SELECT SQL_CALC_FOUND_ROWS  `article_id` as id ,`cat_id`,`title`,`thumb`,`desc` as intro,`views`,`dateline` FROM wt_article WHERE  `audit`='1' AND `closed`='0' and (thumb is not null and thumb !='') AND `cat_id`=71 AND `city_id`=  ORDER BY dateline DESC  LIMIT 6
Error info：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY dateline DESC  LIMIT 6' at line 1