var classTypes = EditorTools.GetAssignableTypes(typeof(IBundleEncryptionServices));
+            var classTypes = EditorTools.GetAssignableTypes(typeof(IBundleEncryptor));
             if (classTypes.Count > 0)
             {
                 var className = AssetBundleBuilderSetting.GetPackageEncyptionServicesClassName(PackageName, PipelineName);
@@ -215,7 +215,7 @@ namespace YooAsset.Editor
         protected PopupField<Type> CreateManifestProcessServicesField(VisualElement container)
         {
             // 资源清单加密服务类
-            var classTypes = EditorTools.GetAssignableTypes(typeof(IManifestProcessServices));
+            var classTypes = EditorTools.GetAssignableTypes(typeof(IManifestEncryptor));
             if (classTypes.Count > 0)
             {
                 var className = AssetBundleBuilderSetting.GetPackageManifestProcessServicesClassName(PackageName, PipelineName);
@@ -246,7 +246,7 @@ namespace YooAsset.Editor
         protected PopupField<Type> CreateManifestRestoreServicesField(VisualElement container)
         {
             // 资源清单加密服务类
-            var classTypes = EditorTools.GetAssignableTypes(typeof(IManifestRestoreServices));
+            var classTypes = EditorTools.GetAssignableTypes(typeof(IManifestDecryptor));
             if (classTypes.Count > 0)
             {
                 var className = AssetBundleBuilderSetting.GetPackageManifestRestoreServicesClassName(PackageName, PipelineName);

Assets/YooAsset/Editor/AssetBundleBuilder/VisualViewers/BuiltinBuildPipeline/BuiltinBuildPipelineViewer.cs

@@ -121,9 +121,9 @@ namespace YooAsset.Editor
             buildParameters.CompressOption = compressOption;
             buildParameters.ClearBuildCacheFiles = clearBuildCache;
             buildParameters.UseAssetDependencyDB = useAssetDependencyDB;
-            buildParameters.EncryptionServices = CreateEncryptionServicesInstance();
+            buildParameters.BundleEncryptor = CreateBundleEncryptorInstance();
-            buildParameters.ManifestProcessServices = CreateManifestProcessServicesInstance();
+            buildParameters.ManifestEncryptor = CreateManifestEncryptorInstance();
-            buildParameters.ManifestRestoreServices = CreateManifestRestoreServicesInstance();
+            buildParameters.ManifestDecryptor = CreateManifestDecryptorInstance();
 
             BuiltinBuildPipeline pipeline = new BuiltinBuildPipeline();
             var buildResult = pipeline.Run(buildParameters, true);

Assets/YooAsset/Editor/AssetBundleBuilder/VisualViewers/RawfileBuildpipeline/RawfileBuildPipelineViewer.cs

@@ -113,9 +113,9 @@ namespace YooAsset.Editor
             buildParameters.BuildinFileCopyParams = buildinFileCopyParams;
             buildParameters.ClearBuildCacheFiles = clearBuildCache;
             buildParameters.UseAssetDependencyDB = useAssetDependencyDB;
-            buildParameters.EncryptionServices = CreateEncryptionServicesInstance();
+            buildParameters.BundleEncryptor = CreateBundleEncryptorInstance();
-            buildParameters.ManifestProcessServices = CreateManifestProcessServicesInstance();
+            buildParameters.ManifestEncryptor = CreateManifestEncryptorInstance();
-            buildParameters.ManifestRestoreServices = CreateManifestRestoreServicesInstance();
+            buildParameters.ManifestDecryptor = CreateManifestDecryptorInstance();
 
             RawFileBuildPipeline pipeline = new RawFileBuildPipeline();
             var buildResult = pipeline.Run(buildParameters, true);

Assets/YooAsset/Editor/AssetBundleBuilder/VisualViewers/ScriptableBuildPipeline/ScriptableBuildPipelineViewer.cs

@@ -121,9 +121,9 @@ namespace YooAsset.Editor
             buildParameters.CompressOption = compressOption;
             buildParameters.ClearBuildCacheFiles = clearBuildCache;
             buildParameters.UseAssetDependencyDB = useAssetDependencyDB;
-            buildParameters.EncryptionServices = CreateEncryptionServicesInstance();
+            buildParameters.BundleEncryptor = CreateBundleEncryptorInstance();
-            buildParameters.ManifestProcessServices = CreateManifestProcessServicesInstance();
+            buildParameters.ManifestEncryptor = CreateManifestEncryptorInstance();
-            buildParameters.ManifestRestoreServices = CreateManifestRestoreServicesInstance();
+            buildParameters.ManifestDecryptor = CreateManifestDecryptorInstance();
             buildParameters.BuiltinShadersBundleName = GetBuiltinShaderBundleName();
 
             ScriptableBuildPipeline pipeline = new ScriptableBuildPipeline();

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

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 1ca8ffceab2965e4c8892f62efa86e90
+guid: c40f1ef3e0cc72f49903ce3b3a68d0cb
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Assets/YooAsset/Runtime/FileCache/Operations/Internal/LoadLocalAssetBundleOperation.cs

@@ -0,0 +1,162 @@
+using System.IO;
+using UnityEngine;
+
+namespace YooAsset
+{
+    internal class LoadLocalAssetBundleOperation : FCLoadBundleOperation
+    {
+        private enum ESteps
+        {
+            None,
+            LoadBundle,
+            CheckResult,
+            Done,
+        }
+
+        private readonly PackageBundle _bundle;
+        private readonly LoadLocalAssetBundleOptions _options;
+        private AssetBundleCreateRequest _createRequest;
+        private AssetBundle _assetBundle;
+        private Stream _loadStream;
+        private ESteps _steps = ESteps.None;
+
+        public bool UnityEngineLoadFailed = false;
+
+        public LoadLocalAssetBundleOperation(LoadLocalAssetBundleOptions options)
+        {
+            _options = options;
+        }
+        internal override void InternalStart()
+        {
+            _steps = ESteps.LoadBundle;
+        }
+        internal override void InternalUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.LoadBundle)
+            {
+                if (_bundle.IsEncrypted == false)
+                {
+                    LoadFromFile();
+                }
+                else
+                {
+                    var decryptor = _options.Decryptor;
+                    if (decryptor == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"{_options.CacheName} decryptor is null.";
+                        return;
+                    }
+
+                    if (decryptor is IBundleOffsetDecryptor offsetDecryptor)
+                    {
+                        LoadFromFileWithOffset(offsetDecryptor);
+                    }
+                    else if (decryptor is IBundleMemoryDecryptor memoryDecryptor)
+                    {
+                        LoadFromMemory(memoryDecryptor);
+                    }
+                    else if (decryptor is IBundleStreamDecryptor streamDecryptor)
+                    {
+                        LoadFromStream(streamDecryptor);
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"{_options.CacheName} not support {decryptor.GetType().Name}";
+                        return;
+                    }
+                }
+
+                _steps = ESteps.CheckResult;
+            }
+
+            if (_steps == ESteps.CheckResult)
+            {
+                if (_createRequest != null)
+                {
+                    if (IsWaitForCompletion)
+                    {
+                        // ǿ<>ƹ<EFBFBD><C6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣߳<DFB3>ע<EFBFBD>⣺<EFBFBD>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܺ<EFBFBD>ʱ<EFBFBD><CAB1>
+                        YooLogger.Warning("Suspend the main thread to load unity bundle.");
+                        _assetBundle = _createRequest.assetBundle;
+                    }
+                    else
+                    {
+                        if (_createRequest.isDone == false)
+                            return;
+                        _assetBundle = _createRequest.assetBundle;
+                    }
+                }
+
+                if (_assetBundle == null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = "Unity engine load failed.";
+                    UnityEngineLoadFailed = true;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeeded;
+                    BundleResult = new AssetBundleResult(_options.FilePath, _options.Bundle, _assetBundle, _loadStream);
+                }
+            }
+        }
+        internal override void InternalWaitForCompletion()
+        {
+            ExecuteBatch();
+        }
+
+        private void LoadFromFile()
+        {
+            if (IsWaitForCompletion)
+                _assetBundle = AssetBundle.LoadFromFile(_options.FilePath);
+            else
+                _createRequest = AssetBundle.LoadFromFileAsync(_options.FilePath);
+        }
+        private void LoadFromFileWithOffset(IBundleOffsetDecryptor decryptor)
+        {
+            var args = new BundleDecryptArgs();
+            args.Bundle = _bundle;
+            args.FilePath = _options.FilePath;
+            uint offset = decryptor.GetFileOffset(args);
+
+            if (IsWaitForCompletion)
+                _assetBundle = AssetBundle.LoadFromFile(_options.FilePath, 0, offset);
+            else
+                _createRequest = AssetBundle.LoadFromFileAsync(_options.FilePath, 0, offset);
+        }
+        private void LoadFromMemory(IBundleMemoryDecryptor decryptor)
+        {
+            var args = new BundleDecryptArgs();
+            args.Bundle = _bundle;
+            args.FilePath = _options.FilePath;
+            var binaryData = decryptor.GetDecryptData(args);
+
+            if (IsWaitForCompletion)
+                _assetBundle = AssetBundle.LoadFromMemory(binaryData);
+            else
+                _createRequest = AssetBundle.LoadFromMemoryAsync(binaryData);
+        }
+        private void LoadFromStream(IBundleStreamDecryptor decryptor)
+        {
+            var args = new BundleDecryptArgs();
+            args.Bundle = _bundle;
+            args.FilePath = _options.FilePath;
+            uint bufferSize = decryptor.GetReadBufferSize(args);
+            _loadStream = decryptor.GetDecryptStream(args);
+
+            if (IsWaitForCompletion)
+                _assetBundle = AssetBundle.LoadFromStream(_loadStream, 0, bufferSize);
+            else
+                _createRequest = AssetBundle.LoadFromStreamAsync(_loadStream, 0, bufferSize);
+        }
+    }
+}

Assets/YooAsset/Runtime/FileCache/Operations/Internal/LoadLocalAssetBundleOptions.cs

@@ -0,0 +1,30 @@
+
+namespace YooAsset
+{
+    /// <summary>
+    /// 加载 AssetBundle 的上下文信息
+    /// </summary>
+    internal struct LoadLocalAssetBundleOptions
+    {
+        /// <summary>
+        /// 文件缓存名称
+        /// </summary>
+        public string CacheName { get; set; }
+
+        /// <summary>
+        /// 资源包信息
+        /// </summary>
+        public PackageBundle Bundle { get; set; }
+
+        /// <summary>
+        /// 文件加载路径
+        /// </summary>
+        public string FilePath { get; set; }
+
+        /// <summary>
+        /// 解密接口
+        /// </summary>
+        public IBundleDecryptor Decryptor { get; set; }
+    }
+}
+

Assets/YooAsset/Runtime/FileCache/Operations/Internal/LoadLocalRawBundleOperation.cs

@@ -0,0 +1,111 @@
+using System;
+using System.IO;
+
+namespace YooAsset
+{
+    internal class LoadLocalRawBundleOperation : FCLoadBundleOperation
+    {
+        private enum ESteps
+        {
+            None,
+            LoadBundle,
+            CheckResult,
+            Done,
+        }
+
+        protected readonly LoadLocalRawBundleOptions _options;
+        private RawBundle _rawBundle;
+        private ESteps _steps = ESteps.None;
+
+        public LoadLocalRawBundleOperation(LoadLocalRawBundleOptions options)
+        {
+            _options = options;
+        }
+        internal override void InternalStart()
+        {
+            _steps = ESteps.LoadBundle;
+        }
+        internal override void InternalUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.LoadBundle)
+            {
+                if (_options.Bundle.IsEncrypted == false)
+                {
+                    if (IsSupportFileIO(_options.FilePath) == false)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"FileIO not supported for builtin path : {_options.FilePath}";
+                        return;
+                    }
+
+                    LoadFromFile();
+                }
+                else
+                {
+                    var decryptor = _options.Decryptor;
+                    if (decryptor == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"{_options.CacheName} decryptor is null.";
+                        return;
+                    }
+
+                    if (decryptor is IBundleMemoryDecryptor memoryDecryptor)
+                    {
+                        LoadFromMemory(memoryDecryptor);
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"{_options.CacheName} not support {decryptor.GetType().Name}";
+                        return;
+                    }
+                }
+
+                _steps = ESteps.CheckResult;
+            }
+
+            if (_steps == ESteps.CheckResult)
+            {
+                if (_rawBundle == null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = $"Loaded raw bundle is null.";
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeeded;
+                    BundleResult = new RawBundleResult(_options.FilePath, _options.Bundle, _rawBundle);
+                }
+            }
+        }
+        internal override void InternalWaitForCompletion()
+        {
+            ExecuteBatch();
+        }
+
+        private void LoadFromFile()
+        {
+            byte[] data = File.ReadAllBytes(_options.FilePath);
+            if (data != null)
+                _rawBundle = new RawBundle(data);
+        }
+        private void LoadFromMemory(IBundleMemoryDecryptor decryptor)
+        {
+            var args = new BundleDecryptArgs();
+            args.Bundle = _options.Bundle;
+            args.FilePath = _options.FilePath;
+            var binaryData = decryptor.GetDecryptData(args);
+            if (binaryData != null)
+                _rawBundle = new RawBundle(binaryData);
+        }
+    }
+}

Assets/YooAsset/Runtime/FileCache/Operations/Internal/LoadLocalRawBundleOptions.cs

@@ -0,0 +1,29 @@
+
+namespace YooAsset
+{
+    /// <summary>
+    /// 加载 RawBundle 的上下文信息
+    /// </summary>
+    internal struct LoadLocalRawBundleOptions
+    {
+        /// <summary>
+        /// 文件缓存名称
+        /// </summary>
+        public string CacheName { get; set; }
+
+        /// <summary>
+        /// 资源包信息
+        /// </summary>
+        public PackageBundle Bundle { get; set; }
+
+        /// <summary>
+        /// 文件加载路径
+        /// </summary>
+        public string FilePath { get; set; }
+
+        /// <summary>
+        /// 解密接口
+        /// </summary>
+        public IBundleDecryptor Decryptor { get; set; }
+    }
+}

Assets/YooAsset/Runtime/FileCache/Operations/Internal/LoadWebAssetBundleOperation.cs

