Rails errors

执行 rails g bootstrap:install 出错

编辑Gemfile，添加 gem 'therubyracer'
gem 'less-rails'
gem 'twitter-bootstrap-rails'

然后执行：bundle install
Bundle complete! 15 Gemfile dependencies, 61 gems now installed.
Use bundle show [gemname] to see where a bundled gem is installed.

执行结果：
rails generate bootstrap:install
Running via Spring preloader in process 258
nsert app/assets/javascripts/application.js
create app/assets/javascripts/bootstrap.js.coffee
create app/assets/stylesheets/bootstrap_and_overrides.css.less
create config/locales/en.bootstrap.yml
gsub app/assets/stylesheets/application.css