rails new blogs not install bundle generate error

Question

当我运行此命令时，它会生成错误，请检查

rails new app

  run  bundle install
/var/lib/gems/1.9.1/gems/bundler-1.6.1/lib/bundler/friendly_errors.rb:10:in `rescue in with_friendly_errors': uninitialized constant Thor::AmbiguousTaskError (NameError)
    from /var/lib/gems/1.9.1/gems/bundler-1.6.1/lib/bundler/friendly_errors.rb:5:in `with_friendly_errors'
    from /var/lib/gems/1.9.1/gems/bundler-1.6.1/bin/bundle:20:in `<main>'