diff --git a/apps/api/app/api/routes/generation_preview.py b/apps/api/app/api/routes/generation_preview.py
index 1a7a3a2a0..0ea4d7edf 100755
--- a/apps/api/app/api/routes/generation_preview.py
+++ b/apps/api/app/api/routes/generation_preview.py
@@ -282,7 +282,7 @@ def create_preview_generation_task(
             status_code=429,
             detail=f"您的待处理任务过多（当前 {e.pending_count - 1}/{e.limit}），请等待后再提交",
         ) from None
-    except GlobalQueueFull as e:
+    except GlobalQueueFull:
         _mark_task_failed(generation_task_repository, task, "系统队列已满")
         raise HTTPException(
             status_code=503,