Ask the school. If you don't contact the school registration management department, go back to the school where you graduated and issue a certificate to prove your academic qualifications. The certificate should indicate your name, ID number, enrollment time, graduation time, major, graduation certificate number and other information. Entrusted by the Ministry of Education, the National College Students' Information Consulting and Employment Guidance Center is responsible for the technical, transactional, online inquiry and certification services of electronic registration and filing of higher education qualifications. It is the only authoritative institution in China authorized to provide information consulting services on academic qualifications of higher education.