1. Enter official website and Shang He, click on "My Order", find "Apply for After-sale", select "Return for Refund", fill in the return information according to the page prompts, and wait for Shang He Company to review after the successful submission.

2. After the approval, send the goods back to Shanghe Company and fill in the logistics information after sending them.

3. Wait for Shanghe Company to receive the goods, review them after receipt, and refund them after approval.