1. Contact customer service: contact the customer service staff or the organizer of the course as soon as possible to inform the refund problem. You can contact through private mail, email or customer service channels in the platform.

2. Communicate the refund process: communicate with customer service to understand the specific process, conditions and materials to be submitted for refund. Make sure that you clearly understand the refund requirements and procedures.

3. Prepare refund evidence: When applying for a refund, prepare relevant evidence, such as screenshots of payment for purchasing courses and course information. These evidences can help to prove the fact of purchase and refund.

4. Choose the refund method: according to the regulations of Tik Tok platform, choose the appropriate refund method. You can usually choose to return the payment account in the original way, Tik Tok wallet or other designated refund methods.

5. Waiting for refund processing: After submitting the refund application, wait for the Tik Tok platform to process the refund request. The time for refund processing will vary, depending on the processing speed of the platform.

6. Follow up the refund progress: If you don't receive the refund within the specified time, you can contact the customer service or the platform in time to understand the refund progress and consult the solution.