If you want to change the topic that has been submitted to the system at the beginning of the paper, you can communicate with your tutor and see if you can change it. If so, how to operate, according to the process, subject to the requirements of the school.
If it is a finalized paper uploading system, even if the topic needs to be changed after the defense, only one or two words can be changed, you can also communicate with the tutor to see if the opinions of the judges and teachers are worth adopting.
Notes on the finalization of graduation thesis:
The cited materials and papers are accurate. If the original paper is quoted, the sentences are accurate and complete, and quotation marks are used to avoid repetition. The repetition rate of papers should meet the requirements of the school, the technical terms cited should be accurately interpreted, and the special research methods should be marked with references.
The above contents refer to Baidu Encyclopedia-Final Paper.