Error info: MySQL Query Error
SQL:SELECT cl2.did FROM `hxwiki_doc` doc LEFT JOIN `hxwiki_categorylink` cl ON cl.did=doc.did LEFT JOIN `hxwiki_categorylink` cl2 ON cl2.cid=cl.cid WHERE doc.tag LIKE '%���������������������%'
Error:Illegal mix of collations (gbk_chinese_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'like'
Errno:1267