1. Login page. Enter the user name and password in the login interface, then check it with the slider, and finally click Quick Login.

2. Click Select Course in the menu bar on the left side of the login page, and the corresponding course will appear in the menu bar on the right side. You can choose a course.

3. Check the courses you need, drop them down to the bottom, click Submit Required Courses, and a new dialog box will pop up. Click submit course selection, that is, the course selection is successful.