用discuz模板模板里面原来有的数据库链接要怎么删除

如题，如果删除的话显示
Discuz! info: Can not connect to MySQL server Time: 2009-5-14 9:09am
Script: /ajax/JG/module/jg_mission.php Error:
Errno.: 0 Similar error report has been dispatched to administrator before. 到 http://faq.comsenz.com 搜索此错误的解决方案出现error 这要怎么删除啊我不想要两数据库配置文件用过的老鸟告我一下啊
先谢谢