select a.user_id, a.beyond_enterprise_id,a.username, a.nick_name, (CASE a.user_type WHEN '1' THEN '居民用户' WHEN '2' THEN '商业用户'WHEN '3' THEN '工业用户'WHEN '4' THEN '煤改气用户'end) as user_type , a.address, a.longitude, a.latitude, a.linkman, a.phone, a.email, a.create_time, a.update_time, a.is_del, a.remarks,