How to cancel the classroom closing mode with the smart campus electronic student ID card

Unable to close. According to the query of Smart Campus Network, the electronic student ID card can't release the class mode. The electronic student ID card can be bound to mobile phones such as mobile phones, telecommunications and China Unicom, and parents can receive homework assigned by teachers and school notices by SMS. At the same time, there is an infrared scanner at the school gate. Students hang the "electronic student ID card" on their chests, and it will be automatically scanned and verified when it passes. Then parents can receive text messages in time, and parents can see at a glance when their children arrive and leave school.