@@ -0,0 +1,252 @@
+using UnityEngine;
+
+namespace YooAsset
+{
+    internal abstract class LoadWebAssetBundleOperation : FCLoadBundleOperation
+    {
+    }
+
+    internal class LoadWebNormalAssetBundleOperation : LoadWebAssetBundleOperation
+    {
+        private enum ESteps
+        {
+            None,
+            DownloadBundle,
+            CheckResult,
+            TryAgain,
+            Done,
+        }
+
+        protected readonly LoadWebAssetBundleOptions _options;
+        private IDownloadAssetBundleRequest _downloadAssetBundleRequest;
+        private ESteps _steps = ESteps.None;
+
+        // ʧ<><CAA7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        private int _requestCount = 0;
+        private float _tryAgainTimer = 0;
+        private int _failedTryAgain;
+
+        public LoadWebNormalAssetBundleOperation(LoadWebAssetBundleOptions options)
+        {
+            _options = options;
+            _failedTryAgain = int.MaxValue; //ע<>⣺<EFBFBD><E2A3BA><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>ʧ<EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><C2B3><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>ɹ<EFBFBD>
+        }
+        internal override void InternalStart()
+        {
+            _steps = ESteps.DownloadBundle;
+        }
+        internal override void InternalUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.DownloadBundle)
+            {
+                string url = GetRequestURL();
+                var args = new DownloadAssetBundleRequestArgs(url, 0, _options.WatchdogTimeout, _options.DisableUnityWebCache, _options.Bundle.FileHash, _options.Bundle.UnityCRC);
+                _downloadAssetBundleRequest = _options.DownloadBackend.CreateAssetBundleRequest(args);
+                _downloadAssetBundleRequest.SendRequest();
+                _steps = ESteps.CheckResult;
+            }
+
+            if (_steps == ESteps.CheckResult)
+            {
+                Progress = _downloadAssetBundleRequest.DownloadProgress;
+                if (_downloadAssetBundleRequest.IsDone == false)
+                    return;
+
+                if (_downloadAssetBundleRequest.Status == EDownloadRequestStatus.Succeeded)
+                {
+                    var assetBundle = _downloadAssetBundleRequest.Result;
+                    if (assetBundle == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"Fatal error: dwonload asset bundle is null.";
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Succeeded;
+                        BundleResult = new AssetBundleResult(_downloadAssetBundleRequest.Url, _options.Bundle, assetBundle, null);
+                    }
+                }
+                else
+                {
+                    if (_failedTryAgain > 0)
+                    {
+                        _steps = ESteps.TryAgain;
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = _downloadAssetBundleRequest.Error;
+                    }
+                }
+
+                // <20><><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+                _downloadAssetBundleRequest.Dispose();
+            }
+
+            if (_steps == ESteps.TryAgain)
+            {
+                _tryAgainTimer += UnityEngine.Time.unscaledDeltaTime;
+                if (_tryAgainTimer > 1f)
+                {
+                    _tryAgainTimer = 0f;
+                    _failedTryAgain--;
+                    Progress = 0f;
+                    _steps = ESteps.DownloadBundle;
+                }
+            }
+        }
+
+        private string GetRequestURL()
+        {
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
+            _requestCount++;
+            if (_requestCount % 2 == 0)
+                return _options.FallbackURL;
+            else
+                return _options.MainURL;
+        }
+    }
+
+    internal class LoadWebEncryptedAssetBundleOperation : LoadWebAssetBundleOperation
+    {
+        private enum ESteps
+        {
+            None,
+            DownloadData,
+            CheckResult,
+            TryAgain,
+            Done,
+        }
+
+        protected readonly LoadWebAssetBundleOptions _options;
+        private IDownloadBytesRequest _downloadBytesRequest;
+        private IBundleMemoryDecryptor _decryptor;
+        private ESteps _steps = ESteps.None;
+
+        // ʧ<><CAA7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        private int _requestCount = 0;
+        private float _tryAgainTimer = 0;
+        private int _failedTryAgain;
+
+        public LoadWebEncryptedAssetBundleOperation(LoadWebAssetBundleOptions options)
+        {
+            _options = options;
+            _failedTryAgain = int.MaxValue; //ע<>⣺<EFBFBD><E2A3BA><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>ʧ<EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><C2B3><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>ɹ<EFBFBD>
+        }
+        internal override void InternalStart()
+        {
+            _steps = ESteps.DownloadData;
+        }
+        internal override void InternalUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.DownloadData)
+            {
+                var decryptor = _options.Decryptor;
+                if (decryptor == null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = $"{_options.CacheName} decryptor is null.";
+                    return;
+                }
+
+                if (decryptor is IBundleMemoryDecryptor)
+                {
+                    string url = GetRequestURL();
+                    _decryptor = decryptor as IBundleMemoryDecryptor;
+                    var args = new DownloadDataRequestArgs(url, 0, _options.WatchdogTimeout);
+                    _downloadBytesRequest = _options.DownloadBackend.CreateBytesRequest(args);
+                    _downloadBytesRequest.SendRequest();
+                    _steps = ESteps.CheckResult;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = $"{_options.CacheName} not support {decryptor.GetType().Name}";
+                    return;
+                }
+            }
+
+            if (_steps == ESteps.CheckResult)
+            {
+                Progress = _downloadBytesRequest.DownloadProgress;
+                if (_downloadBytesRequest.IsDone == false)
+                    return;
+
+                // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+                if (_downloadBytesRequest.Status == EDownloadRequestStatus.Succeeded)
+                {
+                    var assetBundle = LoadFromMemory(_decryptor, _downloadBytesRequest.Result);
+                    if (assetBundle == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = "Unity engine load failed.";
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Succeeded;
+                        BundleResult = new AssetBundleResult(_downloadBytesRequest.Url, _options.Bundle, assetBundle, null);
+                    }
+                }
+                else
+                {
+                    if (_failedTryAgain > 0)
+                    {
+                        _steps = ESteps.TryAgain;
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = _downloadBytesRequest.Error;
+                    }
+                }
+
+                // <20><><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+                _downloadBytesRequest.Dispose();
+            }
+
+            if (_steps == ESteps.TryAgain)
+            {
+                _tryAgainTimer += Time.unscaledDeltaTime;
+                if (_tryAgainTimer > 1f)
+                {
+                    _tryAgainTimer = 0f;
+                    _failedTryAgain--;
+                    Progress = 0f;
+                    _steps = ESteps.DownloadData;
+                }
+            }
+        }
+
+        private AssetBundle LoadFromMemory(IBundleMemoryDecryptor decryptor, byte[] fileData)
+        {
+            var args = new BundleDecryptArgs();
+            args.Bundle = _options.Bundle;
+            args.FileData = fileData;
+            var binaryData = decryptor.GetDecryptData(args);
+            return AssetBundle.LoadFromMemory(binaryData);
+        }
+        private string GetRequestURL()
+        {
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
+            _requestCount++;
+            if (_requestCount % 2 == 0)
+                return _options.FallbackURL;
+            else
+                return _options.MainURL;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileCache/Operations/Internal/LoadWebAssetBundleOptions.cs

@@ -0,0 +1,49 @@
+
+namespace YooAsset
+{
+    /// <summary>
+    /// 加载 AssetBundle 的上下文信息
+    /// </summary>
+    internal struct LoadWebAssetBundleOptions
+    {
+        /// <summary>
+        /// 文件缓存名称
+        /// </summary>
+        public string CacheName { get; set; }
+
+        /// <summary>
+        /// 资源包信息
+        /// </summary>
+        public PackageBundle Bundle { get; set; }
+
+        /// <summary>
+        /// 请求地址
+        /// </summary>
+        public string MainURL { get; set; }
+
+        /// <summary>
+        /// 请求地址
+        /// </summary>
+        public string FallbackURL { get; set; }
+
+        /// <summary>
+        /// 解密接口
+        /// </summary>
+        public IBundleDecryptor Decryptor { get; set; }
+
+        /// <summary>
+        /// 下载后台接口
+        /// </summary>
+        public IDownloadBackend DownloadBackend { get; set; }
+
+        /// <summary>
+        /// 看门狗超时时间
+        /// </summary>
+        public int WatchdogTimeout { get; set; }
+
+        /// <summary>
+        /// 禁用Unity的网络缓存
+        /// </summary>
+        public bool DisableUnityWebCache { get; set; }
+    }
+}

Assets/YooAsset/Runtime/FileCache/Services/BuiltinFileCache/BuiltinFileCache.cs

@@ -7,6 +7,19 @@ namespace YooAsset
     {
         internal struct CacheConfig
         {
+            /// <summary>
+            /// AssetBundle 解密器
+            /// </summary>
+            public IBundleDecryptor AssetBundleDecryptor { get; set; }
+
+            /// <summary>
+            /// RawBundle 解密器
+            /// </summary>
+            public IBundleDecryptor RawBundleDecryptor { get; set; }
+
+            /// <summary>
+            /// 下载后台接口
+            /// </summary>
             public IDownloadBackend DownloadBackend { get; set; }
         }
 

Assets/YooAsset/Runtime/FileCache/Services/BuiltinFileCache/BuiltinFileCatalogTools.cs

@@ -12,7 +12,7 @@ namespace YooAsset
         /// 生成包裹的内置资源目录文件
         /// 说明：根据指定目录下的文件生成清单文件。
         /// </summary>
-        public static bool CreateFile(IManifestRestoreServices services, string packageName, string packageDirectory)
+        public static bool CreateFile(IManifestDecryptor decryptor, string packageName, string packageDirectory)
         {
             // 获取资源清单版本
             string packageVersion;
@@ -40,7 +40,7 @@ namespace YooAsset
                 }
 
                 var binaryData = FileUtility.ReadAllBytes(manifestFilePath);
-                packageManifest = PackageManifestTools.DeserializeManifestFromBinary(binaryData, services);
+                packageManifest = PackageManifestTools.DeserializeManifestFromBinary(binaryData, decryptor);
             }
 
             // 获取文件名映射关系

Assets/YooAsset/Runtime/FileCache/Services/BuiltinFileCache/Operations/BFCLoadBundleOperation.cs

@@ -1,7 +1,4 @@
-using System;
+
-using System.IO;
-using UnityEngine;
-
 namespace YooAsset
 {
     internal class BFCLoadAssetBundleOperation : FCLoadBundleOperation
@@ -9,16 +6,15 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            LoadAssetBundle,
+            GetEntry,
-            CheckResult,
+            LoadBundle,
             Done,
         }
 
         private readonly BuiltinFileCache _fileCache;
         private readonly PackageBundle _bundle;
-        private AssetBundleCreateRequest _createRequest;
+        private LoadLocalAssetBundleOperation _loadLocalAssetBundleOp;
-        private AssetBundle _assetBundle;
+        private BuiltinFileCacheEntry _cacheEntry;
-        private string _filePath;
         private ESteps _steps = ESteps.None;
 
         public BFCLoadAssetBundleOperation(BuiltinFileCache fileCache, PackageBundle bundle)
@@ -28,62 +24,63 @@ namespace YooAsset
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.LoadAssetBundle;
+            _steps = ESteps.GetEntry;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.LoadAssetBundle)
+            if (_steps == ESteps.GetEntry)
             {
-                var entry = _fileCache.GetEntry(_bundle.BundleGUID);
+                _cacheEntry = _fileCache.GetEntry(_bundle.BundleGUID);
-                if (entry == null)
+                if (_cacheEntry == null)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
                     Error = $"Not found file cache entry: {_bundle.BundleGUID}";
-                    return;
-                }
-
-                _filePath = entry.FilePath;
-                if (IsWaitForCompletion)
-                    _assetBundle = AssetBundle.LoadFromFile(_filePath);
-                else
-                    _createRequest = AssetBundle.LoadFromFileAsync(_filePath);
-
-                _steps = ESteps.CheckResult;
-            }
-
-            if (_steps == ESteps.CheckResult)
-            {
-                if (_createRequest != null)
-                {
-                    if (IsWaitForCompletion)
-                    {
-                        // 强制挂起主线程（注意：该操作会很耗时）
-                        YooLogger.Warning("Suspend the main thread to load unity bundle.");
-                        _assetBundle = _createRequest.assetBundle;
                 }
                 else
                 {
-                        if (_createRequest.isDone == false)
+                    _steps = ESteps.LoadBundle;
-                            return;
-                        _assetBundle = _createRequest.assetBundle;
                 }
             }
 
-                if (_assetBundle == null)
+            if (_steps == ESteps.LoadBundle)
+            {
+                if (_loadLocalAssetBundleOp == null)
+                {
+                    var options = new LoadLocalAssetBundleOptions();
+                    options.CacheName = _fileCache.GetType().Name;
+                    options.Bundle = _bundle;
+                    options.FilePath = _cacheEntry.FilePath;
+                    options.Decryptor = _fileCache.Config.AssetBundleDecryptor;
+                    _loadLocalAssetBundleOp = new LoadLocalAssetBundleOperation(options);
+                    _loadLocalAssetBundleOp.StartOperation();
+                    AddChildOperation(_loadLocalAssetBundleOp);
+                }
+
+                if (IsWaitForCompletion)
+                    _loadLocalAssetBundleOp.WaitForCompletion();
+
+                _loadLocalAssetBundleOp.UpdateOperation();
+                if (_loadLocalAssetBundleOp.IsDone == false)
+                    return;
+
+                if (_loadLocalAssetBundleOp.Status == EOperationStatus.Succeeded)
+                {
+                    if (_loadLocalAssetBundleOp.BundleResult == null)
+                        throw new YooInternalException("Loaded asset bundle result is null.");
+
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeeded;
+                    BundleResult = _loadLocalAssetBundleOp.BundleResult;
+                }
+                else
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Failed to load asset bundle : {_bundle.BundleName}";
+                    Error = _loadLocalAssetBundleOp.Error;
-                }
-                else
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeeded;
-                    BundleResult = new AssetBundleResult(_filePath, _bundle, _assetBundle, null);
                 }
             }
         }
@@ -98,12 +95,15 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            LoadRawBundle,
+            GetEntry,
+            LoadBundle,
             Done,
         }
 
         private readonly BuiltinFileCache _fileCache;
         private readonly PackageBundle _bundle;
+        private LoadLocalRawBundleOperation _loadLocalRawBundleOp;
+        private BuiltinFileCacheEntry _cacheEntry;
         private ESteps _steps = ESteps.None;
 
         public BFCLoadRawBundleOperation(BuiltinFileCache fileCache, PackageBundle bundle)
@@ -113,48 +113,61 @@ namespace YooAsset
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.LoadRawBundle;
+            _steps = ESteps.GetEntry;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.LoadRawBundle)
+            if (_steps == ESteps.GetEntry)
             {
-                var entry = _fileCache.GetEntry(_bundle.BundleGUID);
+                _cacheEntry = _fileCache.GetEntry(_bundle.BundleGUID);
-                if (entry == null)
+                if (_cacheEntry == null)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
                     Error = $"Not found file cache entry: {_bundle.BundleGUID}";
+                }
+                else
+                {
+                    _steps = ESteps.LoadBundle;
+                }
+            }
+
+            if (_steps == ESteps.LoadBundle)
+            {
+                if(_loadLocalRawBundleOp == null)
+                {
+                    var options = new LoadLocalRawBundleOptions();
+                    options.CacheName = _fileCache.GetType().Name;
+                    options.Bundle = _bundle;
+                    options.FilePath = _cacheEntry.FilePath;
+                    options.Decryptor = _fileCache.Config.AssetBundleDecryptor;
+                    _loadLocalRawBundleOp = new LoadLocalRawBundleOperation(options);
+                    _loadLocalRawBundleOp.StartOperation();
+                    AddChildOperation(_loadLocalRawBundleOp);
+                }
+
+                if (IsWaitForCompletion)
+                    _loadLocalRawBundleOp.WaitForCompletion();
+
+                _loadLocalRawBundleOp.UpdateOperation();
+                if (_loadLocalRawBundleOp.IsDone == false)
                     return;
-                }
 
