diff --git a/public/react/src/AppConfig.js b/public/react/src/AppConfig.js
index f6598a3c4..025db7f5c 100644
--- a/public/react/src/AppConfig.js
+++ b/public/react/src/AppConfig.js
@@ -21,16 +21,16 @@ let hashTimeout
 
 // TODO 开发期多个身份切换
 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 || 'admin'
-// }
+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 || 'admin'
+}
 window._debugType = debugType;
 export function initAxiosInterceptors(props) {