feat : web play mode support remote services

WebPlayMode支持跨域加载。

Assets/YooAsset/Runtime/FileSystem/DefaultWebRemoteFileSystem.meta

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Assets/YooAsset/Runtime/InitializeParameters.cs

@@ -170,7 +170,7 @@ namespace YooAsset
         /// <param name="disableUnityWebCache">禁用Unity的网络缓存</param>
         public static FileSystemParameters CreateDefaultWebFileSystemParameters(bool disableUnityWebCache = false)
         {
-            string fileSystemClass = typeof(DefaultWebFileSystem).FullName;
+            string fileSystemClass = typeof(DefaultWebServerFileSystem).FullName;
             var fileSystemParams = new FileSystemParameters(fileSystemClass, null);
             fileSystemParams.AddParameter(FileSystemParametersDefine.DISABLE_UNITY_WEB_CACHE, disableUnityWebCache);
             return fileSystemParams;
@@ -215,6 +215,7 @@ namespace YooAsset
     /// </summary>
     public class WebPlayModeParameters : InitializeParameters
     {
-        public FileSystemParameters WebFileSystemParameters;
+        public FileSystemParameters WebServerFileSystemParameters;
+        public FileSystemParameters WebRemoteFileSystemParameters;
     }
 }

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

@@ -333,14 +333,18 @@ namespace YooAsset
         private enum ESteps
         {
             None,
-            CreateFileSystem,
+            CreateWebServerFileSystem,
-            InitWebFileSystem,
+            InitWebServerFileSystem,
+            CreateWebRemoteFileSystem,
+            InitWebRemoteFileSystem,
+            CheckResult,
             Done,
         }
 
         private readonly WebPlayModeImpl _impl;
         private readonly WebPlayModeParameters _parameters;
-        private FSInitializeFileSystemOperation _initWebFileSystemOp;
+        private FSInitializeFileSystemOperation _initWebServerFileSystemOp;
+        private FSInitializeFileSystemOperation _initWebRemoteFileSystemOp;
         private ESteps _steps = ESteps.None;
 
         internal WebPlayModeInitializationOperation(WebPlayModeImpl impl, WebPlayModeParameters parameters)
@@ -350,54 +354,107 @@ namespace YooAsset
         }
         internal override void InternalOnStart()
         {
-            _steps = ESteps.CreateFileSystem;
+            _steps = ESteps.CreateWebServerFileSystem;
         }
         internal override void InternalOnUpdate()
         {
             if (_steps == ESteps.None || _steps == ESteps.Done)
                 return;
 
-            if (_steps == ESteps.CreateFileSystem)
+            if (_steps == ESteps.CreateWebServerFileSystem)
             {
-                if (_parameters.WebFileSystemParameters == null)
+                if (_parameters.WebServerFileSystemParameters == null)
+                {
+                    _steps = ESteps.CreateWebRemoteFileSystem;
+                    return;
+                }
+
+                _impl.WebServerFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.WebServerFileSystemParameters);
+                if (_impl.WebServerFileSystem == null)
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = "Web file system parameters is null";
+                    Error = "Failed to create web server file system";
                     return;
                 }
 
-                _impl.WebFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.WebFileSystemParameters);
+                _steps = ESteps.InitWebServerFileSystem;
-                if (_impl.WebFileSystem == null)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = "Failed to create web file system";
-                    return;
             }
 
-                _steps = ESteps.InitWebFileSystem;
+            if (_steps == ESteps.InitWebServerFileSystem)
-            }
-
-            if (_steps == ESteps.InitWebFileSystem)
             {
-                if (_initWebFileSystemOp == null)
+                if (_initWebServerFileSystemOp == null)
-                    _initWebFileSystemOp = _impl.WebFileSystem.InitializeFileSystemAsync();
+                    _initWebServerFileSystemOp = _impl.WebServerFileSystem.InitializeFileSystemAsync();
 
-                Progress = _initWebFileSystemOp.Progress;
+                Progress = _initWebServerFileSystemOp.Progress;
-                if (_initWebFileSystemOp.IsDone == false)
+                if (_initWebServerFileSystemOp.IsDone == false)
                     return;
 
