diff --git a/public/react/src/AppConfig.js b/public/react/src/AppConfig.js
index 554cb5bcb..003ef5a9b 100644
--- a/public/react/src/AppConfig.js
+++ b/public/react/src/AppConfig.js
@@ -2,7 +2,7 @@ import React from "react";
 
 import axios from 'axios';
 import { requestProxy } from "./indexEduplus2RequestProxy";
-import { broadcastChannelOnmessage ,SetAppModel} from 'educoder';
+import { broadcastChannelOnmessage ,SetAppModel, isDev, queryString} from 'educoder';
 import {  notification } from 'antd';
 import './index.css'
 broadcastChannelOnmessage('refreshPage', () => {
@@ -18,10 +18,19 @@ function locationurl(list){
 }
 
 // TODO 开发期多个身份切换
-const debugType =""
-// 	window.location.search.indexOf('debug=t') != -1 ? 'teacher' :
-//         window.location.search.indexOf('debug=s') != -1 ? 'student' : 'admin'
-// window._debugType = debugType;
+let debugType = ""
+if (isDev) {
+  	const _search = window.location.search;
+    let parsed = {};
+    if (_search) {
+      parsed = queryString.parse(_search);
+  	}
+    debugType = window.location.search.indexOf('debug=t') != -1 ? 'teacher' :
+        window.location.search.indexOf('debug=s') != -1 ? 'student' : 
+        window.location.search.indexOf('debug=a') != -1 ? 'admin' : parsed.debug || ''
+}
+	
+window._debugType = debugType;
 export function initAxiosInterceptors(props) {
 
     // TODO 避免重复的请求 https://github.com/axios/axios#cancellation