1. First, turn on your mobile phone, click on WeChat APP, click+,search for "Class Manager" and click on the "Class Manager" applet.

2. Secondly, click "WeChat Login" and then click "Allow". Open it and slide to the left until you enter the page, then click "I am a student" and "click here" to join the small class and fill in the student information.

3. Finally, click Punch, and then click "Go Punch" to see the punching information released by the teacher and read the relevant requirements for punching.