 -- 品类表增加服务成本、物料成本、单价
ALTER TABLE `goods_category`
	ADD COLUMN `unit_price` BIGINT NULL DEFAULT '0' COMMENT '单价' AFTER `del_flag`,
	ADD COLUMN `base_service_cost` BIGINT NULL DEFAULT '0' COMMENT '单次服务成本-初级' AFTER `unit_price`,
	ADD COLUMN `middle_service_cost` BIGINT NULL DEFAULT '0' COMMENT '单次服务成本-中级' AFTER `base_service_cost`,
	ADD COLUMN `high_service_cost` BIGINT NULL DEFAULT '0' COMMENT '单次服务成本-高级' AFTER `middle_service_cost`,
	ADD COLUMN `material_cost` BIGINT NULL DEFAULT '0' COMMENT '单次物料成本' AFTER `high_service_cost`;
