According to the fourth point of the "Specifications for the Format of Postgraduate Thesis of National Sun Yat-sen University" as follows, the cover date of the thesis should be the same as the graduation date of the diploma.

4. Cover (including spine): [Detailed Annex 1 and examples]
1. Cover: Including Chinese and English school name, department name, degree, thesis title, author name, guidance professor and graduation year.

◎ Example: Please confirm the graduation year and semester first, if you graduate in the first semester of the 108th school year, and fill in the system (see below)

Academic Year 108
Semester 1
The graduation year and month of the cover are the same as the graduation certificate (PS: Take the first semester of the 108 academic year as an example, currently you can fill in January or February, mainly by the Academic Affairs Office)