我刚刚在windows xp 32bit上使用rubyinstaller-2.0.0-p645安装了ruby。安装顺利，没有错误。我确保选中将红宝石添加到Windows路径的框。这是我的路径：
Directory of C:\Ruby200\bin
05/03/2015 02:17 PM <DIR> .
05/03/2015 02:17 PM <DIR> ..
04/14/2015 06:54 PM 4,397 erb
04/14/2015 06:54 PM 177 erb.bat
04/14/2015 06:54 PM 546 gem
04/14/2015 06:54 PM 177 gem.bat
04/14/2015 06:54 PM 318 irb
04/14/2015 06:54 PM 177 irb.bat
04/14/2015 06:54 PM 1,586,688 libeay32.dll
04/14/2015 06:54 PM 127,316 libffi-6.dll
04/14/2015 06:54 PM 140,586 libgdbm-3.dll
04/14/2015 06:54 PM 103,726 libgdbm_compat-3.dll
04/14/2015 06:54 PM 1,262,898 libiconv-2.dll
04/14/2015 06:54 PM 442,898 libyaml-0-2.dll
04/14/2015 06:41 PM 2,404,352 msvcrt-ruby200.dll
04/14/2015 06:54 PM 238,505 pdcurses.dll
04/14/2015 06:54 PM 1,320 rake
04/14/2015 06:54 PM 177 rake.bat
04/14/2015 06:54 PM 938 rdoc
04/14/2015 06:54 PM 177 rdoc.bat
04/14/2015 06:54 PM 188 ri
04/14/2015 06:54 PM 177 ri.bat
04/14/2015 06:41 PM 123,814 ruby.exe
04/14/2015 06:41 PM 123,814 rubyw.exe
02/13/2015 08:06 PM 312 setrbvars.bat
04/14/2015 06:54 PM 386,048 ssleay32.dll
04/14/2015 06:54 PM 78 testrb
04/14/2015 06:54 PM 177 testrb.bat
04/14/2015 06:54 PM 91,648 zlib1.dll
27 File(s) 7,041,629 bytes
2 Dir(s) 77,242,834,944 bytes free
然而，红宝石在提示时什么也没做。没有错误信息，没有。如果我转到Ruby安装文件夹的bin目录并输入ruby -v，例如，没有。提示刚刚返回。有谁知道如何解决这一问题？感谢。
以下是安装后的Ruby文件夹：
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