diff --git a/src/AppConfig.js b/src/AppConfig.js
index d0955ca6..68dd5439 100644
--- a/src/AppConfig.js
+++ b/src/AppConfig.js
@@ -39,7 +39,7 @@ if (isDev) {
   }
   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.location.search.indexOf('debug=a') != -1 ? 'admin' : parsed.debug || 'admin'
 }
 // 超管
 // debugType="admin";