There is a place to punch in, and you can only punch in the designated place.

The official version of Guojinyun app is a very easy-to-use life service mobile phone software, which has the functions of internship batch, news trends, address book, tasks and weekly reports, teachers and students' holidays, mobile phone attendance and so on. Guojinyun is an educational information integrated management system developed by Guo Jin Information Technology Co., Ltd. It has many management functions, such as graduation practice, graduation thesis, innovation and entrepreneurship, recruitment and employment, teaching evaluation, modern apprenticeship and so on.