MySQL server error report:Array ( [0] => Array ( [message] => MySQL Query Error ) [1] => Array ( [sql] => SELECT count(*) as nums FROM `ecshop`.`ecs_ds_works2017` as dw left join `ecshop`.`ecs_ds_group2017` as dg on dw.gid = dg.gid WHERE dw.type='2' AND dw.area LIKE '%内蒙古%' AND (dg.qdtj =1 or dg.qdtj=2) AND dw.direction =1 order by dw.id desc ) [2] => Array ( [error] => Illegal mix of collations (utf8_general_ci,IMPLICIT) and (gbk_chinese_ci,COERCIBLE) for operation 'like' ) [3] => Array ( [errno] => 1267 ) )