点击退出，总是出现这个~~

//cookie 作用域。请设置为 .yourdomain.com 形式
设置了这里，然后重新清空COOKIES就好了~~

点击退出会出现两种情况：

1、
=============================
BRAND info: MySQL Query Error

User: winnie
Time: 2010-7-29 12:19pm
Script: /pk/batch.login.php

SQL: DELETE FROM [Table]adminsession WHERE uid=''
Error: MySQL server has gone away
Errno.: 2006

UCenter info: MySQL Query Error
SQL:SELECT * FROM [Table]notelist WHERE closed='0' AND app5<'1' AND app5>'-5' LIMIT 1
Error:MySQL server has gone away
Errno:2006


2、
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就是显示已经成功退出，但转跳后依然登陆

数据库有问题，