request：【{"diff_type":3,"num":2,"product_id":"10000058759262","sku_id":"1474890680"}】，response：【{"errcode":10020054,"errmsg":"当前商品状态不允许直接更新库存，或product_id和sku_id不匹配，或库存不足以减扣，或增加减少数量为0 rid: 64c36eab-37b05fdb-430c4dd0"}】