In Git despatch operation, branch A is behind B, A will advance to B

1. In the Git-based operation, branch A is behind B, and A will advance to B quickly. Click the button to start (fast forward). as shown in Figure 1

Figure 1

2. When changing the base again, it prompts: no need to change the base, A is equivalent to B. as shown in Figure 2

Figure 2

3. Check the git log to make sure that the commit log of the remote branch B is the same.

4. Force the local branch A to the remote branch A. as shown in Figure 3

Figure 3

5. Create a new merge request, and there is no submission record between branches A and B. There are no commits yet. as shown in Figure 4

Figure 4