a.id, a.parent_id AS "parent.id", a.parent_ids, a.name, p.name AS "parent.name", LEFT JOIN cadre_db.sys_office p ON p.id = a.parent_id select * from cadre_db.sys_office where parent_id = #{id} ORDER BY sort select * from cadre_db.sys_office where parent_id = '1' ORDER BY sort