Nail house students can't punch in every day.

Is there no reason for students to punch in every day? Network problems, system problems, operation problems.

1. According to official website's query, network problem: the user's network is unstable, which will lead to the failure of punching in. The user changes the network environment and tries to submit it again when the network is in good condition.

2. System problem: There will be bugs in the nailing system, which will make it impossible to submit punch cards. In this case, users will contact nail customer service and school administrators in time to seek solutions.

3. Operation problem: users will make mistakes in the operation process, which will lead to the failure of punching in. Users should check whether their operation steps are correct, and if there is any problem, they can operate again.