原本可以登录，可是今天同事突然打不开禅道了。查看了下日志，报这个，怎么解决啊~~求大神指点！

<?php

 die();
?>
10:10:20 Undefined offset: 1 in /opt/lampp/htdocs/zentaopms/module/user/control.                                                                                                                                                             php on line 680 when visiting user-login-aHR0cDovLzEzOS4xMjkuMjIwLjM1OjgwMDgvemV                                                                                                                                                             udGFvcG1zL3d3dy9pbmRleC5odG1s
10:12:44 Undefined offset: 1 in /opt/lampp/htdocs/zentaopms/module/user/control.                                                                                                                                                             php on line 680 when visiting user-login-L3plbnRhb3Btcy93d3cvbXkuaHRtbA==
10:15:42 Undefined offset: 1 in /opt/lampp/htdocs/zentaopms/module/user/control.                                                                                                                                                             php on line 680 when visiting user-login-L3plbnRhb3Btcy93d3cvbXkuaHRtbA==

禅道版本 8.2.5 源码包
操作系统 Windows 7
客户端浏览器 Chrome