diff --git a/api/controllers/web/app.py b/api/controllers/web/app.py
index 658e4a2e75..26fd70279a 100644
--- a/api/controllers/web/app.py
+++ b/api/controllers/web/app.py
@@ -1,10 +1,11 @@
-from flask_restful import marshal_with
-
 from controllers.common import fields
 from controllers.web import api
 from controllers.web.error import AppUnavailableError
 from controllers.web.wraps import WebApiResource
-from core.app.app_config.common.parameters_mapping import get_parameters_from_feature_dict
+from core.app.app_config.common.parameters_mapping import \
+    get_parameters_from_feature_dict
+from flask import request
+from flask_restful import Resource, marshal_with, reqparse
 from libs.passport import PassportService
 from models.model import App, AppMode
 from services.app_service import AppService