diff --git a/backend/app/downloaders/bilibili_downloader.py b/backend/app/downloaders/bilibili_downloader.py
index 2f686ba65..91c94e3db 100644
--- a/backend/app/downloaders/bilibili_downloader.py
+++ b/backend/app/downloaders/bilibili_downloader.py
@@ -52,7 +52,8 @@ def download(
         video_url: str,
         output_dir: Union[str, None] = None,
         quality: DownloadQuality = "fast",
-        need_video:Optional[bool]=False
+        need_video:Optional[bool]=False,
+        skip_download: bool = False
     ) -> AudioDownloadResult:
         if output_dir is None:
             output_dir = get_data_dir()
@@ -81,12 +82,13 @@ def download(
             ydl_opts['cookiefile'] = self._cookiefile
 
         with yt_dlp.YoutubeDL(ydl_opts) as ydl:
-            info = ydl.extract_info(video_url, download=True)
+            # skip_download=True 时只提取元信息(标题/时长/封面)，不下载音视频文件
+            info = ydl.extract_info(video_url, download=not skip_download)
             video_id = info.get("id")
             title = info.get("title")
             duration = info.get("duration", 0)
             cover_url = info.get("thumbnail")
-            audio_path = os.path.join(output_dir, f"{video_id}.mp3")
+            audio_path = os.path.join(output_dir, f"{video_id}.mp3") if not skip_download else None
 
         return AudioDownloadResult(
             file_path=audio_path,