I put it to a new directory A, the local structure becomes
And when I synchronize it with Winscp, the software do it as below.
1. Delete a.mp4 in remote host
2. Send a.mp4 from local to remote
Because of big size of the file, it takes a long time and is a low effective way.
We can do like this instead:
1.Create directory A in remote host
2.Move a.mp4 to A, only occurs in remote host
Then it will take almost no time to finish.