C:\Users\Administrator>D:

D:>cd Vanrant

D:\Vanrant>
D:\Vanrant>
D:\Vanrant>mkdir centos7

D:\Vanrant>cd centos7

D:\Vanrant\centos7>vagrant init centos7
D:/软件/软件安装位置/Vagrant/embedded/mingw64/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:133:in require': cannot load such file -- log4r (LoadError) from D:/软件/软件安装位置/Vagrant/embedded/mingw64/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:133:inrescue in require’
from D:/软件/软件安装位置/Vagrant/embedded/mingw64/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:40:in require' from D:/软件/软件安装位置/Vagrant/embedded/gems/gems/vagrant-2.0.1/bin/vagrant:61:in’