MySQL server error report:Array ( [0] => Array ( [message] => MySQL Query Error ) [1] => Array ( [sql] => SELECT goods_id,cat_id,keywords,goods_tags FROM `jiuqu2020`.`ecs_goods` WHERE cat_id = 54 AND ( keywords like "%%" OR goods_tags like "%%" OR goods_name like "%%" ) ORDER BY rand() limit 40 ) [2] => Array ( [error] => 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 '-//IETF//DTD HTML 2.0//EN">%" OR goods_tags like "% Array ( [errno] => 1064 ) )