我剛安裝了rails 3.0.1，當我嘗試做類似rails server的操作時，我在下面看到了錯誤消息。更改我的應用程序正在使用的版本或導軌
注意第一行說它找不到rails gem 3.0.0.rc： 在任何gem s 資源中都找不到gem'rails（= 3.0.0.rc，runtime）'。 （Bundler :: GemNotFound）
如何讓我的rails3應用程序使用rails 3.0.1？
謝謝，
-p.s.完整的錯誤：
C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resolver.rb：280：在 resolve': Could not find gem 'rails (= 3.0.0.rc, runtime)' in any of the gem s ources. (Bundler::GemNotFound) from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resol ver.rb:162:in啓動」 從C： /Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resol ver.rb：131：在block in resolve' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resol ver.rb:130:in catch' from C：/ Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resol ver.rb：130：resolve' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/defin ition.rb:153:in從C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0解析' .3/lib/bundler/defin ition.rb：93：specs' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/defin ition.rb:137:in specs_for' from C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/defin ition.rb：126：requested_specs' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/envir onment.rb:23:in requested_specs' from C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/runti me.rb：11：in setup' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler.rb:10 0:in設置 ' 從C：/用戶/ soheil /文檔/集錦工作室3工作區/ pakrat-Rails3中/ C onfig /的boot.rb：5：在<top (required)>' from <internal:lib/rubygems/custom_require>:29:in需要' 從 ：29：在require' from script/rails:8:in'