Heroku创建时出错，导轨2.3.8

如何解决Heroku创建时出错，导轨2.3.8

| 我正在Windows XP上运行Rails 2.3.8，并尝试第一次在Heroku上进行部署。一切在开发中都可以正常工作，但是当我做“ 0”时，我得到以下想法，有什么想法吗？谢谢。

C:/Ruby/lib/ruby/gems/1.8/gems/rest-client-1.6.1/lib/restclient/abstract_response.rb:50: warning: parenthesize argument(s) for future version
C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command/base.rb:130:in `extract_description\': wrong argument type Symbol (expected Proc) (TypeError)
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command/base.rb:126:in `extract_summary\'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command/base.rb:64:in `method_added\'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command/addons.rb:14
        from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require\'
        from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require\'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command.rb:17:in `load\'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command.rb:16:in `each\'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command.rb:16:in `load\'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/bin/heroku:13
        from C:/Ruby/bin/heroku:19:in `load\'
        from C:/Ruby/bin/heroku:19