There are some differences between duplicate checking platform and mutual checking in schools. Intra-school peer review will check the duplication of previous and current graduate papers, and the probability of duplication is high. For the case that the repetition rate of papers increases, it may be borrowed from the papers of the same session or seniors, so it is necessary to ask the school whether it can be revised.
Don't mention it for students' reference. If the mutual inspection rate is high, deal with it in time to see which contents are repeated and modified. The idea of revision is basically the same as that of weight reduction.