-                if (_initWebFileSystemOp.Status == EOperationStatus.Succeed)
+                if (_initWebServerFileSystemOp.Status == EOperationStatus.Succeed)
                 {
-                    _steps = ESteps.Done;
+                    _steps = ESteps.CreateWebRemoteFileSystem;
-                    Status = EOperationStatus.Succeed;
                 }
                 else
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = _initWebFileSystemOp.Error;
+                    Error = _initWebServerFileSystemOp.Error;
+                }
+            }
+
+            if (_steps == ESteps.CreateWebRemoteFileSystem)
+            {
+                if (_parameters.WebRemoteFileSystemParameters == null)
+                {
+                    _steps = ESteps.CheckResult;
+                    return;
+                }
+
+                _impl.WebRemoteFileSystem = PlayModeHelper.CreateFileSystem(_impl.PackageName, _parameters.WebRemoteFileSystemParameters);
+                if (_impl.WebRemoteFileSystem == null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = "Failed to create web remote file system";
+                    return;
+                }
+
+                _steps = ESteps.InitWebRemoteFileSystem;
+            }
+
+            if (_steps == ESteps.InitWebRemoteFileSystem)
+            {
+                if (_initWebRemoteFileSystemOp == null)
+                    _initWebRemoteFileSystemOp = _impl.WebServerFileSystem.InitializeFileSystemAsync();
+
+                Progress = _initWebRemoteFileSystemOp.Progress;
+                if (_initWebRemoteFileSystemOp.IsDone == false)
+                    return;
+
+                if (_initWebRemoteFileSystemOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.CheckResult;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _initWebRemoteFileSystemOp.Error;
+                }
+            }
+
+            if (_steps == ESteps.CheckResult)
+            {
+                if(_impl.WebServerFileSystem == null && _impl.WebRemoteFileSystem == null)
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = "Not found any file system !";
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Succeed;
                 }
             }
         }

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

@@ -7,7 +7,8 @@ namespace YooAsset
     internal class WebPlayModeImpl : IPlayMode, IBundleQuery
     {
         public readonly string PackageName;
-        public IFileSystem WebFileSystem { set; get; }
+        public IFileSystem WebServerFileSystem { set; get; } //可以为空！
+        public IFileSystem WebRemoteFileSystem { set; get; } //可以为空！
 
 
         public WebPlayModeImpl(string packageName)
@@ -30,22 +31,43 @@ namespace YooAsset
 
         void IPlayMode.UpdatePlayMode()
         {
-            if (WebFileSystem != null)
+            if (WebServerFileSystem != null)
-                WebFileSystem.OnUpdate();
+                WebServerFileSystem.OnUpdate();
+
+            if (WebRemoteFileSystem != null)
+                WebRemoteFileSystem.OnUpdate();
         }
 
         RequestPackageVersionOperation IPlayMode.RequestPackageVersionAsync(bool appendTimeTicks, int timeout)
         {
-            var operation = new RequestPackageVersionImplOperation(WebFileSystem, appendTimeTicks, timeout);
+            if (WebRemoteFileSystem != null)
+            {
+                var operation = new RequestPackageVersionImplOperation(WebRemoteFileSystem, appendTimeTicks, timeout);
                 OperationSystem.StartOperation(PackageName, operation);
                 return operation;
             }
-        UpdatePackageManifestOperation IPlayMode.UpdatePackageManifestAsync(string packageVersion, int timeout)
+            else
             {
-            var operation = new UpdatePackageManifestImplOperation(this, WebFileSystem, packageVersion, timeout);;
+                var operation = new RequestPackageVersionImplOperation(WebServerFileSystem, appendTimeTicks, timeout);
                 OperationSystem.StartOperation(PackageName, operation);
                 return operation;
             }
+        }
+        UpdatePackageManifestOperation IPlayMode.UpdatePackageManifestAsync(string packageVersion, int timeout)
+        {
+            if (WebRemoteFileSystem != null)
+            {
+                var operation = new UpdatePackageManifestImplOperation(this, WebRemoteFileSystem, packageVersion, timeout); ;
+                OperationSystem.StartOperation(PackageName, operation);
+                return operation;
+            }
+            else
+            {
+                var operation = new UpdatePackageManifestImplOperation(this, WebServerFileSystem, packageVersion, timeout); ;
+                OperationSystem.StartOperation(PackageName, operation);
+                return operation;
+            }
+        }
         PreDownloadContentOperation IPlayMode.PreDownloadContentAsync(string packageVersion, int timeout)
         {
             var operation = new WebPlayModePreDownloadContentOperation(this);
@@ -55,50 +77,50 @@ namespace YooAsset
 
