insert into iot_device_diagnose_threshold_ch (id,threshold_code,iot_token,device_product,dvs,channel) values (#{item.id},#{item.thresholdCode},#{item.iotToken},#{item.deviceProduct},#{item.dvs}, #{item.channel}) delete from iot_device_diagnose_threshold_ch where id in #{item} delete from iot_device_diagnose_threshold_ch where threshold_code = #{thresholdCode}