-                string filePath = entry.FilePath;
+                if(_loadLocalRawBundleOp.Status == EOperationStatus.Succeeded)
-                if (IsSupportFileIO(filePath) == false)
                 {
-                    _steps = ESteps.Done;
+                    if (_loadLocalRawBundleOp.BundleResult == null)
-                    Status = EOperationStatus.Failed;
+                        throw new YooInternalException("Loaded raw bundle result is null.");
-                    Error = $"FileIO not supported for builtin path : {filePath}";
-                }
-                else
-                {
-                    if (File.Exists(filePath))
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Succeeded;
 
-                        byte[] data = File.ReadAllBytes(filePath);
+                    BundleResult = _loadLocalRawBundleOp.BundleResult;
-                        var rawBundle = new RawBundle(data);
-                        BundleResult = new RawBundleResult(filePath, _bundle, rawBundle);
                 }
                 else
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                        Error = $"Can not found raw bundle file : {filePath}";
+                    Error = _loadLocalRawBundleOp.Error;
-                    }
                 }
             }
         }
@@ -163,16 +176,4 @@ namespace YooAsset
             ExecuteBatch();
         }
     }
-
-    internal abstract class BFCLoadAssetBundleFromOperation : FCLoadBundleOperation
-    {
-        internal abstract AssetBundle LoadFromOffset();
-        internal abstract AssetBundleCreateRequest LoadFromOffsetAsync();
-
-        internal abstract AssetBundle LoadFromMemory();
-        internal abstract AssetBundleCreateRequest LoadFromMemoryAsync();
-
-        internal abstract AssetBundle LoadFromStream();
-        internal abstract AssetBundleCreateRequest LoadFromStreamAsync();
-    }
 }

Assets/YooAsset/Runtime/FileCache/Services/EditorFileCache/EditorFileCache.cs

@@ -83,10 +83,19 @@ namespace YooAsset
             return operation;
         }
         public virtual FCLoadBundleOperation LoadBundleAsync(LoadBundleOptions options)
+        {
+            if (options.Bundle.BundleType == (int)EBundleType.VirtualBundle)
             {
                 var operation = new EFCLoadVirtualBundleOperation(this, options.Bundle);
                 return operation;
             }
+            else
+            {
+                string error = $"{nameof(EditorFileCache)} not support load bundle type : {options.Bundle.BundleType}";
+                var operation = new FCLoadBundleErrorOperation(error);
+                return operation;
+            }
+        }
         public virtual bool IsCached(string bundleGUID)
         {
             if (Config.VirtualDownloadMode)

Assets/YooAsset/Runtime/FileCache/Services/LoadAssetBundleOperation.cs

@@ -1,75 +0,0 @@
-using System.IO;
-using UnityEngine;
-
-namespace YooAsset
-{
-    /// <summary>
-    /// 加载 AssetBundle 的抽象基类
-    /// 用户可继承此类实现自定义加载逻辑（如加密解密）
-    /// </summary>
-    public abstract class LoadAssetBundleOperation : AsyncOperationBase
-    {
-        protected readonly LoadAssetBundleOptions _options;
-
-        /// <summary>
-        /// 加载结果：AssetBundle 对象
-        /// </summary>
-        public AssetBundle Result { get; protected set; }
-
-        /// <summary>
-        /// 托管流对象（如果使用流加载）
-        /// 注意：流对象在资源包对象释放的时候会自动释放
-        /// </summary>
-        public Stream ManagedStream { get; protected set; }
-
-        public LoadAssetBundleOperation(LoadAssetBundleOptions options)
-        {
-            _options = options;
-        }
-
-        /// <summary>
-        /// 后备加载方法：从内存加载 AssetBundle
-        /// 当主加载方式失败时，FileSystem 会调用此方法作为后备机制
-        /// </summary>
-        /// <returns>加载成功返回 AssetBundle 对象，失败返回 null</returns>
-        public abstract AssetBundle LoadFromMemory();
-
-        /// <summary>
-        /// 检查文件路径是否支持 FileIO 读取
-        /// </summary>
-        protected static bool IsSupportFileIO(string filePath)
-        {
-            if (string.IsNullOrEmpty(filePath))
-                return true;
-            if (filePath.StartsWith("jar:") || filePath.StartsWith("content:"))
-                return false;
-            return true;
-        }
-    }
-
-    /// <summary>
-    /// 立即完成（失败）的 AssetBundle 加载操作
-    /// 用途：当 Factory 判定某种场景不支持（例如默认实现不支持加密包）时，返回该 Operation
-    /// </summary>
-    public sealed class LoadAssetBundleCompleteOperation : LoadAssetBundleOperation
-    {
-        private readonly string _error;
-
-        public LoadAssetBundleCompleteOperation(string error, LoadAssetBundleOptions options) : base(options)
-        {
-            _error = error;
-        }
-        internal override void InternalStart()
-        {
-            Status = EOperationStatus.Failed;
-            Error = _error;
-        }
-        internal override void InternalUpdate()
-        {
-        }
-        public override AssetBundle LoadFromMemory()
-        {
-            return null;
-        }
-    }
-}

Assets/YooAsset/Runtime/FileCache/Services/LoadAssetBundleOptions.cs

@@ -1,19 +0,0 @@
-
-namespace YooAsset
-{
-    /// <summary>
-    /// 加载 AssetBundle 的上下文信息
-    /// </summary>
-    public struct LoadAssetBundleOptions
-    {
-        /// <summary>
-        /// 文件加载路径
-        /// </summary>
-        internal string FileLoadPath { get; set; }
-
-        /// <summary>
-        /// 资源包信息
-        /// </summary>
-        internal PackageBundle Bundle { get; set; }
-    }
-}

Assets/YooAsset/Runtime/FileCache/Services/LoadRawBundleFileOperation.cs

@@ -1,57 +0,0 @@
-using System.Text;
-
-namespace YooAsset
-{
-    /// <summary>
-    /// 加载 RawBundle 的抽象基类
-    /// 用户可继承此类实现自定义加载逻辑（如加密解密）
-    /// </summary>
-    public abstract class LoadRawBundleOperation : AsyncOperationBase
-    {
-        protected readonly LoadRawBundleOptions _options;
-
-        /// <summary>
-        /// 加载结果：RawBundle 对象
-        /// </summary>
-        public RawBundle Result { get; protected set; }
-
-        public LoadRawBundleOperation(LoadRawBundleOptions options)
-        {
-            _options = options;
-        }
-
-        /// <summary>
-        /// 检查文件路径是否支持 FileIO 读取
-        /// </summary>
-        protected static bool IsSupportFileIO(string filePath)
-        {
-            if (string.IsNullOrEmpty(filePath))
-                return true;
-            if (filePath.StartsWith("jar:") || filePath.StartsWith("content:"))
-                return false;
-            return true;
-        }
-    }
-
-    /// <summary>
-    /// 立即完成（失败）的 RawBundle 加载操作
-    /// 用途：当 Factory 判定某种场景不支持（例如默认实现不支持加密包）时，返回该 Operation
-    /// </summary>
-    public sealed class LoadRawBundleCompleteOperation : LoadRawBundleOperation
-    {
-        private readonly string _error;
-
-        public LoadRawBundleCompleteOperation(string error, LoadRawBundleOptions options) : base(options)
-        {
-            _error = error;
-        }
-        internal override void InternalStart()
-        {
-            Status = EOperationStatus.Failed;
-            Error = _error;
-        }
-        internal override void InternalUpdate()
-        {
-        }
-    }
-}

Assets/YooAsset/Runtime/FileCache/Services/LoadRawBundleFileOptions.cs

@@ -1,19 +0,0 @@
-
-namespace YooAsset
-{
-    /// <summary>
-    /// 加载 RawBundle 的上下文信息
-    /// </summary>
-    public struct LoadRawBundleOptions
-    {
-        /// <summary>
-        /// 文件加载路径
-        /// </summary>
-        internal string FileLoadPath { get; set; }
-
-        /// <summary>
-        /// 资源包信息
-        /// </summary>
-        internal PackageBundle Bundle { get; set; }
-    }
-}

Assets/YooAsset/Runtime/FileCache/Services/SandboxFileCache/Operations/SFCLoadBundleOperation.cs

@@ -9,18 +9,18 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            LoadAssetBundle,
+            GetEntry,
-            CheckResult,
+            LoadBundle,
+            VerifyFile,
             TryFallback,
             Done,
         }
 
         private readonly SandboxFileCache _fileCache;
         private readonly PackageBundle _bundle;
+        private LoadLocalAssetBundleOperation _loadLocalAssetBundleOp;
         private FCVerifyCacheOperation _verifyCacheOp;
-        private AssetBundleCreateRequest _createRequest;
+        private SandboxFileCacheEntry _cacheEntry;
-        private AssetBundle _assetBundle;
-        private string _filePath;
         private ESteps _steps = ESteps.None;
 
         public SFCLoadAssetBundleOperation(SandboxFileCache fileCache, PackageBundle bundle)
@@ -30,64 +30,75 @@ namespace YooAsset
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.LoadAssetBundle;
+            _steps = ESteps.GetEntry;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.LoadAssetBundle)
+            if (_steps == ESteps.GetEntry)
             {
-                var entry = _fileCache.GetEntry(_bundle.BundleGUID);
+                _cacheEntry = _fileCache.GetEntry(_bundle.BundleGUID);
-                if (entry == null)
+                if (_cacheEntry == null)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
                     Error = $"Not found file cache entry: {_bundle.BundleGUID}";
-                    return;
-                }
-
-                _filePath = entry.DataFilePath;
-                if (IsWaitForCompletion)
-                    _assetBundle = AssetBundle.LoadFromFile(_filePath);
-                else
-                    _createRequest = AssetBundle.LoadFromFileAsync(_filePath);
-
-                _steps = ESteps.CheckResult;
-            }
-
-            if (_steps == ESteps.CheckResult)
-            {
-                if (_createRequest != null)
-                {
-                    if (IsWaitForCompletion)
-                    {
-                        // 强制挂起主线程（注意：该操作会很耗时）
-                        YooLogger.Warning("Suspend the main thread to load unity bundle.");
-                        _assetBundle = _createRequest.assetBundle;
                 }
                 else
                 {
-                        if (_createRequest.isDone == false)
+                    _steps = ESteps.LoadBundle;
-                            return;
-                        _assetBundle = _createRequest.assetBundle;
                 }
             }
 
-                if (_assetBundle == null)
+            if (_steps == ESteps.LoadBundle)
             {
-                    _steps = ESteps.TryFallback;
+                if (_loadLocalAssetBundleOp == null)
+                {
+                    var options = new LoadLocalAssetBundleOptions();
+                    options.CacheName = _fileCache.GetType().Name;
+                    options.Bundle = _bundle;
+                    options.FilePath = _cacheEntry.DataFilePath;
+                    options.Decryptor = _fileCache.Config.AssetBundleDecryptor;
+                    _loadLocalAssetBundleOp = new LoadLocalAssetBundleOperation(options);
+                    _loadLocalAssetBundleOp.StartOperation();
+                    AddChildOperation(_loadLocalAssetBundleOp);
+                }
+
+                if (IsWaitForCompletion)
+                    _loadLocalAssetBundleOp.WaitForCompletion();
+
+                _loadLocalAssetBundleOp.UpdateOperation();
+                if (_loadLocalAssetBundleOp.IsDone == false)
+                    return;
+
+                if (_loadLocalAssetBundleOp.Status == EOperationStatus.Succeeded)
+                {
+                    if (_loadLocalAssetBundleOp.BundleResult == null)
+                        throw new YooInternalException("Loaded asset bundle result is null.");
+
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeeded;
+                    BundleResult = _loadLocalAssetBundleOp.BundleResult;
+                }
+                else
+                {
+                    // 注意：如果引擎加载失败，需要重新验证文件
+                    if (_loadLocalAssetBundleOp.UnityEngineLoadFailed)
+                    {
+                        _steps = ESteps.VerifyFile;
                     }
                     else
                     {
                         _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeeded;
+                        Status = EOperationStatus.Failed;
-                    BundleResult = new AssetBundleResult(_filePath, _bundle, _assetBundle, null);
+                        Error = _loadLocalAssetBundleOp.Error;
+                    }
                 }
             }
 
