During the overhaul of the thesis, doctoral students can make corrections according to the guidance of their tutors and submit the thesis on time. If doctoral students need to postpone, they need to apply to the tutor or relevant institutions and explain the reasons. The extension usually does not exceed one year.

In a word, the overhaul of doctoral thesis does not necessarily need to be postponed, but needs to be decided according to the specific situation. If doctoral students need to postpone, they need to apply to the tutor or relevant institutions and postpone in accordance with relevant regulations.