The reasons for arbitration after sci overhaul are: the reviewers still have objections to the revised papers, the authors have different views on the opinions of the reviewers, and the editorial department has doubts about the quality and academic value of the papers.

1. The reviewers still have objections to the revised paper: after the overhaul, the reviewers may still think that the paper has problems or does not meet the requirements of the journal, so they still raise objections.

2. The author has different views on the reviewer's opinions: during the overhaul, the author may have different views on the reviewer's opinions and cannot reach an agreement.

3. The editorial department has doubts about the quality and academic value of the paper: after the overhaul, the editorial department may have doubts about the quality and academic value of the paper and think that the paper still has problems or does not meet the requirements of the journal.