1. Contact customer service: first log in to official website or its application in late autumn, find out the contact information of customer service, such as online customer service and telephone customer service, explain the situation to the customer service staff and apply for a refund.
2. Check the refund policy: check the refund policy in official website in late autumn or apply information technology to understand the refund conditions and procedures, and apply for a refund according to the policy requirements.
3. Waiting for approval: Once you apply for a refund from the customer service staff and provide relevant supporting materials, you need to wait patiently for the approval of information technology in late autumn. Usually in late autumn, it will review your refund application within a certain period of time and decide whether to approve the refund according to the review results.