快速检出上一个分支： ~~~ $ git checkout - # Switched to branch 'master' $ git checkout - # Switched to branch 'next' $ git checkout - # Switched to branch 'master' ~~~ [_进一步了解 Git 分支._](http://git-scm.com/book/en/Git-Branching-Basic-Branching-and-Merging)