diff --git a/handler/reflush_ad.py b/handler/reflush_ad.py
index ae4c94c..6d67a5f 100644
--- a/handler/reflush_ad.py
+++ b/handler/reflush_ad.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import
 import sys
 from flask import Flask, jsonify
 from flask_restful import reqparse, abort, Api, Resource
@@ -17,7 +18,7 @@ parser = reqparse.RequestParser()
 parser.add_argument('locationid')
 
 
-class RelushADinfo():
+class RelushADinfo(Resource):
 
     def __init__(self):
         self.args = parser.parse_args()