以下方法是在当前的分支下新建一个分支，然后把之前分支删除，接着把新建的分支重命名为原分支名称，最后把分支强制推送到远程
1.Checkout git checkout --orphan latest_branch 2. Add all the files git add -A 3. Commit the changes git commit -am "commit message" 4. Delete the branch git branch -D master 5.Rename the current branch to master git branch -m master 6.Finally, force update your repository git push -f origin master
参考：
http://blog.csdn.net/yc1022/article/details/56487680