select switch_id, parent_id, ancestors, switch_name, stake_mark, device_list, switch_ip, ring_netWork, netWork_status, user_state, create_time, update_time from dc_switch user_state = 1 and parent_id = #{parentId} update dc_switch set netWork_status = when #{item.switchId} then #{item.netWorkStatus} where switch_id in #{item.switchId}