Ruby on rails Rails未与Rails一起安装安装，尽管没有错误消息

我已经下载了最新的windows Rails安装程序.exe。我已经运行了它，并且一切似乎都很成功，检查时我得到以下输出：

$ ruby -v

ruby 2.2.4p230 (2015-12-16 revision 53155) [i386-mingw32]

$ gem install rails

Successfully installed rails-4.2.5.1

Parsing documentation for rails-4.2.5.1

Done installing documentation for rails after 1 seconds

1 gem installed
$ rails new app
The system cannot find the path specified

---

看来它没用了？？这是为什么？我能做些什么来补救？

我发现

C:\RailsInstaller\Ruby2.2.0\bin中rails.bat的内容路径错误。

@ECHO OFF
IF NOT "%~f0" == "~f0" GOTO :WinNT
@"C:\Users\emachnic\GitRepos\railsinstaller-windows\stage\Ruby2.2.0\bin\ruby.exe" "C:/Users/emachnic/GitRepos/railsinstaller-windows/stage/Ruby2.2.0/bin/rails" %1 %2 %3 %4 %5 %6 %7 %8 %9
GOTO :EOF
:WinNT
@"C:\Users\emachnic\GitRepos\railsinstaller-windows\stage\Ruby2.2.0\bin\ruby.exe" "%~dpn0" %*

因此

C:\Users\ematechnic\GitRepos\railsinstaller windows\stage\Ruby2.2.0\bin\ruby.exe

必须是

C:\railsinstaller\Ruby2.2.0\bin\ruby.exe