Of course. According to the refund regulations of Yunshangke app, the refund application can be submitted within 5 days of the guarantee period, and the refund will not be accepted after 5 days, so the purchasing members of Yunshangke app can refund the money. Introduction to Yunshangke app "Yunshangke" is a highly intelligent customer information platform and marketing system, which integrates the information and data platforms of major industries in the market.