出错啦！
错误信息：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 'and pass = 1 order by `px` desc,id_lm asc' at line 1
错误编号：1064
SQL语句：select id_lm,title_lm from files_lm where fid = and pass = 1 order by `px` desc,id_lm asc;