Abstract: With the development of mobile networks, WeChat, as an instant messaging, has become one of the most important communication tools for undergraduate students. Based on WeChat work, mobile clients can be developed as a campus portal, namely the micro-campus, aiming to build a one-stop service platform for staffs and students. In this way, campus services are integrated with internet technology to realize the information query of computer rooms. In the mobile client, it includes account number and password query, teaching arrangement information query, equipment utilization information query, hardware and software resource configuration information query, etc. It offers a convenient tool to obtain real-time room information and improves utilization rate of computer rooms. Furthermore, this mobile client promotes the level of laboratory management.