-            if (_steps == ESteps.TryFallback)
+            if (_steps == ESteps.VerifyFile)
             {
                 // 注意：当缓存文件的校验等级为Low的时候，并不能保证缓存文件的完整性。
                 // 说明：在AssetBundle文件加载失败的情况下，我们需要重新验证文件的完整性！
@@ -110,22 +121,7 @@ namespace YooAsset
 
                 if (_verifyCacheOp.Status == EOperationStatus.Succeeded)
                 {
-                    // 调用后备加载方法
+                    _steps = ESteps.TryFallback;
-                    // 注意：在安卓移动平台，华为和三星真机上有极小概率加载资源包失败。
-                    // 说明：大多数情况在首次安装下载资源到沙盒内，游戏过程中切换到后台再回到游戏内有很大概率触发！
-                    AssetBundle assetBundle = LoadFromMemory();
-                    if (assetBundle != null)
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Succeeded;
-                        BundleResult = new AssetBundleResult(_filePath, _bundle, assetBundle, null);
-                    }
-                    else
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Failed;
-                        Error = $"Failed to load asset bundle from memory : {_bundle.BundleName}";
-                    }
                 }
                 else
                 {
@@ -134,19 +130,70 @@ namespace YooAsset
                     Error = _verifyCacheOp.Error;
                 }
             }
+
+            if (_steps == ESteps.TryFallback)
+            {
+                // 调用后备加载方法
+                // 注意：在安卓移动平台，华为和三星真机上有极小概率加载资源包失败。
+                // 说明：大多数情况在首次安装下载资源到沙盒内，游戏过程中切换到后台再回到游戏内有很大概率触发！
+                AssetBundle assetBundle;
+                if (_bundle.IsEncrypted)
+                {
+                    if (_fileCache.Config.AssetBundleFallbackDecryptor == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"{nameof(SandboxFileCache)} fallback decryptor is null.";
+                        return;
+                    }
+
+                    assetBundle = FallbackLoadDecryptAssetBundle(_fileCache.Config.AssetBundleFallbackDecryptor);
+                    if (assetBundle == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"Failed fallback load encrypted asset bundle: {_bundle.BundleName}";
+                    }
+                }
+                else
+                {
+                    assetBundle = FallbackLoadAssetBundle();
+                    if (assetBundle == null)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"Failed fallback load asset bundle: {_bundle.BundleName}";
+                    }
+                }
+
+                if (assetBundle != null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeeded;
+                    BundleResult = new AssetBundleResult(_cacheEntry.DataFilePath, _bundle, assetBundle, null);
+                }
+            }
         }
         internal override void InternalWaitForCompletion()
         {
             ExecuteBatch();
         }
 
-        private AssetBundle LoadFromMemory()
+        private AssetBundle FallbackLoadAssetBundle()
         {
-            byte[] fileData = FileUtility.ReadAllBytes(_filePath);
+            byte[] fileData = FileUtility.ReadAllBytes(_cacheEntry.DataFilePath);
             if (fileData == null || fileData.Length == 0)
                 return null;
             return AssetBundle.LoadFromMemory(fileData);
         }
+        private AssetBundle FallbackLoadDecryptAssetBundle(IBundleMemoryDecryptor decryptor)
+        {
+            var args = new BundleDecryptArgs();
+            args.Bundle = _bundle;
+            args.FilePath = _cacheEntry.DataFilePath;
+            var binaryData = decryptor.GetDecryptData(args);
+            return AssetBundle.LoadFromMemory(binaryData);
+        }
     }
 
     internal class SFCLoadRawBundleOperation : FCLoadBundleOperation
@@ -154,12 +201,16 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            LoadRawBundle,
+            GetEntry,
+            LoadBundle,
             Done,
         }
 
         private readonly SandboxFileCache _fileCache;
         private readonly PackageBundle _bundle;
+        private LoadLocalRawBundleOperation _loadLocalRawBundleOp;
+        private SandboxFileCacheEntry _cacheEntry;
+
         private ESteps _steps = ESteps.None;
 
         public SFCLoadRawBundleOperation(SandboxFileCache fileCache, PackageBundle bundle)
@@ -169,39 +220,61 @@ namespace YooAsset
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.LoadRawBundle;
+            _steps = ESteps.GetEntry;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.LoadRawBundle)
+            if (_steps == ESteps.GetEntry)
             {
-                var entry = _fileCache.GetEntry(_bundle.BundleGUID);
+                _cacheEntry = _fileCache.GetEntry(_bundle.BundleGUID);
-                if (entry == null)
+                if (_cacheEntry == null)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
                     Error = $"Not found file cache entry: {_bundle.BundleGUID}";
-                    return;
+                }
+                else
+                {
+                    _steps = ESteps.LoadBundle;
+                }
             }
 
-                string filePath = entry.DataFilePath;
+            if (_steps == ESteps.LoadBundle)
-                if (File.Exists(filePath))
             {
-                    _steps = ESteps.Done;
+                if (_loadLocalRawBundleOp == null)
-                    Status = EOperationStatus.Succeeded;
+                {
+                    var options = new LoadLocalRawBundleOptions();
+                    options.CacheName = _fileCache.GetType().Name;
+                    options.Bundle = _bundle;
+                    options.FilePath = _cacheEntry.DataFilePath;
+                    options.Decryptor = _fileCache.Config.AssetBundleDecryptor;
+                    _loadLocalRawBundleOp = new LoadLocalRawBundleOperation(options);
+                    _loadLocalRawBundleOp.StartOperation();
+                    AddChildOperation(_loadLocalRawBundleOp);
+                }
 
-                    byte[] data = File.ReadAllBytes(filePath);
+                if (IsWaitForCompletion)
-                    var rawBundle = new RawBundle(data);
+                    _loadLocalRawBundleOp.WaitForCompletion();
-                    BundleResult = new RawBundleResult(filePath, _bundle, rawBundle);
+
+                _loadLocalRawBundleOp.UpdateOperation();
+                if (_loadLocalRawBundleOp.IsDone == false)
+                    return;
+
+                if (_loadLocalRawBundleOp.Status == EOperationStatus.Succeeded)
+                {
+                    if (_loadLocalRawBundleOp.BundleResult == null)
+                        throw new YooInternalException("Loaded raw bundle result is null.");
+
+                    BundleResult = _loadLocalRawBundleOp.BundleResult;
                 }
                 else
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Can not found raw bundle file : {filePath}";
+                    Error = _loadLocalRawBundleOp.Error;
                 }
             }
         }
@@ -210,16 +283,4 @@ namespace YooAsset
             ExecuteBatch();
         }
     }
-
-    internal abstract class SFCLoadAssetBundleFromOperation : FCLoadBundleOperation
-    {
-        internal abstract AssetBundle LoadFromOffset();
-        internal abstract AssetBundleCreateRequest LoadFromOffsetAsync();
-
-        internal abstract AssetBundle LoadFromMemory();
-        internal abstract AssetBundleCreateRequest LoadFromMemoryAsync();
-
-        internal abstract AssetBundle LoadFromStream();
-        internal abstract AssetBundleCreateRequest LoadFromStreamAsync();
-    }
 }

Assets/YooAsset/Runtime/FileCache/Services/SandboxFileCache/SandboxFileCache.cs

@@ -16,6 +16,21 @@ namespace YooAsset
             /// 文件校验级别
             /// </summary>
             public EFileVerifyLevel FileVerifyLevel { get; set; }
+
+            /// <summary>
+            /// AssetBundle 解密器
+            /// </summary>
+            public IBundleDecryptor AssetBundleDecryptor { get; set; }
+
+            /// <summary>
+            /// RawBundle 解密器
+            /// </summary>
+            public IBundleDecryptor RawBundleDecryptor { get; set; }
+
+            /// <summary>
+            /// AssetBundle 备用解密器
+            /// </summary>
+            public IBundleMemoryDecryptor AssetBundleFallbackDecryptor { get; set; }
         }
 
         private const int HashFolderLength = 2;

Assets/YooAsset/Runtime/FileCache/Services/WebRemoteFileCache/Operations/WRFCLoadBundleOperation.cs

@@ -6,121 +6,89 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            CreateRequest,
+            GetEntry,
-            CheckRequest,
+            LoadBundle,
-            TryAgain,
             Done,
         }
 
         private readonly WebRemoteFileCache _fileCache;
         private readonly LoadBundleOptions _options;
-        private IDownloadAssetBundleRequest _downloadAssetBundleRequest;
+        private LoadWebAssetBundleOperation _loadWebAssetBundleOp;
+        private WebRemoteFileCacheEntry _cacheEntry;
         private ESteps _steps = ESteps.None;
 
-        // 失败重试
-        private int _requestCount = 0;
-        private float _tryAgainTimer = 0;
-        private int _failedTryAgain;
-
         public WRFCLoadAssetBundleOperation(WebRemoteFileCache fileCache, LoadBundleOptions options)
         {
             _fileCache = fileCache;
             _options = options;
-            _failedTryAgain = fileCache.Config.RetryCount;
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.CreateRequest;
+            _steps = ESteps.GetEntry;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.CreateRequest)
+            if (_steps == ESteps.GetEntry)
             {
-                var entry = _fileCache.GetEntry(_options.Bundle);
+                _cacheEntry = _fileCache.GetEntry(_options.Bundle);
-                if(entry == null)
+                if (_cacheEntry == null)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
                     Error = $"Not found file cache entry: {_options.Bundle.BundleGUID}";
-                    return;
-                }
-
-                string url = GetRequestURL(entry);
-                var args = new DownloadAssetBundleRequestArgs(url, 0, _fileCache.Config.WatchdogTimeout, _fileCache.Config.DisableUnityWebCache, _options.Bundle.FileHash, _options.Bundle.UnityCRC);
-                _downloadAssetBundleRequest = _fileCache.Config.DownloadBackend.CreateAssetBundleRequest(args);
-                _downloadAssetBundleRequest.SendRequest();
-                _steps = ESteps.CheckRequest;
-            }
-
-            if (_steps == ESteps.CheckRequest)
-            {
-                Progress = _downloadAssetBundleRequest.DownloadProgress;
-                if (_downloadAssetBundleRequest.IsDone == false)
-                    return;
-
-                if (_downloadAssetBundleRequest.Status == EDownloadRequestStatus.Succeeded)
-                {
-                    var assetBundle = _downloadAssetBundleRequest.Result;
-                    if (assetBundle == null)
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Failed;
-                        Error = $"Failed to load asset bundle : {_options.Bundle.BundleName}";
                 }
                 else
                 {
+                    _steps = ESteps.LoadBundle;
+                }
+            }
+
+            if (_steps == ESteps.LoadBundle)
+            {
+                if (_loadWebAssetBundleOp == null)
+                {
+                    var options = new LoadWebAssetBundleOptions();
+                    options.CacheName = _fileCache.GetType().Name;
+                    options.Bundle = _options.Bundle;
+                    options.MainURL = _cacheEntry.MainURL;
+                    options.FallbackURL = _cacheEntry.FallbackURL;
+                    options.Decryptor = _fileCache.Config.AssetBundleDecryptor;
+                    options.DownloadBackend = _fileCache.Config.DownloadBackend;
+                    options.WatchdogTimeout = _fileCache.Config.WatchdogTimeout;
+                    options.DisableUnityWebCache = _fileCache.Config.DisableUnityWebCache;
+
+                    if (_options.Bundle.IsEncrypted)
+                        _loadWebAssetBundleOp = new LoadWebEncryptedAssetBundleOperation(options);
+                    else
+                        _loadWebAssetBundleOp = new LoadWebNormalAssetBundleOperation(options);
+
+                    _loadWebAssetBundleOp.StartOperation();
+                    AddChildOperation(_loadWebAssetBundleOp);
+                }
+
+                _loadWebAssetBundleOp.UpdateOperation();
+                if (_loadWebAssetBundleOp.IsDone == false)
+                    return;
+
+                if (_loadWebAssetBundleOp.Status == EOperationStatus.Succeeded)
+                {
+                    if (_loadWebAssetBundleOp.BundleResult == null)
+                        throw new YooInternalException("Loaded asset bundle result is null.");
+
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Succeeded;
-                        BundleResult = new AssetBundleResult(null, _options.Bundle, assetBundle, null);
+                    BundleResult = _loadWebAssetBundleOp.BundleResult;
-                    }
-                }
-                else
-                {
-                    if (_failedTryAgain > 0)
-                    {
-                        _steps = ESteps.TryAgain;
-                        YooLogger.Warning($"Failed download : {_downloadAssetBundleRequest.Url} Try again.");
                 }
                 else
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                        Error = _downloadAssetBundleRequest.Error;
+                    Error = _loadWebAssetBundleOp.Error;
-                        YooLogger.Error(Error);
                 }
             }
-
-                // 最终释放请求器
-                _downloadAssetBundleRequest.Dispose();
-            }
-
-            if (_steps == ESteps.TryAgain)
-            {
-                _tryAgainTimer += UnityEngine.Time.unscaledDeltaTime;
-                if (_tryAgainTimer > 1f)
-                {
-                    _tryAgainTimer = 0f;
-                    _failedTryAgain--;
-                    Progress = 0f;
-                    _steps = ESteps.CreateRequest;
-                }
-            }
-        }
-
-        /// <summary>
-        /// 获取网络请求地址
-        /// </summary>
-        protected string GetRequestURL(WebRemoteFileCacheEntry entry)
-        {
-            // 轮流返回请求地址
-            _requestCount++;
-            if (_requestCount % 2 == 0)
-                return entry.FallbackURL;
-            else
-                return entry.MainURL;
         }
     }
 }

Assets/YooAsset/Runtime/FileCache/Services/WebRemoteFileCache/WebRemoteFileCache.cs

@@ -7,27 +7,30 @@ namespace YooAsset
     {
         internal struct CacheConfig
         {
+            /// <summary>
+            /// 看门狗超时时间
+            /// </summary>
+            public int WatchdogTimeout { get; set; }
+
             /// <summary>
             /// 禁用Unity的网络缓存
             /// </summary>
             public bool DisableUnityWebCache { get; set; }
 
+            /// <summary>
+            /// AssetBundle 解密器
+            /// </summary>
+            public IBundleDecryptor AssetBundleDecryptor { get; set; }
+
+            /// <summary>
+            /// 远程服务接口
+            /// </summary>
             public IRemoteServices RemoteServices { get; set; }
 
             /// <summary>
             /// 下载后台接口
             /// </summary>
             public IDownloadBackend DownloadBackend { get; set; }
-
-            /// <summary>
-            /// 看门狗超时时间
-            /// </summary>
-            public int WatchdogTimeout { get; set; }
-
-            /// <summary>
-            /// 失败后重试次数
-            /// </summary>
-            public int RetryCount { get; set; }
         }
 
         private readonly Dictionary<string, WebRemoteFileCacheEntry> _caches = new Dictionary<string, WebRemoteFileCacheEntry>(10000);
@@ -100,10 +103,19 @@ namespace YooAsset
             return operation;
         }
         public virtual FCLoadBundleOperation LoadBundleAsync(LoadBundleOptions options)
+        {
+            if (options.Bundle.BundleType == (int)EBundleType.AssetBundle)
             {
                 var operation = new WRFCLoadAssetBundleOperation(this, options);
                 return operation;
             }
+            else
+            {
+                string error = $"{nameof(WebServerFileCache)} not support load bundle type : {options.Bundle.BundleType}";
+                var operation = new FCLoadBundleErrorOperation(error);
+                return operation;
+            }
+        }
         public virtual bool IsCached(string bundleGUID)
         {
             return true;

