修改bug

app/common/controller/User.php

@@ -45,6 +45,8 @@ class User
      public function login(){
 
         $token = $this->request->param('token');
+        $lang  = $this->request->param('Lang');
+        $this->lang = $lang ? $lang : $this->lang;
         
         if (!$token) {
             return ret(lang('user.token_error'));