First of all, you need to see why the application failed. Is it because of the product you purchased? And then it does not meet the requirements of the store?

Generally speaking, he does not have any special circumstances online. He will not apply for a refund. Just like there is no problem with the product, he usually applies for a refund. He has a list of which items can be refunded and which cannot be refunded. Some merchants have a seven-day no-reason refund, but some merchants have not set up that seven-day no-reason. There is also another one. Some merchants will not approve if you do not refund. It may be the shipping fee or something. He did not set up the shipping fee at that time, so he will not approve it.