1. Log on to the official website of Wanda Loan, find "Help Center" at the top of the page and click Enter.
2. Find "Contact Us" on the Help Center page and click.
3. Select "Online Customer Service" or "After-sales Service" on the "Contact Us" page to enter the online customer service or after-sales service window.
4. Ask the customer service about the refund in the online customer service or after-sales service window, and provide the required relevant information.
5. The customer service will conduct a preliminary review according to the information provided, and guide the follow-up operation of the interest refund application.