Ruby on rails 无法加载这样的文件--capistrano/cli(LoadError)

Ruby on rails 无法加载这样的文件--capistrano/cli(LoadError),ruby-on-rails,Ruby On Rails,我正在rails应用程序中使用Capistrano部署工具。如果我尝试使用Capistrano运行Capistrano,则会出现此错误。错误如下所示 > /home/user/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- capistrano/cli (LoadError) from

我正在rails应用程序中使用Capistrano部署工具。如果我尝试使用Capistrano运行Capistrano,则会出现此错误。错误如下所示

> /home/user/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- capistrano/cli (LoadError)   from
> /home/stllpt010/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require' from /usr/bin/cap:3:in `<main>'
/home/user/.rvm/rubies/ruby-2.2.0/lib/ruby/site\u ruby/2.2.0/rubygems/core\u ext/kernel\u require.rb:54:“require”中:无法从
>/home/stllpt010/.rvm/rubies/ruby-2.2.0/lib/ruby/site\u ruby/2.2.0/rubygems/core\u ext/kernel\u require.rb:54:in“require”from/usr/bin/cap:3:in“require”
我如何解决这个问题