diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSInitializeOperation.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSInitializeOperation.cs
index 837e6dae..92c1660a 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSInitializeOperation.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSInitializeOperation.cs	
@@ -3,16 +3,7 @@ using YooAsset;
 
 internal partial class TTFSInitializeOperation : FSInitializeFileSystemOperation
 {
-    private enum ESteps
-    {
-        None,
-        RecordCacheFiles,
-        Done,
-    }
-
     private readonly TiktokFileSystem _fileSystem;
-    private RecordTiktokCacheFilesOperation _recordTiktokCacheFilesOp;
-    private ESteps _steps = ESteps.None;
 
     public TTFSInitializeOperation(TiktokFileSystem fileSystem)
     {
@@ -20,36 +11,10 @@ internal partial class TTFSInitializeOperation : FSInitializeFileSystemOperation
     }
     internal override void InternalOnStart()
     {
-        _steps = ESteps.RecordCacheFiles;
+        Status = EOperationStatus.Succeed;
     }
     internal override void InternalOnUpdate()
     {
-        if (_steps == ESteps.None || _steps == ESteps.Done)
-            return;
-
-        if (_steps == ESteps.RecordCacheFiles)
-        {
-            if (_recordTiktokCacheFilesOp == null)
-            {
-                _recordTiktokCacheFilesOp = new RecordTiktokCacheFilesOperation(_fileSystem);
-                OperationSystem.StartOperation(_fileSystem.PackageName, _recordTiktokCacheFilesOp);
-            }
-
-            if (_recordTiktokCacheFilesOp.IsDone == false)
-                return;
-
-            if (_recordTiktokCacheFilesOp.Status == EOperationStatus.Succeed)
-            {
-                _steps = ESteps.Done;
-                Status = EOperationStatus.Succeed;
-            }
-            else
-            {
-                _steps = ESteps.Done;
-                Status = EOperationStatus.Failed;
-                Error = _recordTiktokCacheFilesOp.Error;
-            }
-        }
     }
 }
 #endif
\ No newline at end of file
diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/internal/RecordTiktokCacheFilesOperation.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/internal/RecordTiktokCacheFilesOperation.cs
deleted file mode 100644
index d4f82e03..00000000
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/internal/RecordTiktokCacheFilesOperation.cs	
+++ /dev/null
@@ -1,57 +0,0 @@
-#if UNITY_WEBGL && DOUYINMINIGAME
-using YooAsset;
-using TTSDK;
-
-internal class RecordTiktokCacheFilesOperation : AsyncOperationBase
-{
-    private enum ESteps
-    {
-        None,
-        RecordCacheFiles,
-        WaitResponse,
-        Done,
-    }
-
-    private readonly TiktokFileSystem _fileSystem;
-    private ESteps _steps = ESteps.None;
-
-    public RecordTiktokCacheFilesOperation(TiktokFileSystem fileSystem)
-    {
-        _fileSystem = fileSystem;
-    }
-    internal override void InternalOnStart()
-    {
-        _steps = ESteps.RecordCacheFiles;
-    }
-    internal override void InternalOnUpdate()
-    {
-        if (_steps == ESteps.None || _steps == ESteps.Done)
-            return;
-
-        if (_steps == ESteps.RecordCacheFiles)
-        {
-            _steps = ESteps.WaitResponse;
-
-            var fileSystemMgr = _fileSystem.GetFileSystemMgr();
-            var getSavedFileListParam = new GetSavedFileListParam();
-            getSavedFileListParam.success = (TTGetSavedFileListResponse response) =>
-            {
-                _steps = ESteps.Done;
-                Status = EOperationStatus.Succeed;
-                foreach (var fileInfo in response.fileList)
-                {
-                    //TODO 需要确认存储文件为Bundle文件
-                    _fileSystem.RecordBundleFile(fileInfo.filePath);
-                }
-            };
-            getSavedFileListParam.fail = (TTGetSavedFileListResponse response) =>
-            {
-                _steps = ESteps.Done;
-                Status = EOperationStatus.Failed;
-                Error = response.errMsg;
-            };
-            fileSystemMgr.GetSavedFileList(getSavedFileListParam);
-        }
-    }
-}
-#endif
\ No newline at end of file
diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/internal/RecordTiktokCacheFilesOperation.cs.meta b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/internal/RecordTiktokCacheFilesOperation.cs.meta
deleted file mode 100644
index 5ec7d443..00000000
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/internal/RecordTiktokCacheFilesOperation.cs.meta	
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: e4420bd73f37dec468a9b23425be68f2
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/TiktokFileSystem.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/TiktokFileSystem.cs
index 3fc0c8e1..29a68f57 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/TiktokFileSystem.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/TiktokFileSystem.cs	
@@ -53,8 +53,7 @@ internal class TiktokFileSystem : IFileSystem
         }
     }
 
