varsql=$@"select t1.bailun_sku,sum(t1.bailun_sku_quantity_refund) as refundcount,sum(t2.bailun_sku_quantity_ordered) as salecount from dc_base_crm_refund t1
join dc_base_oms_sku t2 on t1.origin_order_id=t2.origin_order_id and t1.bailun_sku=t2.bailun_sku
where t1.refund_time>='{start.ToString("yyyy-MM-dd HH:mm:ss")}' and t1.refund_time<'{end.ToString("yyyy-MM-dd HH:mm:ss")}' and t1.is_deleted=0 and t1.is_freeze=0 and t1.company_id=1