1. Open the core education student center and enter the unsubscribe management interface.
2. In the unsubscribe application, the system will automatically display the paid courses that have not been studied by default, select the courses that need to be unsubscribed, and click Apply to unsubscribe.
3. The unsubscribe dialog box appears, select the reason for unsubscribe, and click Apply for unsubscribe to successfully withdraw from the class.