diff --git a/flask_app/start_up.py b/flask_app/start_up.py
index fe6ee15..fc9e781 100644
--- a/flask_app/start_up.py
+++ b/flask_app/start_up.py
@@ -33,7 +33,16 @@ def create_app():
     app.connection_limiters['get_deviation'] = ConnectionLimiter(max_connections=10)
     app.connection_limiters['default'] = ConnectionLimiter(max_connections=10)
 
-
+    @app.teardown_request
+    def teardown_request(exception):
+        output_folder = getattr(g, 'output_folder', None)
+        if output_folder:
+            # 执行与output_folder相关的清理操作（例如删除临时文件）
+            logger = g.logger
+            logger.info(f"正在清理输出文件夹: {output_folder}")
+            file_ids=read_file_ids(output_folder)
+            delete_file_by_ids(file_ids)
+            logger.info("清理完毕！")
     return app
 
 #TODO:培训要求、总体要求、进度要求、'建设要求'到技术要求中，归类到其他要求中