SQL語句錯誤： SELECT a.* FROM en_wkcx_content AS a,en_wkcx_class AS b WHERE a.cat_id=b.id AND a.cat_id in(1286) ORDER BY news_order ASC,add_time DESC limit -9,9
錯誤信息： 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 '-9,9' at line 1