The academic affairs office will issue the graduation certificate at the end of June, and then each school will have the final deadline for defense. No matter how many times you reply, as long as you can finish it before the school deadline, you should consult with your defense tutor group.
According to the notice of the Ministry of Education, go through the formalities of leaving school, and get the graduation certificate, degree certificate (only for graduates who meet the qualification of awarding bachelor's degree) and report card from the counselor of the department with the graduation leave form and student ID card (or reissue certificate).