vagrant 启动报错Vagrant assumes that this means the command failed？

Question

default: Guest Additions Version: 4.2.0 
    default: VirtualBox Version: 5.0 
==> default: Mounting shared folders... 
    default: /vagrant => C:/Users/Administrator/Desktop/www 
The following SSH command responded with a non-zero exit status. 
Vagrant assumes that this means the command failed! 

    chown `id -u vagrant`:`id -g vagrant` /vagrant 

Stdout from the command: 

Stderr from the command: 

stdin: is not a tty 
chown: changing ownership of `/vagrant': Not a directory 

Answer 1

找不到/vagrant目录或者所有者不是vagrant.vagrant的意思吗？

自己建一个/vagrant空目录，然后chown vagrant.vagrant /vagrant