diff --git a/lib/client/storage/_github.js b/lib/client/storage/_github.js
index 6c0b2c9f..9c9a7645 100644
--- a/lib/client/storage/_github.js
+++ b/lib/client/storage/_github.js
@@ -59,7 +59,7 @@ var CloudCmd, Util, join, DOM, CloudFunc, Github, cb;
         
         GitHub.autorize            = function(callback, code) {
             Storage.get('token', function(error, token) {
-                var isContain, popup,
+                var isContain,
                     apiURL = CloudFunc.apiURL,
                     URL = '//' + window.location.host + '/auth/github';