with TMP as(
    select
        GOODS_CODE,
        round(avg(STD_COST_PRICE)) as AVG
    from
        SKU
    group by
        GOODS_CODE
)
update SKU
    set STD_COST_PRICE = GOODS.STD_COST_PRICE,
        UPDATE_USER_NAME = 'MODIFY',
        USER_UPDATE_DATETIME = '2024-08-31 00:00:00'
    from
        TMP
    inner join
        GOODS
        on TMP.GOODS_CODE = GOODS.GOODS_CODE
    where
        TMP.STD_COST_PRICE < AVG
;