diff --git a/__init__.py b/__init__.py
index 78b5e16..2e2e206 100644
--- a/__init__.py
+++ b/__init__.py
@@ -373,15 +373,11 @@ class VodToLocalNode:
         # 生成一个临时目录路径名并创建该目录
         self.create_directory(os.path.join(os.path.dirname(os.path.abspath(__file__)), "download", f"{sub_app_id}"))
         output_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "download", f"{sub_app_id}", f"{file_id}.mp4" )
-        return self._download_file(url=media_url, output_dir=output_dir, file_id=file_id, timeout=60 * 10)
+        return self._download_file(url=media_url, save_path=output_dir, timeout=60 * 10)
     
-    def _download_file(self, url, output_dir, file_id, timeout=30):
+    def _download_file(self, url, save_path, timeout=30):
         """下载文件到本地"""
         try:
-            # 生成安全文件名
-            file_extension = os.path.splitext(url)[1] or ".mp4"
-            filename = f"{file_id}{file_extension}"
-            save_path = Path(output_dir) / filename
 
             with requests.get(url, stream=True, timeout=timeout) as response:
                 response.raise_for_status()