我使用了
git branch -m dev test，本地分支改为test了
但是上传完还是dev的远程分支，这个要怎么改呢？

送你三句代码

git branch -m old_branch new_branch # Rename branch locally 
git push origin :old_branch # Delete the old branch 
git push --set-upstream origin new_branch # Push the new branch, set local branch to track the new remote