diff --git a/apps/api/app/api/routes/videos.py b/apps/api/app/api/routes/videos.py
index b3b325aa4..8a834c6a4 100755
--- a/apps/api/app/api/routes/videos.py
+++ b/apps/api/app/api/routes/videos.py
@@ -108,7 +108,9 @@ def update_video_review_status(
     item = use_case.execute(video_id, request.review_status)
     if item is None:
         raise HTTPException(status_code=404, detail="Video not found")
-    logger.info("Video %s review status updated to %s by user %s", video_id, request.review_status, current_user.user_id)
+    logger.info(
+        "Video %s review status updated to %s by user %s", video_id, request.review_status, current_user.user_id
+    )
     return _to_video_response(item, storage)
 
 
@@ -119,7 +121,7 @@ def batch_download_videos(
     current_user: AuthenticatedUser = Depends(get_current_user),
 ):
     """批量下载成片，异步打包 zip。
-    
+
     传入 video_ids 列表，创建一个批量下载任务，任务完成后返回 zip 下载链接。
     """
     if not request.video_ids:
@@ -152,7 +154,7 @@ def get_batch_download_status(
     from celery.result import AsyncResult
 
     task = AsyncResult(job_id, app=celery_app)
-    
+
     status_map = {
         "PENDING": "pending",
         "STARTED": "running",
diff --git a/apps/worker/video_processing/intro_outro_engine.py b/apps/worker/video_processing/intro_outro_engine.py
index b618a9261..067bc093d 100755
--- a/apps/worker/video_processing/intro_outro_engine.py
+++ b/apps/worker/video_processing/intro_outro_engine.py
@@ -177,9 +177,7 @@ class IntroOutroEngine:
         filter_parts = []
 
         # 背景
-        filter_parts.append(
-            f"color=c={config.intro_background}:s={output_width}x{output_height}:d={duration}[bg]"
-        )
+        filter_parts.append(f"color=c={config.intro_background}:s={output_width}x{output_height}:d={duration}[bg]")
 
         # 标题
         if title: