diff --git a/apps/worker/worker_app/tasks/generation.py b/apps/worker/worker_app/tasks/generation.py
index b6e65843a..6a7092671 100755
--- a/apps/worker/worker_app/tasks/generation.py
+++ b/apps/worker/worker_app/tasks/generation.py
@@ -646,7 +646,11 @@ def _download_library_assets(
             assets = query.order_by(AssetModel.created_at).all()
 
             if not assets:
-                mode_desc = f"素材库 {asset_library_id}" if asset_library_id else (f"项目 {project_id}" if project_id else "指定素材")
+                mode_desc = (
+                    f"素材库 {asset_library_id}"
+                    if asset_library_id
+                    else (f"项目 {project_id}" if project_id else "指定素材")
+                )
                 msg = f"未找到视频素材: {mode_desc}, asset_ids={asset_ids or 'all'}"
                 logger.error(msg)
                 raise RuntimeError(msg)