Hello! You need to check whether the product you purchased supports refund, if so, please log in to your account, in the upper right corner of "My Nuomi" - "My Orders" - "All Orders" to find the order you need to refund, click on the "Refund" button, and follow the prompts. If so, please log in to your account, go to "My Nuomi"-"My Orders"-"All Orders" in the upper right corner, find the order you need to refund, click the "Refund" button, and follow the prompts to operate. You can contact Nuomi customer service by calling 4006-888-887, following the Sina microblog "Nuomi Customer Service Nuomi/nuomiwangkefu", joining Nuomi official group 169875637, and other ways to contact Nuomi customer service for consultation. Thank you for your support of Nuomi!