1, don't be nervous and worried. We failed in the first defense, and there is still a chance to defend again, but we should learn to study the paper carefully, analyze the reasons for the failure of the defense, and summarize the reasons for the failure.
2. Communicate with the tutor as soon as possible, listen to the opinions of the tutor and revise the paper. _ If your opinion is inconsistent with that of the instructor, correct it according to the instructor's opinion. 3. When revising the paper, communicate with seniors and teachers more, and let others put forward opinions and make revisions. Then I will be familiar with my own paper and practice some imaginary problems repeatedly.