diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSDownloadFileOperation.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSDownloadFileOperation.cs
index 039a32c2..fdec01b2 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSDownloadFileOperation.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSDownloadFileOperation.cs	
@@ -7,7 +7,7 @@ internal class TTFSDownloadFileOperation : DefaultDownloadFileOperation
 {
     private TiktokFileSystem _fileSystem;
     private ESteps _steps = ESteps.None;
-    
+
     internal TTFSDownloadFileOperation(TiktokFileSystem fileSystem, PackageBundle bundle, DownloadParam param) : base(bundle, param)
     {
         _fileSystem = fileSystem;
@@ -84,7 +84,7 @@ internal class TTFSDownloadFileOperation : DefaultDownloadFileOperation
     private void CreateWebRequest()
     {
         //TODO : 抖音小游戏没有找到预下载方法
-        _webRequest = UnityWebRequestAssetBundle.GetAssetBundle(_requestURL);
+        _webRequest = UnityWebRequest.Get(_requestURL);
         _webRequest.disposeDownloadHandlerOnDispose = true;
         _webRequest.SendWebRequest();
     }
diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSLoadBundleOperation.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSLoadBundleOperation.cs
index 5e780de9..c5658cdc 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSLoadBundleOperation.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/TiktokFileSystem/Operation/TTFSLoadBundleOperation.cs	
@@ -41,7 +41,7 @@ internal class TTFSLoadBundleOperation : FSLoadBundleOperation
 
                 if (_bundle.Encrypted)
                 {
-                    _downloadAssetBundleOp = new DownloadWebEncryptAssetBundleOperation(_fileSystem.DecryptionServices, _bundle, downloadParam);
+                    _downloadAssetBundleOp = new DownloadWebEncryptAssetBundleOperation(false, _fileSystem.DecryptionServices, _bundle, downloadParam);
                     OperationSystem.StartOperation(_fileSystem.PackageName, _downloadAssetBundleOp);
                 }
                 else