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 update dc_switch when switch_id=#{item.switchId} then #{item.netWorkStatus} when switch_id=#{item.switchId} then #{item.updateTime} where switch_id in #{item.switchId}