From 0bbd49901b4411b0165db1ab76912c12adf07afc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B5=81=E4=BA=91=E8=AF=B8=E8=91=9B?= <imzengxf@163.com>
Date: Tue, 20 Dec 2016 22:53:59 +0800
Subject: [PATCH] bug fix.

---
 index.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.php b/index.php
index eee975b..883a15b 100644
--- a/index.php
+++ b/index.php
@@ -4,6 +4,7 @@
 $state = '';
 $code = '';
 $redirect_uri = '';
+$device = '';
 
 if (isset($_GET['device'])) {
     $device = $_GET['device'];