diff --git a/backend/app/services/logistics_service.py b/backend/app/services/logistics_service.py
index b5c816c..e921934 100644
--- a/backend/app/services/logistics_service.py
+++ b/backend/app/services/logistics_service.py
@@ -751,7 +751,7 @@ class LogisticsService:
             "raw_result": raw_result,
         }
 
-        def submit_waybills(self, task_id: int, payload: dict, session: Session | None = None, current_user: dict | None = None) -> dict:
+    def submit_waybills(self, task_id: int, payload: dict, session: Session | None = None, current_user: dict | None = None) -> dict:
         """批量提交运单号，校验任务状态。"""
         if session is None:
             raise AppException(code=ErrorCode.INTERNAL_ERROR, message="数据库连接不可用", status_code=500)