后台，站长，数据库，升级，一句句执行[*][*]delete from pre_forum_thread_moderate where 1 ;[*]delete FROM `pre_forum_post` WHERE invisible = "-2"[*]delete FROM `pre_forum_thread` WHERE displayorder = "-2"这是epoch，unix时间戳零点是utc 1970年1月1日0点整，北京是gmt 8所以...