diff --git a/apps/worker/video_processing/render_audio.py b/apps/worker/video_processing/render_audio.py
index 107076841..1c3082232 100755
--- a/apps/worker/video_processing/render_audio.py
+++ b/apps/worker/video_processing/render_audio.py
@@ -181,8 +181,7 @@ def concat_main_audio(
         trim_start = getattr(clip, "start_time", 0) or 0
         if effective_duration > 0:
             filter_parts.append(
-                f"[{i}:a]atrim=start={trim_start:.3f}:duration={effective_duration:.3f},"
-                f"asetpts=PTS-STARTPTS[a{i}]"
+                f"[{i}:a]atrim=start={trim_start:.3f}:duration={effective_duration:.3f}," f"asetpts=PTS-STARTPTS[a{i}]"
             )
         else:
             filter_parts.append(f"[{i}:a]asetpts=PTS-STARTPTS[a{i}]")
diff --git a/apps/worker/video_processing/trim_engine.py b/apps/worker/video_processing/trim_engine.py
index c17133d45..ada3f373a 100755
--- a/apps/worker/video_processing/trim_engine.py
+++ b/apps/worker/video_processing/trim_engine.py
@@ -293,9 +293,7 @@ class TrimEngine:
             return segments
 
         # 单段裁剪兼容：从 trim_start/trim_end/trim_duration 构造
-        has_single = any(
-            k in config for k in ("trim_start", "trim_end", "trim_duration")
-        )
+        has_single = any(k in config for k in ("trim_start", "trim_end", "trim_duration"))
         if has_single:
             seg = TrimSegment(
                 segment_id="main",
@@ -329,9 +327,7 @@ def extract_trim_from_clip_config(config: dict[str, Any] | None) -> TrimConfig |
         return TrimConfig.from_dict(config["trim"])
 
     # 扁平字段
-    has_any = any(
-        k in config for k in ("trim_start", "trim_end", "trim_duration")
-    )
+    has_any = any(k in config for k in ("trim_start", "trim_end", "trim_duration"))
     if not has_any:
         return None