Assets/YooAsset/Runtime/FileCache/Services/WebServerFileCache/Operations/WSFCLoadBundleOperation.cs

@@ -1,110 +1,93 @@
 
 namespace YooAsset
 {
-    internal class WFCLoadAssetBundleOperation : FCLoadBundleOperation
+    internal class WSFCLoadAssetBundleOperation : FCLoadBundleOperation
     {
         private enum ESteps
         {
             None,
-            CreateRequest,
+            GetEntry,
-            CheckRequest,
+            LoadBundle,
-            TryAgain,
             Done,
         }
 
         private readonly WebServerFileCache _fileCache;
         private readonly LoadBundleOptions _options;
-        private IDownloadAssetBundleRequest _downloadAssetBundleRequest;
+        private LoadWebAssetBundleOperation _loadWebAssetBundleOp;
+        private WebServerFileCacheEntry _cacheEntry;
         private ESteps _steps = ESteps.None;
 
-        // 失败重试
+        public WSFCLoadAssetBundleOperation(WebServerFileCache fileCache, LoadBundleOptions options)
-        private float _tryAgainTimer = 0;
-        private int _failedTryAgain;
-
-        public WFCLoadAssetBundleOperation(WebServerFileCache fileCache, LoadBundleOptions options)
         {
             _fileCache = fileCache;
             _options = options;
-            _failedTryAgain = fileCache.Config.RetryCount;
         }
         internal override void InternalStart()
         {
-            _steps = ESteps.CreateRequest;
+            _steps = ESteps.GetEntry;
         }
         internal override void InternalUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.CreateRequest)
+            if (_steps == ESteps.GetEntry)
             {
-                var entry = _fileCache.GetEntry(_options.Bundle.BundleGUID);
+                _cacheEntry = _fileCache.GetEntry(_options.Bundle.BundleGUID);
-                if (entry == null)
+                if (_cacheEntry == null)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
                     Error = $"Not found file cache entry: {_options.Bundle.BundleGUID}";
-                    return;
-                }
-
-                string url = DownloadSystemTools.ToLocalUrl(entry.FilePath);
-                var args = new DownloadAssetBundleRequestArgs(url, 0, _fileCache.Config.WatchdogTimeout, _fileCache.Config.DisableUnityWebCache, _options.Bundle.FileHash, _options.Bundle.UnityCRC);
-                _downloadAssetBundleRequest = _fileCache.Config.DownloadBackend.CreateAssetBundleRequest(args);
-                _downloadAssetBundleRequest.SendRequest();
-                _steps = ESteps.CheckRequest;
-            }
-
-            if (_steps == ESteps.CheckRequest)
-            {
-                Progress = _downloadAssetBundleRequest.DownloadProgress;
-                if (_downloadAssetBundleRequest.IsDone == false)
-                    return;
-
-                if (_downloadAssetBundleRequest.Status == EDownloadRequestStatus.Succeeded)
-                {
-                    var assetBundle = _downloadAssetBundleRequest.Result;
-                    if (assetBundle == null)
-                    {
-                        _steps = ESteps.Done;
-                        Status = EOperationStatus.Failed;
-                        Error = $"Failed to load asset bundle : {_options.Bundle.BundleName}";
                 }
                 else
                 {
+                    _steps = ESteps.LoadBundle;
+                }
+            }
+
+            if (_steps == ESteps.LoadBundle)
+            {
+                if (_loadWebAssetBundleOp == null)
+                {
+                    string url = DownloadSystemTools.ToLocalUrl(_cacheEntry.FilePath);
+                    var options = new LoadWebAssetBundleOptions();
+                    options.CacheName = _fileCache.GetType().Name;
+                    options.Bundle = _options.Bundle;
+                    options.MainURL = url;
+                    options.FallbackURL = url;
+                    options.Decryptor = _fileCache.Config.AssetBundleDecryptor;
+                    options.DownloadBackend = _fileCache.Config.DownloadBackend;
+                    options.WatchdogTimeout = _fileCache.Config.WatchdogTimeout;
+                    options.DisableUnityWebCache = _fileCache.Config.DisableUnityWebCache;
+
+                    if (_options.Bundle.IsEncrypted)
+                        _loadWebAssetBundleOp = new LoadWebEncryptedAssetBundleOperation(options);
+                    else
+                        _loadWebAssetBundleOp = new LoadWebNormalAssetBundleOperation(options);
+
+                    _loadWebAssetBundleOp.StartOperation();
+                    AddChildOperation(_loadWebAssetBundleOp);
+                }
+
+                _loadWebAssetBundleOp.UpdateOperation();
+                if (_loadWebAssetBundleOp.IsDone == false)
+                    return;
+
+                if (_loadWebAssetBundleOp.Status == EOperationStatus.Succeeded)
+                {
+                    if (_loadWebAssetBundleOp.BundleResult == null)
+                        throw new YooInternalException("Loaded asset bundle result is null.");
+
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Succeeded;
-                        BundleResult = new AssetBundleResult(null, _options.Bundle, assetBundle, null);
+                    BundleResult = _loadWebAssetBundleOp.BundleResult;
-                    }
-                }
-                else
-                {
-                    if (_failedTryAgain > 0)
-                    {
-                        _steps = ESteps.TryAgain;
-                        YooLogger.Warning($"Failed download : {_downloadAssetBundleRequest.Url} Try again.");
                 }
                 else
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                        Error = _downloadAssetBundleRequest.Error;
+                    Error = _loadWebAssetBundleOp.Error;
-                        YooLogger.Error(Error);
-                    }
-                }
-
-                // 最终释放请求器
-                _downloadAssetBundleRequest.Dispose();
-            }
-
-            if (_steps == ESteps.TryAgain)
-            {
-                _tryAgainTimer += UnityEngine.Time.unscaledDeltaTime;
-                if (_tryAgainTimer > 1f)
-                {
-                    _tryAgainTimer = 0f;
-                    _failedTryAgain--;
-                    Progress = 0f;
-                    _steps = ESteps.CreateRequest;
                 }
             }
         }

Assets/YooAsset/Runtime/FileCache/Services/WebServerFileCache/WebServerFileCache.cs

@@ -7,25 +7,25 @@ namespace YooAsset
     {
         internal struct CacheConfig
         {
-            /// <summary>
-            /// 禁用Unity的网络缓存
-            /// </summary>
-            public bool DisableUnityWebCache { get; set; }
-
-            /// <summary>
-            /// 下载后台接口
-            /// </summary>
-            public IDownloadBackend DownloadBackend { get; set; }
-
             /// <summary>
             /// 看门狗超时时间
             /// </summary>
             public int WatchdogTimeout { get; set; }
 
             /// <summary>
-            /// 失败后重试次数
+            /// 禁用Unity的网络缓存
             /// </summary>
-            public int RetryCount { get; set; }
+            public bool DisableUnityWebCache { get; set; }
+
+            /// <summary>
+            /// AssetBundle 解密器
+            /// </summary>
+            public IBundleDecryptor AssetBundleDecryptor { get; set; }
+
+            /// <summary>
+            /// 下载后台接口
+            /// </summary>
+            public IDownloadBackend DownloadBackend { get; set; }
         }
 
         private readonly Dictionary<string, WebServerFileCacheEntry> _caches = new Dictionary<string, WebServerFileCacheEntry>(10000);
@@ -99,9 +99,18 @@ namespace YooAsset
         }
         public virtual FCLoadBundleOperation LoadBundleAsync(LoadBundleOptions options)
         {
-            var operation = new WFCLoadAssetBundleOperation(this, options);
+            if (options.Bundle.BundleType == (int)EBundleType.AssetBundle)
+            {
+                var operation = new WSFCLoadAssetBundleOperation(this, options);
                 return operation;
             }
+            else
+            {
+                string error = $"{nameof(WebServerFileCache)} not support load bundle type : {options.Bundle.BundleType}";
+                var operation = new FCLoadBundleErrorOperation(error);
+                return operation;
+            }
+        }
         public virtual bool IsCached(string bundleGUID)
         {
             return _caches.ContainsKey(bundleGUID);

Assets/YooAsset/Runtime/FileCache/Services/XXXDefaultLoadAssetBundleOperation.cs

@@ -2,6 +2,7 @@ using System;
 using System.IO;
 using UnityEngine;
 
+/*
 namespace YooAsset
 {
     /// <summary>
@@ -96,72 +97,8 @@ namespace YooAsset
     /// </summary>
     public abstract class DefaultLoadAssetBundleFromOffsetOperation : LoadAssetBundleOperation
     {
-        private enum ESteps
+        protected DefaultLoadAssetBundleFromOffsetOperation(LoadAssetBundleOptions options) : base(options)
         {
-            None,
-            LoadAssetBundle,
-            CheckResult,
-            Done,
-        }
-
-        private AssetBundleCreateRequest _createRequest;
-        private ESteps _steps = ESteps.None;
-
-        public DefaultLoadAssetBundleFromOffsetOperation(LoadAssetBundleOptions options) : base(options) { }
-        internal override void InternalStart()
-        {
-            _steps = ESteps.LoadAssetBundle;
-        }
-        internal override void InternalUpdate()
-        {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            if (_steps == ESteps.LoadAssetBundle)
-            {
-                ulong offset = GetFileOffset();
-                if (IsWaitForCompletion)
-                    Result = AssetBundle.LoadFromFile(_options.FileLoadPath, 0, offset);
-                else
-                    _createRequest = AssetBundle.LoadFromFileAsync(_options.FileLoadPath, 0, offset);
-
-                _steps = ESteps.CheckResult;
-            }
-
-            if (_steps == ESteps.CheckResult)
-            {
-                if (_createRequest != null)
-                {
-                    if (IsWaitForCompletion)
-                    {
-                        // 强制挂起主线程（注意：该操作会很耗时）
-                        YooLogger.Warning("Suspend the main thread to load unity bundle.");
-                        Result = _createRequest.assetBundle;
-                    }
-                    else
-                    {
-                        if (_createRequest.isDone == false)
-                            return;
-                        Result = _createRequest.assetBundle;
-                    }
-                }
-
-                if (Result == null)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"Failed to load asset bundle file : {_options.Bundle.BundleName}";
-                }
-                else
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeeded;
-                }
-            }
-        }
-        internal override void InternalWaitForCompletion()
-        {
-            ExecuteBatch();
         }
 
         /// <summary>
@@ -209,9 +146,6 @@ namespace YooAsset
         }
         internal override void InternalUpdate()
         {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
             if (_steps == ESteps.CheckFilePath)
             {
                 string filePath = _options.FileLoadPath;
@@ -246,41 +180,6 @@ namespace YooAsset
 
                 _steps = ESteps.CheckResult;
             }
-
-            if (_steps == ESteps.CheckResult)
-            {
-                if (_createRequest != null)
-                {
-                    if (IsWaitForCompletion)
-                    {
-                        // 强制挂起主线程（注意：该操作会很耗时）
-                        YooLogger.Warning("Suspend the main thread to load unity bundle.");
-                        Result = _createRequest.assetBundle;
-                    }
-                    else
-                    {
-                        if (_createRequest.isDone == false)
-                            return;
-                        Result = _createRequest.assetBundle;
-                    }
-                }
-
-                if (Result == null)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"Failed to load asset bundle file : {_options.Bundle.BundleName}";
-                }
-                else
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeeded;
-                }
-            }
-        }
-        internal override void InternalWaitForCompletion()
-        {
-            ExecuteBatch();
         }
 
         /// <summary>
@@ -313,20 +212,13 @@ namespace YooAsset
             CheckResult,
             Done,
         }
-
-        private AssetBundleCreateRequest _createRequest;
         private ESteps _steps = ESteps.None;
-
+        protected DefaultLoadAssetBundleFromStreamOperation(LoadAssetBundleOptions options) : base(options)
-        public DefaultLoadAssetBundleFromStreamOperation(LoadAssetBundleOptions options) : base(options) { }
-        internal override void InternalStart()
         {
-            _steps = ESteps.CheckFilePath;
         }
+
         internal override void InternalUpdate()
         {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
             if (_steps == ESteps.CheckFilePath)
             {
                 string filePath = _options.FileLoadPath;
@@ -341,66 +233,8 @@ namespace YooAsset
                     _steps = ESteps.LoadAssetBundle;
                 }
             }
-
-            if (_steps == ESteps.LoadAssetBundle)
-            {
-                ManagedStream = CreateManagedFileStream();
-                uint bufferSize = GetManagedReadBufferSize();
-
-                if (IsWaitForCompletion)
-                    Result = AssetBundle.LoadFromStream(ManagedStream, 0, bufferSize);
-                else
-                    _createRequest = AssetBundle.LoadFromStreamAsync(ManagedStream, 0, bufferSize);
-
-                _steps = ESteps.CheckResult;
         }
 
-            if (_steps == ESteps.CheckResult)
-            {
-                if (_createRequest != null)
-                {
-                    if (IsWaitForCompletion)
-                    {
-                        // 强制挂起主线程（注意：该操作会很耗时）
-                        YooLogger.Warning("Suspend the main thread to load unity bundle.");
-                        Result = _createRequest.assetBundle;
-                    }
-                    else
-                    {
-                        if (_createRequest.isDone == false)
-                            return;
-                        Result = _createRequest.assetBundle;
-                    }
-                }
-
-                if (Result == null)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"Failed to load asset bundle file : {_options.Bundle.BundleName}";
-                }
-                else
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeeded;
-                }
-            }
-        }
-        internal override void InternalWaitForCompletion()
-        {
-            ExecuteBatch();
-        }
-
-        /// <summary>
-        /// 获取文件流
-        /// </summary>
-        protected abstract FileStream CreateManagedFileStream();
-
-        /// <summary>
-        /// 获取缓冲池大小
-        /// </summary>
-        protected abstract uint GetManagedReadBufferSize();
-
         /// <summary>
         /// 文件数据解密
         /// </summary>
@@ -417,3 +251,4 @@ namespace YooAsset
         }
     }
 }
+*/

