1. Browser setting problem: The browser setting is incorrect, which makes it impossible to jump to app authentication correctly.
2. Network connection problem: unstable network connection or poor signal will affect data transmission, resulting in failure to jump to app authentication.
3. Xue Xin. Com, the full name of China Higher Education Student Information Network, is a large-scale data warehouse and e-government platform sponsored by the Center for Student Service and Quality Development of the Ministry of Education (formerly the National Center for College Students' Information Consultation and Employment Guidance). This website is a collection of college enrollment, academic certification and graduate employment information. It is the only academic inquiry website designated by the Ministry of Education, the sunshine project of college enrollment of the Ministry of Education, and the national postgraduate enrollment adjustment website.