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