錯誤而啓動的Rails服務器

你好，我是新來的Ruby和Rails ...但是，當我開始在軌服務器我收到此錯誤錯誤而啓動的Rails服務器

這是我收到

D:\mynewapp>ruby script/server

錯誤=>引導的WEBrick =>的Rails 2.3.5應用開始於http://0.0.0.0:3000 d：/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb：36：在需要」從d require': n such file to load -- rush (MissingSourceFile) from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from D:/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb:156:in塊：/ ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port /dependencies.rb:521:in new_constants_in' from D:/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb:156:in要求D：/mynewapp/vendor/gems/delayed_job-1.7.0/lib/delayed/worker.r 中的 1：在<top (required)>' from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from D:/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb:156:in中要求' from D：/ ruby /lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb：521：new_constants_in' from D:/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb:156:in要求D：/mynewapp/vendor/gems/delayed_job-1.7中的' 。 0/lib/delayed_job.rb：6 n <top (required)>' from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from D:/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb:156:in要求' 中的塊來自D：/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb ：521：在new_constants_in' from D:/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb:156:in要求D：/mynewapp/config/environment.rb：39：在block in <top (requir )>' from D:/ruby/lib/ruby/gems/1.9.1/gems/rails-2.3.5/lib/initializer.rb:1 :in從D：/ mynewapp/config/enviro運行' '' nment.rb：9：<top (required)>' from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from D:/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb:156:in中的塊要求' from D：/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb：521：in new_constants_in' from D:/ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s port/dependencies.rb:156:in需要來自D：/ruby/lib/ruby/gems/1.9.1/gems/rails-2.3.5/lib/commands/server的' 。：84：在<top (required)>' from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from D:/ruby/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' from script/server:3:in「