Assets/YooAsset/Runtime/FileCache/Services/XXXDefaultLoadRawBundleOperation.cs

@@ -1,5 +1,6 @@
 using System.IO;
 
+/*
 namespace YooAsset
 {
     /// <summary>
@@ -25,24 +26,6 @@ namespace YooAsset
         }
         internal override void InternalUpdate()
         {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            if (_steps == ESteps.CheckFilePath)
-            {
-                string filePath = _options.FileLoadPath;
-                if (IsSupportFileIO(filePath) == false)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"FileIO not supported for builtin path : {filePath}";
-                }
-                else
-                {
-                    _steps = ESteps.LoadRawBundle;
-                }
-            }
-
             if (_steps == ESteps.LoadRawBundle)
             {
                 string filePath = _options.FileLoadPath;
@@ -61,10 +44,6 @@ namespace YooAsset
                 }
             }
         }
-        internal override void InternalWaitForCompletion()
-        {
-            ExecuteBatch();
-        }
     }
 
     /// <summary>
@@ -90,24 +69,6 @@ namespace YooAsset
         }
         internal override void InternalUpdate()
         {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            if (_steps == ESteps.CheckFilePath)
-            {
-                string filePath = _options.FileLoadPath;
-                if (IsSupportFileIO(filePath) == false)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"FileIO not supported for builtin path : {filePath}";
-                }
-                else
-                {
-                    _steps = ESteps.LoadRawBundle;
-                }
-            }
-
             if (_steps == ESteps.LoadRawBundle)
             {
                 string filePath = _options.FileLoadPath;
@@ -136,10 +97,6 @@ namespace YooAsset
                 }
             }
         }
-        internal override void InternalWaitForCompletion()
-        {
-            ExecuteBatch();
-        }
 
         /// <summary>
         /// 文件数据解密
@@ -147,3 +104,4 @@ namespace YooAsset
         protected abstract byte[] DecryptData(byte[] data);
     }
 }
+*/

Assets/YooAsset/Runtime/FileCache/Services/XXXDefaultLoadWebAssetBundleOperation.cs

@@ -1,5 +1,6 @@
 using UnityEngine;
 
+/*
 namespace YooAsset
 {
     /// <summary>
@@ -247,3 +248,4 @@ namespace YooAsset
         }
     }
 }
+*/

Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs

@@ -96,7 +96,7 @@ namespace YooAsset
         /// <param name="packageRoot">文件系统的根目录</param>
         public static FileSystemParameters CreateDefaultCacheFileSystemParameters(IRemoteServices remoteServices, string packageRoot = null)
         {
-            string fileSystemClass = typeof(CacheFileSystem).FullName;
+            string fileSystemClass = typeof(SandboxFileSystem).FullName;
             var fileSystemParams = new FileSystemParameters(fileSystemClass, packageRoot);
             fileSystemParams.AddParameter(FileSystemParametersDefine.REMOTE_SERVICES, remoteServices);
             return fileSystemParams;

Assets/YooAsset/Runtime/FileSystem/FileSystemParametersDefine.cs

@@ -24,25 +24,25 @@ namespace YooAsset
         public const string REMOTE_SERVICES = "REMOTE_SERVICES";
 
         /// <summary>
-        /// 资源清单服务类 <see cref=IManifestRestoreServices>
+        /// AssetBundle 解密器 <see cref=IBundleDecryptor>
         /// </summary>
-        public const string MANIFEST_RESTORE_SERVICES = "MANIFEST_RESTORE_SERVICES";
+        public const string ASSETBUNDLE_DECRYPTOR = "ASSETBUNDLE_DECRYPTOR";
 
         /// <summary>
         /// 禁用Unity的网络缓存 <see cref=bool>
         /// </summary>
         public const string DISABLE_UNITY_WEB_CACHE = "DISABLE_UNITY_WEB_CACHE";
 
-        /// <summary>
-        /// 禁用边玩边下机制 <see cref=bool>
-        /// </summary>
-        public const string DISABLE_ONDEMAND_DOWNLOAD = "DISABLE_ONDEMAND_DOWNLOAD";
-
         /// <summary>
         /// UnityWebRequest 创建委托 <see cref=UnityWebRequestCreator>
         /// </summary>
         public const string UNITY_WEB_REQUEST_CREATOR = "UNITY_WEB_REQUEST_CREATOR";
 
+        /// <summary>
+        /// 禁用边玩边下机制 <see cref=bool>
+        /// </summary>
+        public const string DOWNLOAD_DISABLE_ONDEMAND = "DOWNLOAD_DISABLE_ONDEMAND";
+
         /// <summary>
         /// 下载后台接口 <see cref=IDownloadBackend>
         /// </summary>
@@ -66,12 +66,12 @@ namespace YooAsset
         /// <summary>
         /// 启用断点续传的最小尺寸 <see cref=long>
         /// </summary>
-        public const string RESUME_DOWNLOAD_MINMUM_SIZE = "RESUME_DOWNLOAD_MINMUM_SIZE";
+        public const string DOWNLOAD_RESUME_MINMUM_SIZE = "DOWNLOAD_RESUME_MINMUM_SIZE";
 
         /// <summary>
         /// 断点续传下载器关注的错误码 <see cref=List<long>>
         /// </summary>
-        public const string RESUME_DOWNLOAD_RESPONSE_CODES = "RESUME_DOWNLOAD_RESPONSE_CODES";
+        public const string DOWNLOAD_RESUME_RESPONSE_CODES = "DOWNLOAD_RESUME_RESPONSE_CODES";
 
         /// <summary>
         /// 模拟WebGL平台模式 <see cref=bool>
@@ -112,5 +112,20 @@ namespace YooAsset
         /// 解压文件系统的根目录 <see cref=string>
         /// </summary>
         public const string UNPACK_FILE_SYSTEM_ROOT = "UNPACK_FILE_SYSTEM_ROOT";
+
+        /// <summary>
+        /// RawBundle 解密器 <see cref=IBundleDecryptor>
+        /// </summary>
+        public const string RAWBUNDLE_DECRYPTOR = "RAWBUNDLE_DECRYPTOR";
+
+        /// <summary>
+        /// AssetBundle 备用解密器 <see cref=IBundleMemoryDecryptor>
+        /// </summary>
+        public const string ASSETBUNDLE_FALLBACK_DECRYPTOR = "ASSETBUNDLE_FALLBACK_DECRYPTOR";
+
+        /// <summary>
+        /// 资源清单解密器 <see cref=IManifestDecryptor>
+        /// </summary>
+        public const string MANIFEST_DECRYPTOR = "MANIFEST_DECRYPTOR";
     }
 }

Assets/YooAsset/Runtime/FileSystem/Services/BuiltinFileSystem/BuiltinFileSystem.cs

@@ -93,9 +93,24 @@ namespace YooAsset
         public int UnpackMaxRequestPerFrame { private set; get; }
 
         /// <summary>
-        /// 自定义参数：资源清单服务类
+        /// 自定义参数：AssetBundle 解密器
         /// </summary>
-        public IManifestRestoreServices ManifestRestoreServices { private set; get; }
+        public IBundleDecryptor AssetBundleDecryptor { get; set; }
+
+        /// <summary>
+        /// 自定义参数：RawBundle 解密器
+        /// </summary>
+        public IBundleDecryptor RawBundleDecryptor { get; set; }
+
+        /// <summary>
+        /// 自定义参数：AssetBundle 备用解密器
+        /// </summary>
+        public IBundleMemoryDecryptor AssetBundleFallbackDecryptor { get; set; }
+
+        /// <summary>
+        /// 自定义参数：资源清单解密器
+        /// </summary>
+        public IManifestDecryptor ManifestDecryptor { private set; get; }
         #endregion
 
 
@@ -190,9 +205,21 @@ namespace YooAsset
                 // 限制在合理范围内：1-32          
                 UnpackMaxRequestPerFrame = Mathf.Clamp(convertValue, 1, 32);
             }
-            else if (name == FileSystemParametersDefine.MANIFEST_RESTORE_SERVICES)
+            else if (name == FileSystemParametersDefine.ASSETBUNDLE_DECRYPTOR)
             {
-                ManifestRestoreServices = (IManifestRestoreServices)value;
+                AssetBundleDecryptor = (IBundleDecryptor)value;
+            }
+            else if (name == FileSystemParametersDefine.RAWBUNDLE_DECRYPTOR)
+            {
+                RawBundleDecryptor = (IBundleDecryptor)value;
+            }
+            else if (name == FileSystemParametersDefine.ASSETBUNDLE_FALLBACK_DECRYPTOR)
+            {
+                AssetBundleFallbackDecryptor = (IBundleMemoryDecryptor)value;
+            }
+            else if (name == FileSystemParametersDefine.MANIFEST_DECRYPTOR)
+            {
+                ManifestDecryptor = (IManifestDecryptor)value;
             }
             else
             {
@@ -218,13 +245,15 @@ namespace YooAsset
                 unpackRoot = GetDefaultUnpackCacheRoot(packageName);
             else
                 unpackRoot = UnpackFileSystemRoot;
-            _unpackManifestFilesRoot = PathUtility.Combine(unpackRoot, BuiltinFileSystemConstants.UnpackManifestFilesFolderName);
+            _unpackManifestFilesRoot = PathUtility.Combine(unpackRoot, BuiltinFileSystemDefine.UnpackManifestFilesFolderName);
-            _unpackBundleFilesRoot = PathUtility.Combine(unpackRoot, BuiltinFileSystemConstants.UnpackBundleFilesFolderName);
+            _unpackBundleFilesRoot = PathUtility.Combine(unpackRoot, BuiltinFileSystemDefine.UnpackBundleFilesFolderName);
-            _unpackTempFilesRoot = PathUtility.Combine(unpackRoot, BuiltinFileSystemConstants.UnpackTempFilesFolderName);
+            _unpackTempFilesRoot = PathUtility.Combine(unpackRoot, BuiltinFileSystemDefine.UnpackTempFilesFolderName);
 
             // 创建内置缓存对象
             {
                 var cacheConfig = new BuiltinFileCache.CacheConfig();
+                cacheConfig.AssetBundleDecryptor = AssetBundleDecryptor;
+                cacheConfig.RawBundleDecryptor = RawBundleDecryptor;
                 cacheConfig.DownloadBackend = DownloadBackend;
                 BuiltinFileCache = new BuiltinFileCache(packageName, _packageRoot, cacheConfig);
             }
@@ -232,8 +261,11 @@ namespace YooAsset
             // 创建沙盒缓存对象
             {
                 var cacheConfig = new SandboxFileCache.CacheConfig();
-                cacheConfig.FileVerifyLevel = FileVerifyLevel;
                 cacheConfig.FileVerifyMaxConcurrency = FileVerifyMaxConcurrency;
+                cacheConfig.FileVerifyLevel = FileVerifyLevel;
+                cacheConfig.AssetBundleDecryptor = AssetBundleDecryptor;
+                cacheConfig.RawBundleDecryptor = RawBundleDecryptor;
+                cacheConfig.AssetBundleFallbackDecryptor = AssetBundleFallbackDecryptor;
                 UnpackFileCache = new SandboxFileCache(packageName, _unpackBundleFilesRoot, cacheConfig);
             }
         }
@@ -341,7 +373,7 @@ namespace YooAsset
         }
         public string GetSandboxAppFootPrintFilePath()
         {
-            return PathUtility.Combine(_unpackManifestFilesRoot, DefaultCacheFileSystemDefine.AppFootPrintFileName);
+            return PathUtility.Combine(_unpackManifestFilesRoot, SandboxFileSystemDefine.AppFootPrintFileName);
         }
 
         /// <summary>

Assets/YooAsset/Runtime/FileSystem/Services/BuiltinFileSystem/BuiltinFileSystemDefine.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class BuiltinFileSystemConstants
+    internal class BuiltinFileSystemDefine
     {
         /// <summary>
         /// 解压清单文件的文件夹名称

Assets/YooAsset/Runtime/FileSystem/Services/BuiltinFileSystem/Operations/BFSInitializeOperation.cs

@@ -1,4 +1,4 @@
-
+
 namespace YooAsset
 {
     internal class BFSInitializeOperation : FSInitializeOperation
@@ -45,7 +45,7 @@ namespace YooAsset
                 var appFootprint = new ApplicationFootprint(footprintFilePath);
                 appFootprint.Load(_fileSystem.PackageName);
 
-                // <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˮӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>仯<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>װ<EFBFBD><EFBFBD><EFBFBD>״δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϸ
+                // 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())
                 {
                     if (_fileSystem.InstallClearMode == EInstallCleanupMode.None)
@@ -163,8 +163,8 @@ namespace YooAsset
 
             if (_steps == ESteps.CreateScheduler)
             {
-                // ע<EFBFBD><EFBFBD>: <20><><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD><D6B9>ʼ<EFBFBD><CABC>ʧ<EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+                // 注意: 下载调度中心在最后一步创建，防止初始化失败后残留任务。
-                // ע<EFBFBD><EFBFBD>: <20><><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>
+                // 注意: 下载调度中心作为独立任务运行！
                 if (_fileSystem.UnpackScheduler == null)
                 {
                     var schedulerConfig = new DownloadSchedulerOperation.SchedulerConfig();

Assets/YooAsset/Runtime/FileSystem/Services/BuiltinFileSystem/Operations/internal/CopyBuiltinFileOperation.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.IO;
 
 namespace YooAsset
@@ -77,7 +77,7 @@ namespace YooAsset
             {
                 if (_webFileRequestOp == null)
                 {
-                    //TODO <EFBFBD>Ž<EFBFBD><EFBFBD><EFBFBD><EFBFBD>棬<EFBFBD><EFBFBD>ijЩ<EFBFBD><EFBFBD>׿<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ף<EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>UnityWebRequest<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>
+                    //TODO 团结引擎，在某些安卓机型（红米），通过UnityWebRequest拷贝包内文件会小概率失败！需要借助其它方式来拷贝包内文件。
                     string url = DownloadSystemTools.ToLocalUrl(_sourceFilePath);
                     var args = new DownloadFileRequestArgs(url, _destFilePath, 60, 0);
                     _webFileRequestOp = _fileSystem.DownloadBackend.CreateFileRequest(args);
@@ -102,7 +102,7 @@ namespace YooAsset
         }
         internal override void InternalWaitForCompletion()
         {
-            //TODO <EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣߳<EFBFBD>
+            //TODO 等待解压本地文件完毕，该操作会挂起主线程！
             ExecuteUntilComplete();
         }
     }

