bug修改

@@ -49,7 +49,7 @@ class Sms extends Api
                 //未注册
                 $this->error(__('未注册'));
             } elseif ($event == 'bind' && $userinfo) {
-                $third = Db::name('user_third')->where('user_id',$userinfo['id'])->where('platform','wechat')->find();
+                $third = db('user_third')->where('user_id',$userinfo['id'])->where('platform','wechat')->find();
                 if($third){
                     //被绑定
                     $this->error(__('该手机号已绑定微信'));