查询失败: SELECT u.username,u.cname,u.realname,u.mobile,u.address,u.http,u.emails,u.mtype,u.groupid,f.* FROM fmh_fwzx_data f left join fmh_user u on f.username=u.username WHERE f.id=42 ORDER BY f.id desc limit 1<br/> 1146<br/>