select * from diy_tpl_list where tpl_price_discount>0 and tpl_status=1 and tpl_industry like '%房产地产%' and tpl_wxapp!=0 order by idList desc,tpl_update_time desc,tpl_create_time desc limit -50,12You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-50,12' at line 1