varlast_task_synchro_log=conn.QuerySingleOrDefault<task_synchro_log>(" select * from task_synchro_log where task_name=@task_name and status=1 order by end_time desc limit 1 ",new{task_name=task_name});
varave_days=_connection.QueryFirstOrDefault<int?>(" select average_supplier_delivery+inspection_delivery from dc_auto_turnover where bailun_sku=@bailun_sku and warehouse_code=@warehouse_code ",new