ruby-on-rails - anjlab-bootstrap，未初始化的常量 Bootstrap::Rails::Application，Rails 4

Question

包含@import "twitter/bootstrap";在application.css.scss

包含//= require twitter/bootstrap在application.js

我的宝石文件：

source 'https://rubygems.org'
gem 'rails', '4.0.0' 
gem 'pg'
gem 'sass-rails', '~> 4.0.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.0.0'
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 1.2'

group :doc do
gem 'sdoc', require: false
end

gem 'anjlab-bootstrap-rails', :require => 'bootstrap-rails',:github => 'anjlab/bootstrap-rails', :branch => '3.0.0'