7 working days. According to the announcement on the official website of Query Dewu, on this platform, if you purchase shoes with a credit card and pay in installments, the refunds are divided into the following two types. The order refunded by the user is not shipped, and the refund is received immediately. User refund The order has been shipped, and it will take 7 working days for a refund. Dewu App is the world's leading new generation trendy online shopping community that integrates genuine trendy equipment, trendy product identification, and trendy lifestyle communities.