download video fails

add bot to dy_spider && baidu spider

applications/etl_function/__init__.py

@@ -157,7 +157,7 @@ async def download_video(file_path, platform, video_url, download_type="video"):
                             # 以1MB为单位分块下载
                             async for chunk in response.content.iter_chunked(1024 * 1024):
                                 await f.write(chunk)
-                    # 判断文件是否为空， 若
+                    # 判断文件是否为空， 若为空则继续重试
                     if await is_empty(file_path):
                         await asyncio.sleep(3)
                         retries += 1