(1) Prompts that the mobile phone number information is not filled in correctly. See if there is a space bar before or after the mobile phone number or in the middle. It is best to enter the mobile phone number manually. Generally, there will be a copy and paste space bar.
(2) The detailed address bar, street, specific community and house number should be filled in completely.
If it still doesn't work, close all applications, restart your phone and try again. If not, try another mobile phone.
If you really can't use the Perfect Campus APP// Alipay Perfect Campus applet to punch in due to mobile phone or other reasons, please report to the unit administrator or counselor, and the unit will communicate with the relevant departments of the school about other punching methods.