SELECT
				 a.id,a.type,a.title,a.con,a.userid,a.user,a.uptime,a.rank,a.pic,b.province,b.city,b.company
			   FROM 
				 hy_info a,hy_user b
			   WHERE
				 a.userid=b.userid and a.statu>0  ORDER BY a.rank desc, uptime DESC  limit 0, 20Unknown column 'a.pic' in 'field list'