ruby on rails rails版本require请求换了台电脑

C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/spec_set.rb:92:in `block in materialize': Could not find rake-10.1.0 in any of the sources (Bundler::GemNotFound)

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/spec_set.rb:85:in `map!'

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/spec_set.rb:85:in `materialize'

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/definition.rb:132:in `specs'

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/definition.rb:177:in `specs_for'

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/definition.rb:166:in `requested_specs'

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/environment.rb:18:in `requested_specs'

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/runtime.rb:13:in `setup'

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler.rb:121:in `setup'

        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/setup.rb:17:in `<top (required)>'

        from <internal:lib/rubygems/custom_require>:33:in `require'

        from <internal:lib/rubygems/custom_require>:33:in `rescue in require'

        from <internal:lib/rubygems/custom_require>:29:in `require'

        from D:/projects/lantan_BAM/config/boot.rb:6:in `<top (required)>'

        from <internal:lib/rubygems/custom_require>:29:in `require'

        from <internal:lib/rubygems/custom_require>:29:in `require'

        from script/rails:5:in `<main>'