圈子老是出现错误问题

SupeSite info: MySQL Query Error

User: guest
Time: 2007-7-4 1:15pm
Script: /index.php

SQL: SELECT t.* FROM `xxx518_53526`.[Table]threads t WHERE t.sgid IN (1) AND t.displayorder >= 0 ORDER BY t.dateline DESC LIMIT 0,10
Error: Unknown column 't.sgid' in 'where clause'
程序文件跟数据库有冲突，请使用正确的程序文件上传上去覆盖

大家帮忙看看到底是怎么回事！谢谢了

ALTER TABLE `cdb_threads` ADD `sgid` MEDIUMINT( 8 ) UNSIGNED NOT NULL DEFAULT '0'

执行如上升级语句

谢谢了  我试试！