diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSDownloadFileOperation.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSDownloadFileOperation.cs
index a20386b9..c61bc324 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSDownloadFileOperation.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSDownloadFileOperation.cs	
@@ -92,7 +92,7 @@ internal class WXFSDownloadFileOperation : DefaultDownloadFileOperation
 
     private void CreateWebRequest()
     {
-        _webRequest = WXAssetBundle.GetAssetBundle(_requestURL);
+        _webRequest = UnityWebRequest.Get(_requestURL);
         _webRequest.SetRequestHeader("wechatminigame-preload", "1");
         _webRequest.disposeDownloadHandlerOnDispose = true;
         _webRequest.SendWebRequest();
diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSLoadBundleOperation.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSLoadBundleOperation.cs
index 864e9a84..8b16c964 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSLoadBundleOperation.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionFileSystem/WechatFileSystem/Operation/WXFSLoadBundleOperation.cs	
@@ -39,7 +39,7 @@ internal class WXFSLoadBundleOperation : 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