1, operating on the tag
Check local tag
git tag -l
View remote tag
git ls-remote --tags origin
Delete the local tag
git tag -d yourtagname
Delete remote synchronization tag
git push origin :refs/tags/yourtagname
Create a tag
git tag -a yourtagname -m "my first tag"
The tag's push to create a remote repository
git push origin yourtagname
2, the operation on the branch