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 '))' at line 1 - ok Execute Query False! Select * From `dede_archives` arc where arc.arcrank > -1 And ( CONCAT(arc.title,' ',arc.writer,' ',arc.keywords) like '%广发证券%' and CONCAT(arc.title,' ',arc.writer,' ',arc.keywords) like '%增强%' and ())