How to cancel enrollment in Tencent Classroom

1, first into the Tencent Classroom home page, click on their QQ nickname into the "my Course"

2, or can also directly in the Group page right click on the course, choose to enter the "View course Details" entry, and then click on the upper right corner of the nickname into "My Course":

3, it shows the course I enrolled, and then select "My registration Record", in the registration record can be "cancellation"

5, the cancellation will be able to see the group page there is no scheduled courses