常见问题:创建并添加产品到优惠券中
问:为什么我在输入一个时间段后会得到一个错误信息?
A:检查输入的开始和结束时间。
启动时间应在当前时间之后
结束时间应在开始时间后至少1小时
结束时间最多在开始时间后3个月
问:为什么我不能在产品选择器中添加一些适用于我的凭证的产品?
答:您不能添加在同一时期内已售完、不可用或已有代金券的产品。
这些产品将变成灰色，您将无法选择它们。
问:我可以重用我以前创建的凭证代码吗?
您可以在优惠券到期后的30天内重新使用优惠券代码。
Shopee官网原文详情：
FAQ: Creating and adding products into Vouchers
Q:Why do I get an error message after entering a time period?
A:Check the start and end time entered.
Start time should be after current time
End time should be at least 1 hour after start time
End time should be at most 3 months after start time
Q:Why can’t I add some products to be applicable for my voucher in the Product Selector?
A:You cannot add products that are sold out, unavailable or have an existing voucher in the same period.
These products will be greyed out and you will not be able to select them.
Q:Can I reuse a voucher code that I have created previously?
A:You can reuse a voucher code 30 days after the voucher end date.
文章来源：Shopee官方网站
