让他order不要付款,你到未付款页面找到这个订单,然后选择send invoice,这里可以Combine postage,你把运费合并以后确认,这样顾客再去付款就可以了。
Let him order without paying, you find this order on the unpaid page, and then select send invoice, where you can combine postage, you can confirm the combined shipping fee, and then the customer can pay.