SQL出错： select * from sl_information  where type=25   order by  sort desc,id desc   limit -6, 6#0 /www/wwwroot/zjyjs/silephp/databases/CPdo.class.php(142): CPdo->base_query('select * from s...')
#1 /www/wwwroot/zjyjs/silephp/databases/CPdo.class.php(129): CPdo->setAttribute('select * from s...', 2, NULL)
#2 /www/wwwroot/zjyjs/silephp/core/Model.class.php(885): CPdo->getValueBySelfCreateSql('select * from s...')
#3 /www/wwwroot/zjyjs/application/front/controllers/academic_activitieController.class.php(31): Model->pageRows(-6, 6, 'type=25', 'sort desc,id de...')
#4 /www/wwwroot/zjyjs/silephp/core/Framework.class.php(158): academic_activitieController->indexAction()
#5 /www/wwwroot/zjyjs/silephp/core/Framework.class.php(14): Framework::dispatch()
#6 /www/wwwroot/zjyjs/public/index.php(17): Framework::run()
#7 {main}