select id,title,keywords,description,content,image,category_id,is_recommend,hit_num,c_date,u_date,comment_num,citys,city_ids from cms_article where id = order by u_date desc limit 0,1You 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 u_date desc limit 0,1' at line 1select count(1) as num from (select id,title,keywords,description,content,image,category_id,is_recommend,hit_num,c_date,u_date,comment_num,citys,city_ids from cms_article where id = order by u_date desc ) as tmpYou 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 u_date desc ) as tmp' at line 1