1. First, self-service refund will be processed by painting. Students need to log in to official website, enter the Member Center, click "My Face-to-Face Course" in the sidebar on the left to view all the flights that have been reported, and then click the "Refund" button after applying for a refund.

2. Secondly, enter the agreement class refund application page, where students fill in all the information required for the refund application and click Submit.

3. At last, the prompt box "Refund has been successfully applied" appears, indicating that the self-service refund has been successfully processed.