Modify the content of the paper: modify and delete the repeated parts, especially the parts suspected of plagiarism, which can be restated or deleted.
Annotate or quote: For the part that cannot be modified, you can annotate or quote, indicating that this part refers to other people's research results.
Redesign or reacquire the data: If experimental data, pictures, charts and other contents appear in the paper, you can redesign or reacquire the data to avoid repetition.
Use other duplicate checking software for self-examination: You can find some free or paid duplicate checking software for self-examination to ensure the originality and legitimacy of the paper.
Consult a tutor or a professional: If the above methods fail to solve the problem, you can consult a tutor or a professional paper editing institution for professional help.