问题：
Where does the name 'default' come from when launching a vagrant box? 启动流浪盒时，“默认”这个名称来自哪里？
$ vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
Is there a way to set this? 有没有办法设置这个？
解决方案：
参考一： https://stackoom.com/question/1CsSr参考二： How to change Vagrant 'default' machine name?