虚拟机启动报错：
Bringing machine ‘homestead-7’ up with ‘virtualbox’ provider…
==> homestead-7: Checking if box ‘lc/homestead’ version ‘6.4.1’ is up to date…
Your VM has become “inaccessible.” Unfortunately, this is a critical error
with VirtualBox that Vagrant can not cleanly recover from. Please open VirtualBox
and clear out your inaccessible virtual machines or find a way to fix
them.
到目录：
C:\Users\Administrator\VirtualBox VMs\homestead-7
把homestead-7.vbox-tmp 修改成 homestead-7.vbox 就ok了，重启成功