update
    SKU 
set
    STD_COST_PRICE = (
        select
            round(AVG(STD_COST_PRICE),1)
        from
            GOODS 
        where GOODS.GOODS_CODE = SKU.GOODS_CODE
        group by GOODS_CODE
    ),
    UPDATE_USER_NAME = 'MODIFY',
    USER_UPDATE_DATETIME = '2024-08-31 00:00:00';