Assets/YooAsset/Runtime/FileSystem/Services/BuiltinFileSystem/Operations/internal/CopyBuiltinPackageManifest.cs

@@ -120,7 +120,7 @@ namespace YooAsset
             if (string.IsNullOrEmpty(destRoot))
             {
                 string defaultCacheRoot = YooAssetSettingsData.GetYooDefaultCacheRoot();
-                destRoot = PathUtility.Combine(defaultCacheRoot, _fileSystem.PackageName, DefaultCacheFileSystemDefine.ManifestFilesFolderName);
+                destRoot = PathUtility.Combine(defaultCacheRoot, _fileSystem.PackageName, SandboxFileSystemDefine.ManifestFilesFolderName);
             }
             return destRoot;
         }

Assets/YooAsset/Runtime/FileSystem/Services/BuiltinFileSystem/Operations/internal/LoadBuiltinPackageManifestOperation.cs

@@ -102,7 +102,7 @@ namespace YooAsset
             {
                 if (_deserializer == null)
                 {
-                    _deserializer = new DeserializeManifestOperation(_fileSystem.ManifestRestoreServices, _fileData);
+                    _deserializer = new DeserializeManifestOperation(_fileSystem.ManifestDecryptor, _fileData);
                     _deserializer.StartOperation();
                     AddChildOperation(_deserializer);
                 }

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/Internal/DownloadAndCacheFileOperation.cs

@@ -13,7 +13,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly string _tempFilePath;
         private bool _enableResume = false;
         private long _fileOriginLength = 0;
@@ -21,7 +21,7 @@ namespace YooAsset
         private FCWriteCacheOperation _writeCacheOp;
         private ESteps _steps = ESteps.None;
 
-        internal DownloadAndCacheFileOperation(CacheFileSystem fileSystem, PackageBundle bundle, string url) : base(bundle, url)
+        internal DownloadAndCacheFileOperation(SandboxFileSystem fileSystem, PackageBundle bundle, string url) : base(bundle, url)
         {
             _fileSystem = fileSystem;
             _tempFilePath = _fileSystem.GetTempFilePath(bundle);

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/Internal/DownloadPackageHashOperation.cs

@@ -12,7 +12,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly string _packageVersion;
         private readonly int _timeout;
         private IDownloadFileRequest _webFileRequestOp;
@@ -20,7 +20,7 @@ namespace YooAsset
         private ESteps _steps = ESteps.None;
 
 
-        internal DownloadPackageHashOperation(CacheFileSystem fileSystem, string packageVersion, int timeout)
+        internal DownloadPackageHashOperation(SandboxFileSystem fileSystem, string packageVersion, int timeout)
         {
             _fileSystem = fileSystem;
             _packageVersion = packageVersion;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/Internal/DownloadPackageManifestOperation.cs

@@ -12,7 +12,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly string _packageVersion;
         private readonly int _timeout;
         private IDownloadFileRequest _webFileRequestOp;
@@ -20,7 +20,7 @@ namespace YooAsset
         private ESteps _steps = ESteps.None;
 
 
-        internal DownloadPackageManifestOperation(CacheFileSystem fileSystem, string packageVersion, int timeout)
+        internal DownloadPackageManifestOperation(SandboxFileSystem fileSystem, string packageVersion, int timeout)
         {
             _fileSystem = fileSystem;
             _packageVersion = packageVersion;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/Internal/ImportAndCacheFileOperation.cs

@@ -13,13 +13,13 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly string _sourceFilePath;
         private readonly string _tempFilePath;
         private FCWriteCacheOperation _bundleCacheOp;
         private ESteps _steps = ESteps.None;
 
-        internal ImportAndCacheFileOperation(CacheFileSystem fileSystem, PackageBundle bundle, string sourceFilePath) : base(bundle, sourceFilePath)
+        internal ImportAndCacheFileOperation(SandboxFileSystem fileSystem, PackageBundle bundle, string sourceFilePath) : base(bundle, sourceFilePath)
         {
             _fileSystem = fileSystem;
             _sourceFilePath = sourceFilePath;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/Internal/LoadCachePackageHashOperation.cs

@@ -11,7 +11,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly string _packageVersion;
         private ESteps _steps = ESteps.None;
 
@@ -21,7 +21,7 @@ namespace YooAsset
         public string PackageHash { private set; get; }
 
 
-        internal LoadCachePackageHashOperation(CacheFileSystem fileSystem, string packageVersion)
+        internal LoadCachePackageHashOperation(SandboxFileSystem fileSystem, string packageVersion)
         {
             _fileSystem = fileSystem;
             _packageVersion = packageVersion;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/Internal/LoadCachePackageManifestOperation.cs

@@ -13,7 +13,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly string _packageVersion;
         private readonly string _packageHash;
         private DeserializeManifestOperation _deserializer;
@@ -26,7 +26,7 @@ namespace YooAsset
         public PackageManifest Manifest { private set; get; }
 
 
-        internal LoadCachePackageManifestOperation(CacheFileSystem fileSystem, string packageVersion, string packageHash)
+        internal LoadCachePackageManifestOperation(SandboxFileSystem fileSystem, string packageVersion, string packageHash)
         {
             _fileSystem = fileSystem;
             _packageVersion = packageVersion;
@@ -75,7 +75,7 @@ namespace YooAsset
             {
                 if (_deserializer == null)
                 {
-                    _deserializer = new DeserializeManifestOperation(_fileSystem.ManifestRestoreServices, _fileData);
+                    _deserializer = new DeserializeManifestOperation(_fileSystem.ManifestDecryptor, _fileData);
                     _deserializer.StartOperation();
                     AddChildOperation(_deserializer);
                 }

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/Internal/RequestRemotePackageVersionOperation.cs

@@ -10,7 +10,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly bool _appendTimeTicks;
         private readonly int _timeout;
         private IDownloadTextRequest _webTextRequestOp;
@@ -23,7 +23,7 @@ namespace YooAsset
         internal string PackageVersion { set; get; }
 
 
-        internal RequestRemotePackageVersionOperation(CacheFileSystem fileSystem, bool appendTimeTicks, int timeout)
+        internal RequestRemotePackageVersionOperation(SandboxFileSystem fileSystem, bool appendTimeTicks, int timeout)
         {
             _fileSystem = fileSystem;
             _appendTimeTicks = appendTimeTicks;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/SFSClearCacheOperation.cs

@@ -3,7 +3,7 @@ using System.IO;
 
 namespace YooAsset
 {
-    internal class CFSClearCacheOperation : FSClearCacheOperation
+    internal class SFSClearCacheOperation : FSClearCacheOperation
     {
         private enum ESteps
         {
@@ -12,12 +12,12 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly ClearCacheOptions _options;
         private FCClearCacheOperation _clearCacheOp;
         private ESteps _steps = ESteps.None;
 
-        internal CFSClearCacheOperation(CacheFileSystem fileSystem, ClearCacheOptions options)
+        internal SFSClearCacheOperation(SandboxFileSystem fileSystem, ClearCacheOptions options)
         {
             _fileSystem = fileSystem;
             _options = options;
@@ -68,10 +68,10 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private ESteps _steps = ESteps.None;
 
-        internal CFSClearAllCacheManifestOperation(CacheFileSystem fileSystem)
+        internal CFSClearAllCacheManifestOperation(SandboxFileSystem fileSystem)
         {
             _fileSystem = fileSystem;
         }
@@ -96,7 +96,7 @@ namespace YooAsset
                         foreach (FileInfo fileInfo in directoryInfo.GetFiles())
                         {
                             string fileName = fileInfo.Name;
-                            if (fileName == DefaultCacheFileSystemDefine.AppFootPrintFileName)
+                            if (fileName == SandboxFileSystemDefine.AppFootPrintFileName)
                                 continue;
 
                             fileInfo.Delete();
@@ -126,11 +126,11 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly PackageManifest _manifest;
         private ESteps _steps = ESteps.None;
 
-        internal CFSClearUnusedCacheManifestOperation(CacheFileSystem fileSystem, PackageManifest manifest)
+        internal CFSClearUnusedCacheManifestOperation(SandboxFileSystem fileSystem, PackageManifest manifest)
         {
             _fileSystem = fileSystem;
             _manifest = manifest;
@@ -173,7 +173,7 @@ namespace YooAsset
                         foreach (FileInfo fileInfo in directoryInfo.GetFiles())
                         {
                             string fileName = fileInfo.Name;
-                            if (fileName == DefaultCacheFileSystemDefine.AppFootPrintFileName)
+                            if (fileName == SandboxFileSystemDefine.AppFootPrintFileName)
                                 continue;
                             if (fileName == activeManifestFileName || fileName == activeHashFileName)
                                 continue;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/SFSDownloadFileOperation.cs

@@ -2,7 +2,7 @@ using UnityEngine;
 
 namespace YooAsset
 {
-    internal class CFSDownloadFileOperation : FSDownloadFileOperation
+    internal class SFSDownloadFileOperation : FSDownloadFileOperation
     {
         protected enum ESteps
         {
@@ -13,7 +13,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly DownloadFileOptions _options;
         private DownloadFileBaseOperation _downloadFileOp;
         private ESteps _steps = ESteps.None;
@@ -23,7 +23,7 @@ namespace YooAsset
         private float _tryAgainTimer = 0;
         private int _failedTryAgain;
 
-        internal CFSDownloadFileOperation(CacheFileSystem fileSystem, DownloadFileOptions options) : base(options.Bundle)
+        internal SFSDownloadFileOperation(SandboxFileSystem fileSystem, DownloadFileOptions options) : base(options.Bundle)
         {
             _fileSystem = fileSystem;
             _options = options;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/SFSInitializeOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class CFSInitializeOperation : FSInitializeOperation
+    internal class SFSInitializeOperation : FSInitializeOperation
     {
         private enum ESteps
         {
@@ -12,12 +12,12 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private FCInitializeOperation _initializeFileCacheOp;
         private ESteps _steps = ESteps.None;
 
 
-        internal CFSInitializeOperation(CacheFileSystem fileSystem)
+        internal SFSInitializeOperation(SandboxFileSystem fileSystem)
         {
             _fileSystem = fileSystem;
         }
@@ -45,29 +45,29 @@ namespace YooAsset
                 // 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())
                 {
-                    if (_fileSystem.InstallClearMode == EInstallCleanupMode.None)
+                    if (_fileSystem.InstallCleanupMode == EInstallCleanupMode.None)
                     {
                         YooLogger.Warning("Do nothing when overwrite install application.");
                     }
-                    else if (_fileSystem.InstallClearMode == EInstallCleanupMode.ClearAllCacheFiles)
+                    else if (_fileSystem.InstallCleanupMode == EInstallCleanupMode.ClearAllCacheFiles)
                     {
                         _fileSystem.DeleteAllBundleFiles();
                         _fileSystem.DeleteAllManifestFiles();
                         YooLogger.Warning("Delete all cache files when overwrite install application.");
                     }
-                    else if (_fileSystem.InstallClearMode == EInstallCleanupMode.ClearAllBundleFiles)
+                    else if (_fileSystem.InstallCleanupMode == EInstallCleanupMode.ClearAllBundleFiles)
                     {
                         _fileSystem.DeleteAllBundleFiles();
                         YooLogger.Warning("Delete all bundle files when overwrite install application.");
                     }
-                    else if (_fileSystem.InstallClearMode == EInstallCleanupMode.ClearAllManifestFiles)
+                    else if (_fileSystem.InstallCleanupMode == EInstallCleanupMode.ClearAllManifestFiles)
                     {
                         _fileSystem.DeleteAllManifestFiles();
                         YooLogger.Warning("Delete all manifest files when overwrite install application.");
                     }
                     else
                     {
-                        throw new System.NotImplementedException(_fileSystem.InstallClearMode.ToString());
+                        throw new System.NotImplementedException(_fileSystem.InstallCleanupMode.ToString());
                     }
 
                     appFootprint.Coverage(_fileSystem.PackageName);

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/SFSLoadBundleOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class CFSLoadBundleOperation : FSLoadBundleOperation
+    internal class SFSLoadBundleOperation : FSLoadBundleOperation
     {
         private enum ESteps
         {
@@ -14,13 +14,13 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly LoadBundleOptions _options;
         private FSDownloadFileOperation _downloadFileOp;
         private FCLoadBundleOperation _loadBundleOp;
         private ESteps _steps = ESteps.None;
 
-        internal CFSLoadBundleOperation(CacheFileSystem fileSystem, LoadBundleOptions options)
+        internal SFSLoadBundleOperation(SandboxFileSystem fileSystem, LoadBundleOptions options)
         {
             _fileSystem = fileSystem;
             _options = options;
@@ -139,7 +139,7 @@ namespace YooAsset
                     {
                         _steps = ESteps.Done;
                         Status = EOperationStatus.Failed;
-                        Error = "Loaded bundle result is null.";
+                        Error = "Fatal error: loaded bundle result is null.";
                         YooLogger.Error(Error);
                     }
                     else

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/SFSLoadManifestOperation.cs

@@ -2,7 +2,7 @@
 
 namespace YooAsset
 {
-    internal class CFSLoadPackageManifestOperation : FSLoadManifestOperation
+    internal class SFSLoadPackageManifestOperation : FSLoadManifestOperation
     {
         private enum ESteps
         {
@@ -14,7 +14,7 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly string _packageVersion;
         private readonly int _timeout;
         private DownloadPackageHashOperation _downloadPackageHashOp;
@@ -24,7 +24,7 @@ namespace YooAsset
         private ESteps _steps = ESteps.None;
 
 
-        internal CFSLoadPackageManifestOperation(CacheFileSystem fileSystem, string packageVersion, int timeout)
+        internal SFSLoadPackageManifestOperation(SandboxFileSystem fileSystem, string packageVersion, int timeout)
         {
             _fileSystem = fileSystem;
             _packageVersion = packageVersion;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/Operations/SFSRequestVersionOperation.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class CFSRequestPackageVersionOperation : FSRequestVersionOperation
+    internal class SFSRequestPackageVersionOperation : FSRequestVersionOperation
     {
         private enum ESteps
         {
@@ -10,14 +10,14 @@ namespace YooAsset
             Done,
         }
 
