How to have a lesson on finding a knowledge tree?

According to the query of the Knowledge Tree Network, the steps of searching for knowledge tree lessons are as follows:

1. There is a meeting class arrangement under the course card of my school, which will prompt how many meeting classes there are and the time of the last meeting class. In addition, my meeting class will be prompted on the right side of the webpage.

2. Click on the menu bar on the left side of the school homepage to meet the class. If there is a meeting in the class, it will all be displayed.