If it is only the beginning of the paper and you want to change the topic that has been submitted to the system, you can communicate with your tutor and see if you can change it. If you can, how to operate and how to follow the process will be 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.
Basic requirements for undergraduate graduation thesis:
Undergraduate graduation thesis indicates that the author has made creative achievements or gained new insights in scientific research, and on this basis, it is written as a scientific research achievement to apply for a bachelor's degree in this discipline. This achievement can show that the author has really mastered the basic theory, professional knowledge and basic skills of this subject, and has the initial ability to engage in scientific research or undertake professional and technical work.