Foreign students can modify their own data in their papers, but the general data should follow the real data obtained from your experiment, but often for some reasons, the data can't get the correct theory that the experiment can achieve, so you need to deduce the data of your experiment according to the correct theory, so you must modify your data at this time, otherwise you can't get the correct conclusion of the experiment, so the experiment is a failure. Then you won't get any benefits from doing this graduation thesis. It's a failure and it's not fair to your efforts, so you can change your data at this time.

There are two kinds of understanding of paper revision: broad sense and narrow sense. A broad understanding includes the revision of every link in the writing process; In a narrow sense, it refers to the processing and modification after the draft is completed. Whether it is a narrow understanding or a broad understanding. The content and scope of the revision of the paper generally include: the revision of ideas, including the revision of the theme, the revision of the use of materials, the revision of the structure, the revision of language and so on.