-        private readonly CacheFileSystem _fileSystem;
+        private readonly SandboxFileSystem _fileSystem;
         private readonly bool _appendTimeTicks;
         private readonly int _timeout;
         private RequestRemotePackageVersionOperation _requestRemotePackageVersionOp;
         private ESteps _steps = ESteps.None;
 
 
-        internal CFSRequestPackageVersionOperation(CacheFileSystem fileSystem, bool appendTimeTicks, int timeout)
+        internal SFSRequestPackageVersionOperation(SandboxFileSystem fileSystem, bool appendTimeTicks, int timeout)
         {
             _fileSystem = fileSystem;
             _appendTimeTicks = appendTimeTicks;

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/SandboxFileSystem.cs

@@ -7,10 +7,9 @@ using UnityEngine;
 namespace YooAsset
 {
     /// <summary>
-    /// 缓存文件系统
+    /// 沙盒文件系统
-    /// 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 CacheFileSystem : IFileSystem
+    internal class SandboxFileSystem : IFileSystem
     {
         protected readonly Dictionary<string, string> _tempFilePathMapping = new Dictionary<string, string>(10000);
         protected string _packageRoot;
@@ -52,12 +51,12 @@ namespace YooAsset
         /// <summary>
         /// 自定义参数：覆盖安装缓存清理模式
         /// </summary>
-        public EInstallCleanupMode InstallClearMode { private set; get; } = EInstallCleanupMode.ClearAllManifestFiles;
+        public EInstallCleanupMode InstallCleanupMode { private set; get; } = EInstallCleanupMode.None;
 
         /// <summary>
         /// 自定义参数：初始化的时候缓存文件校验级别
         /// </summary>
-        public EFileVerifyLevel FileVerifyLevel { private set; get; } = EFileVerifyLevel.Middle;
+        public EFileVerifyLevel FileVerifyLevel { private set; get; } = EFileVerifyLevel.Low;
 
         /// <summary>
         /// 自定义参数：初始化的时候缓存文件校验最大并发数
@@ -101,27 +100,42 @@ namespace YooAsset
         public List<long> ResumeDownloadResponseCodes { private set; get; } = null;
 
         /// <summary>
-        /// 自定义参数：资源清单服务类
+        /// 自定义参数：AssetBundle 解密器
         /// </summary>
-        public IManifestRestoreServices ManifestRestoreServices { private set; get; }
+        public IBundleDecryptor AssetBundleDecryptor { get; set; }
+
+        /// <summary>
+        /// 自定义参数：RawBundle 解密器
+        /// </summary>
+        public IBundleDecryptor RawBundleDecryptor { get; set; }
+
+        /// <summary>
+        /// 自定义参数：AssetBundle 备用解密器
+        /// </summary>
+        public IBundleMemoryDecryptor AssetBundleFallbackDecryptor { get; set; }
+
+        /// <summary>
+        /// 自定义参数：资源清单解密器
+        /// </summary>
+        public IManifestDecryptor ManifestDecryptor { private set; get; }
         #endregion
 
-        public CacheFileSystem()
+        public SandboxFileSystem()
         {
         }
         public virtual FSInitializeOperation InitializeAsync()
         {
-            var operation = new CFSInitializeOperation(this);
+            var operation = new SFSInitializeOperation(this);
             return operation;
         }
         public virtual FSRequestVersionOperation RequestVersionAsync(RequestVersionOptions options)
         {
-            var operation = new CFSRequestPackageVersionOperation(this, options.AppendTimeTicks, options.Timeout);
+            var operation = new SFSRequestPackageVersionOperation(this, options.AppendTimeTicks, options.Timeout);
             return operation;
         }
         public virtual FSLoadManifestOperation LoadManifestAsync(LoadManifestOptions options)
         {
-            var operation = new CFSLoadPackageManifestOperation(this, options.PackageVersion, options.Timeout);
+            var operation = new SFSLoadPackageManifestOperation(this, options.PackageVersion, options.Timeout);
             return operation;
         }
         public virtual FSClearCacheOperation ClearCacheAsync(ClearCacheOptions options)
@@ -138,18 +152,18 @@ namespace YooAsset
             }
             else
             {
-                var operation = new CFSClearCacheOperation(this, options);
+                var operation = new SFSClearCacheOperation(this, options);
                 return operation;
             }
         }
         public virtual FSDownloadFileOperation DownloadFileAsync(DownloadFileOptions options)
         {
-            var downloader = new CFSDownloadFileOperation(this, options);
+            var downloader = new SFSDownloadFileOperation(this, options);
             return downloader;
         }
         public virtual FSLoadBundleOperation LoadBundleAsync(LoadBundleOptions options)
         {
-            var operation = new CFSLoadBundleOperation(this, options);
+            var operation = new SFSLoadBundleOperation(this, options);
             return operation;
         }
 
@@ -169,7 +183,7 @@ namespace YooAsset
             }
             else if (name == FileSystemParametersDefine.INSTALL_CLEAR_MODE)
             {
-                InstallClearMode = (EInstallCleanupMode)value;
+                InstallCleanupMode = (EInstallCleanupMode)value;
             }
             else if (name == FileSystemParametersDefine.FILE_VERIFY_LEVEL)
             {
@@ -186,7 +200,7 @@ namespace YooAsset
                 // 限制在合理范围内：1-32                                                                            
                 FileVerifyMaxConcurrency = Mathf.Clamp(convertValue, 1, 32);
             }
-            else if (name == FileSystemParametersDefine.DISABLE_ONDEMAND_DOWNLOAD)
+            else if (name == FileSystemParametersDefine.DOWNLOAD_DISABLE_ONDEMAND)
             {
                 DisableOnDemandDownload = Convert.ToBoolean(value);
             }
@@ -217,17 +231,29 @@ namespace YooAsset
                 int convertValue = Convert.ToInt32(value);
                 DownloadWatchDogTimeout = Mathf.Clamp(convertValue, 0, int.MaxValue);
             }
-            else if (name == FileSystemParametersDefine.RESUME_DOWNLOAD_MINMUM_SIZE)
+            else if (name == FileSystemParametersDefine.DOWNLOAD_RESUME_MINMUM_SIZE)
             {
                 ResumeDownloadMinimumSize = Convert.ToInt64(value);
             }
-            else if (name == FileSystemParametersDefine.RESUME_DOWNLOAD_RESPONSE_CODES)
+            else if (name == FileSystemParametersDefine.DOWNLOAD_RESUME_RESPONSE_CODES)
             {
                 ResumeDownloadResponseCodes = (List<long>)value;
             }
-            else if (name == FileSystemParametersDefine.MANIFEST_RESTORE_SERVICES)
+            else if (name == FileSystemParametersDefine.ASSETBUNDLE_DECRYPTOR)
             {
-                ManifestRestoreServices = (IManifestRestoreServices)value;
+                AssetBundleDecryptor = (IBundleDecryptor)value;
+            }
+            else if (name == FileSystemParametersDefine.RAWBUNDLE_DECRYPTOR)
+            {
+                RawBundleDecryptor = (IBundleDecryptor)value;
+            }
+            else if (name == FileSystemParametersDefine.ASSETBUNDLE_FALLBACK_DECRYPTOR)
+            {
+                AssetBundleFallbackDecryptor = (IBundleMemoryDecryptor)value;
+            }
+            else if (name == FileSystemParametersDefine.MANIFEST_DECRYPTOR)
+            {
+                ManifestDecryptor = (IManifestDecryptor)value;
             }
             else
             {
@@ -243,15 +269,18 @@ namespace YooAsset
             else
                 _packageRoot = packageRoot;
 
-            _cacheBundleFilesRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.BundleFilesFolderName);
+            _cacheBundleFilesRoot = PathUtility.Combine(_packageRoot, SandboxFileSystemDefine.BundleFilesFolderName);
-            _cacheManifestFilesRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.ManifestFilesFolderName);
+            _cacheManifestFilesRoot = PathUtility.Combine(_packageRoot, SandboxFileSystemDefine.ManifestFilesFolderName);
-            _tempFilesRoot = PathUtility.Combine(_packageRoot, DefaultCacheFileSystemDefine.TempFilesFolderName);
+            _tempFilesRoot = PathUtility.Combine(_packageRoot, SandboxFileSystemDefine.TempFilesFolderName);
 
             // 创建文件缓存系统
             {
                 var cacheConfig = new SandboxFileCache.CacheConfig();
-                cacheConfig.FileVerifyLevel = FileVerifyLevel;
                 cacheConfig.FileVerifyMaxConcurrency = FileVerifyMaxConcurrency;
+                cacheConfig.FileVerifyLevel = FileVerifyLevel;
+                cacheConfig.AssetBundleDecryptor = AssetBundleDecryptor;
+                cacheConfig.RawBundleDecryptor = RawBundleDecryptor;
+                cacheConfig.AssetBundleFallbackDecryptor = AssetBundleFallbackDecryptor;
                 FileCache = new SandboxFileCache(PackageName, _cacheBundleFilesRoot, cacheConfig);
             }
 
@@ -326,7 +355,7 @@ namespace YooAsset
         }
         public string GetSandboxAppFootPrintFilePath()
         {
-            return PathUtility.Combine(_cacheManifestFilesRoot, DefaultCacheFileSystemDefine.AppFootPrintFileName);
+            return PathUtility.Combine(_cacheManifestFilesRoot, SandboxFileSystemDefine.AppFootPrintFileName);
         }
         public string GetTempFilePath(PackageBundle bundle)
         {

Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/SandboxFileSystemDefine.cs

@@ -1,7 +1,7 @@
 
 namespace YooAsset
 {
-    internal class DefaultCacheFileSystemDefine
+    internal class SandboxFileSystemDefine
     {
         /// <summary>
         /// 记录应用程序版本的文件名称

Assets/YooAsset/Runtime/FileSystem/Services/WebGameFileSystem/Operations/LoadWebAssetBundleOperation.cs

@@ -1,55 +0,0 @@
-using UnityEngine;
-
-namespace YooAsset
-{
-    /// <summary>
-    /// 加载 AssetBundle 的抽象基类
-    /// 用户可继承此类实现自定义加载逻辑（如加密解密）
-    /// </summary>
-    public abstract class LoadWebAssetBundleOperation : AsyncOperationBase
-    {
-        protected readonly LoadWebAssetBundleOptions _options;
-
-        /// <summary>
-        /// 加载结果：AssetBundle 对象
-        /// </summary>
-        public AssetBundle Result { get; protected set; }
-
-        /// <summary>
-        /// 下载进度
-        /// </summary>
-        public float DownloadProgress { protected set; get; }
-
-        /// <summary>
-        /// 下载大小
-        /// </summary>
-        public long DownloadedBytes { protected set; get; }
-
-        public LoadWebAssetBundleOperation(LoadWebAssetBundleOptions options)
-        {
-            _options = options;
-        }
-    }
-
-    /// <summary>
-    /// 立即完成（失败）的 AssetBundle 加载操作
-    /// 用途：当 Factory 判定某种场景不支持（例如默认实现不支持加密包）时，返回该 Operation
-    /// </summary>
-    public sealed class LoadWebAssetBundleCompleteOperation : LoadWebAssetBundleOperation
-    {
-        private readonly string _error;
-
-        public LoadWebAssetBundleCompleteOperation(string error, LoadWebAssetBundleOptions options) : base(options)
-        {
-            _error = error;
-        }
-        internal override void InternalStart()
-        {
-            Status = EOperationStatus.Failed;
-            Error = _error;
-        }
-        internal override void InternalUpdate()
-        {
-        }
-    }
-}

Assets/YooAsset/Runtime/FileSystem/Services/WebGameFileSystem/Operations/LoadWebAssetBundleOptions.cs

@@ -1,44 +0,0 @@
-
-namespace YooAsset
-{
-    /// <summary>
-    /// 加载 AssetBundle 的上下文信息
-    /// </summary>
-    public struct LoadWebAssetBundleOptions
-    {
-        /// <summary>
-        /// 资源包信息
-        /// </summary>
-        internal PackageBundle Bundle { get; set; }
-
-        /// <summary>
-        /// 失败后重试次数
-        /// </summary>
-        internal int RetryCount { get; set; }
-
-        /// <summary>
-        /// 看门狗超时时间
-        /// </summary>
-        internal int WatchdogTimeout { get; set; }
-
-        /// <summary>
-        /// 下载后台接口
-        /// </summary>
-        internal IDownloadBackend DownloadBackend { get; set; }
-
-        /// <summary>
-        /// 禁用Unity的网络缓存
-        /// </summary>
-        internal bool DisableUnityWebCache { get; set; }
-
-        /// <summary>
-        /// 主资源地址
-        /// </summary>
-        internal string MainURL { get; set; }
-
-        /// <summary>
-        /// 备用资源地址
-        /// </summary>
-        internal string FallbackURL { get; set; }
-    }
-}

Assets/YooAsset/Runtime/FileSystem/Services/WebRemoteFileSystem/Operations/Internal/LoadWebPackageManifestOperation.cs

@@ -11,7 +11,7 @@ internal class LoadWebPackageManifestOperation : AsyncOperationBase
         Done,
     }
 
-    private readonly IManifestRestoreServices _manifestServices;
+    private readonly IManifestDecryptor _manifestDecryptor;
     private readonly IRemoteServices _remoteServices;
     private readonly IDownloadBackend _downloadBackend;
     private readonly string _packageName;
@@ -29,10 +29,10 @@ internal class LoadWebPackageManifestOperation : AsyncOperationBase
     public PackageManifest Manifest { private set; get; }
 
 
-    internal LoadWebPackageManifestOperation(IManifestRestoreServices manifestServices, IRemoteServices remoteServices, IDownloadBackend downloadBackend,
+    internal LoadWebPackageManifestOperation(IManifestDecryptor manifestDecryptor, IRemoteServices remoteServices, IDownloadBackend downloadBackend,
         string packageName, string packageVersion, string packageHash, int timeout)
     {
-        _manifestServices = manifestServices;
+        _manifestDecryptor = manifestDecryptor;
         _remoteServices = remoteServices;
         _downloadBackend = downloadBackend;
         _packageName = packageName;
@@ -96,7 +96,7 @@ internal class LoadWebPackageManifestOperation : AsyncOperationBase
         {
             if (_deserializer == null)
             {
-                _deserializer = new DeserializeManifestOperation(_manifestServices, _webDataRequestOp.Result);
+                _deserializer = new DeserializeManifestOperation(_manifestDecryptor, _webDataRequestOp.Result);
                 _deserializer.StartOperation();
                 AddChildOperation(_deserializer);
             }