Yes, I've realized my mistake, so I'll be gradually correcting the edits I made in Arunachal over the next while. I'm sorry for the inconvenience this caused you.
With the most sincere

I just think that since China controls the upstream areas of the river, they have the authority to make changes on their own. If this has caused you any inconvenience, thank you for your criticism and feedback.

sorry，误操作误操作，之前动边界时划到此地，查看边界时可能是不小心点击误触改变了边境