According to the official information of Dalian University of Technology, there has never been a case where the thesis defense can't be completed. Generally, you have two chances to reply, so you should accurately grasp the time and opportunity of your second reply so as to revise your paper in time. Remember, be sure to keep in touch with your tutor and ask him to revise the paper. If the defense fails, you can consult the academic affairs office of the college and generally pass.

Generally speaking, as long as your paper has been checked and submitted for review, the school teacher will not ask you to reply. To take a step back, if all the above processes fail, you can modify them and resubmit them. It's just a postponement of graduation Don't worry, don't have mental burden, be familiar with the content of the paper and be able to answer the teacher's questions.