How to punch cards healthily in today's campus?

1. First, open today's campus on your mobile phone.

2. Go to the main page of today's campus and click on the message at the bottom of the screen to see the health punch message pushed by the school every day.

3. Click to enter the temperature test and select the appropriate punching time.

4. Finally, turn on the mobile phone to locate, click Sign in, and the sign-in operation is completed.