git-sync-with-upstream
```bash git checkout -b new-branch main git pull https://github.com/yihong0618/running_page.git upstream-branch
git checkout main git merge –no-ff new-branch git push origin main ```
```bash git checkout -b new-branch main git pull https://github.com/yihong0618/running_page.git upstream-branch
git checkout main git merge –no-ff new-branch git push origin main ```