SELECT ip.name AS park_name, ib.id AS building_id, ib.building_name AS building_name, ibd.floor_num, ir.id AS room_id, ir.name AS room_name, ir.status, ir.rent, ir.area, ir.rent_type, IF(ir.`status`= 0,DATEDIFF(CURRENT_DATE, ir.`update_status_time`), 0) AS expire_date FROM `ics_room` AS ir LEFT JOIN `ics_building` AS ib ON ib.id = ir.building_id LEFT JOIN `ics_building_detail` AS ibd ON ibd.id = ir.building_detail_id LEFT JOIN ics_park AS ip ON ip.id = ir.`park_id`