I applied for this year's graduation thesis defense in the School of Government Administration Self-taught Examination of Nanjing University, but what should I do if I can't contact my tutor?

This is normal. Please don't worry. Tutors are usually busy. Tutors will regularly reply to the papers of self-taught candidates in a unified way. Before finalizing it, he will reply whether you have finalized it. If he is afraid to reply to you, you can go to the school self-study office to find the person in charge to arrange a reply for you. The paper is valid as long as it is completed one day before the defense. Many self-taught candidates I met can only pass the papers on the day of defense. Self-taught thesis is just a process. Don't worry too much, just