         ClearAllBundleFilesOperation IPlayMode.ClearAllBundleFilesAsync()
         {
-            var operation = new ClearAllBundleFilesImplOperation(this, WebFileSystem, null, null);
+            var operation = new ClearAllBundleFilesImplOperation(this, WebServerFileSystem, WebRemoteFileSystem, null);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
         ClearUnusedBundleFilesOperation IPlayMode.ClearUnusedBundleFilesAsync()
         {
-            var operation = new ClearUnusedBundleFilesImplOperation(this, WebFileSystem, null, null);
+            var operation = new ClearUnusedBundleFilesImplOperation(this, WebServerFileSystem, WebRemoteFileSystem, null);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
 
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByAll(ActiveManifest, WebFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByAll(ActiveManifest, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(ActiveManifest, tags, WebFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByTags(ActiveManifest, tags, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceDownloaderOperation IPlayMode.CreateResourceDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(ActiveManifest, assetInfos, WebFileSystem);
+            List<BundleInfo> downloadList = PlayModeHelper.GetDownloadListByPaths(ActiveManifest, assetInfos, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceDownloaderOperation(PackageName, downloadList, downloadingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceUnpackerOperation IPlayMode.CreateResourceUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByAll(ActiveManifest, WebFileSystem);
+            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByAll(ActiveManifest, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceUnpackerOperation(PackageName, unpcakList, upackingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceUnpackerOperation IPlayMode.CreateResourceUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByTags(ActiveManifest, tags, WebFileSystem);
+            List<BundleInfo> unpcakList = PlayModeHelper.GetUnpackListByTags(ActiveManifest, tags, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceUnpackerOperation(PackageName, unpcakList, upackingMaxNumber, failedTryAgain, timeout);
             return operation;
         }
         ResourceImporterOperation IPlayMode.CreateResourceImporterByFilePaths(string[] filePaths, int importerMaxNumber, int failedTryAgain, int timeout)
         {
-            List<BundleInfo> importerList = PlayModeHelper.GetImporterListByFilePaths(ActiveManifest, filePaths, WebFileSystem);
+            List<BundleInfo> importerList = PlayModeHelper.GetImporterListByFilePaths(ActiveManifest, filePaths, WebServerFileSystem, WebRemoteFileSystem);
             var operation = new ResourceImporterOperation(PackageName, importerList, importerMaxNumber, failedTryAgain, timeout);
             return operation;
         }
@@ -110,9 +132,15 @@ namespace YooAsset
             if (packageBundle == null)
                 throw new Exception("Should never get here !");
 
-            if (WebFileSystem.Belong(packageBundle))
+            if (WebServerFileSystem != null && WebServerFileSystem.Belong(packageBundle))
             {
-                BundleInfo bundleInfo = new BundleInfo(WebFileSystem, packageBundle);
+                BundleInfo bundleInfo = new BundleInfo(WebServerFileSystem, packageBundle);
+                return bundleInfo;
+            }
+
+            if (WebRemoteFileSystem != null && WebRemoteFileSystem.Belong(packageBundle))
+            {
+                BundleInfo bundleInfo = new BundleInfo(WebRemoteFileSystem, packageBundle);
                 return bundleInfo;
             }
 

Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs

@@ -181,11 +181,21 @@ namespace YooAsset
             if (_playMode == EPlayMode.WebPlayMode)
             {
                 var webPlayModeParams = parameters as WebPlayModeParameters;
-                var fileSystemClassName = webPlayModeParams.WebFileSystemParameters.FileSystemClass;
+                if (webPlayModeParams.WebServerFileSystemParameters != null)
+                {
+                    var fileSystemClassName = webPlayModeParams.WebServerFileSystemParameters.FileSystemClass;
                     if (fileSystemClassName == typeof(DefaultCacheFileSystem).FullName
                         || fileSystemClassName == typeof(DefaultBuildinFileSystem).FullName)
                         throw new Exception($"{fileSystemClassName} not support {nameof(EPlayMode.WebPlayMode)}");
                 }
+                if (webPlayModeParams.WebRemoteFileSystemParameters != null)
+                {
+                    var fileSystemClassName = webPlayModeParams.WebRemoteFileSystemParameters.FileSystemClass;
+                    if (fileSystemClassName == typeof(DefaultCacheFileSystem).FullName
+                        || fileSystemClassName == typeof(DefaultBuildinFileSystem).FullName)
+                        throw new Exception($"{fileSystemClassName} not support {nameof(EPlayMode.WebPlayMode)}");
+                }
+            }
         }
         private void InitializeOperation_Completed(AsyncOperationBase op)
         {