-    private readonly HashSet<string> _recorders = new HashSet<string>();
-    private readonly Dictionary<string, string> _cacheFilePaths = new Dictionary<string, string>(10000);
+    private readonly Dictionary<string, string> _cacheFilePathMapping = new Dictionary<string, string>(10000);
     private TTFileSystemManager _fileSystemMgr;
     private string _ttCacheRoot = string.Empty;
 
@@ -81,7 +80,7 @@ internal class TiktokFileSystem : IFileSystem
     {
         get
         {
-            return _recorders.Count;
+            return 0;
         }
     }
 
@@ -185,8 +184,7 @@ internal class TiktokFileSystem : IFileSystem
     }
     public virtual bool Exists(PackageBundle bundle)
     {
-        string filePath = GetCacheFileLoadPath(bundle);
-        return _recorders.Contains(filePath);
+        return CheckCacheFileExist(bundle);
     }
     public virtual bool NeedDownload(PackageBundle bundle)
     {
@@ -210,19 +208,27 @@ internal class TiktokFileSystem : IFileSystem
     }
     public virtual byte[] ReadBundleFileData(PackageBundle bundle)
     {
-        string filePath = GetCacheFileLoadPath(bundle);
-        if (CheckCacheFileExist(filePath))
+        if (CheckCacheFileExist(bundle))
+        {
+            string filePath = GetCacheFileLoadPath(bundle);
             return _fileSystemMgr.ReadFileSync(filePath);
+        }
         else
+        {
             return Array.Empty<byte>();
+        }
     }
     public virtual string ReadBundleFileText(PackageBundle bundle)
     {
-        string filePath = GetCacheFileLoadPath(bundle);
-        if (CheckCacheFileExist(filePath))
+        if (CheckCacheFileExist(bundle))
+        {
+            string filePath = GetCacheFileLoadPath(bundle);
             return _fileSystemMgr.ReadFileSync(filePath, "utf8");
+        }
         else
+        {
             return string.Empty;
+        }
     }
 
     #region 内部方法
@@ -230,56 +236,20 @@ internal class TiktokFileSystem : IFileSystem
     {
         return _fileSystemMgr;
     }
-    public bool CheckCacheFileExist(string filePath)
+    public bool CheckCacheFileExist(PackageBundle bundle)
     {
-        return _fileSystemMgr.AccessSync(filePath);
+        string url = RemoteServices.GetRemoteMainURL(bundle.FileName);
+        return _fileSystemMgr.IsUrlCached(url);
     }
     private string GetCacheFileLoadPath(PackageBundle bundle)
     {
-        if (_cacheFilePaths.TryGetValue(bundle.BundleGUID, out string filePath) == false)
+        if (_cacheFilePathMapping.TryGetValue(bundle.BundleGUID, out string filePath) == false)
         {
             filePath = _fileSystemMgr.GetLocalCachedPathForUrl(bundle.FileName);
-            _cacheFilePaths.Add(bundle.BundleGUID, filePath);
+            _cacheFilePathMapping.Add(bundle.BundleGUID, filePath);
         }
         return filePath;
     }
     #endregion
-
-    #region 本地记录
-    public List<string> GetAllRecords()
-    {
-        return _recorders.ToList();
-    }
-    public bool RecordBundleFile(string filePath)
-    {
-        if (_recorders.Contains(filePath))
-        {
-            YooLogger.Error($"{nameof(TiktokFileSystem)} has element : {filePath}");
-            return false;
-        }
-
-        _recorders.Add(filePath);
-        return true;
-    }
-    public void TryRecordBundle(PackageBundle bundle)
-    {
-        string filePath = GetCacheFileLoadPath(bundle);
-        if (_recorders.Contains(filePath) == false)
-        {
-            _recorders.Add(filePath);
-        }
-    }
-    public void ClearAllRecords()
-    {
-        _recorders.Clear();
-    }
-    public void ClearRecord(string filePath)
-    {
-        if (_recorders.Contains(filePath))
-        {
-            _recorders.Remove(filePath);
-        }
-    }
-    #endregion
 }
 #endif
\ No newline at end of file