当我在Windows控制台上尝试命令“rails new test_install”时，它说：
C:\Windows\system32>cd C:\
C:\>rails new test_install
exist
identical README.rdoc
identical Rakefile
identical config.ru
identical .gitignore
identical Gemfile
exist app
identical app/assets/javascripts/application.js
identical app/assets/stylesheets/application.css
identical app/controllers/application_controller.rb
identical app/helpers/application_helper.rb
identical app/views/layouts/application.html.erb
identical app/assets/images/.keep
identical app/mailers/.keep
identical app/models/.keep
identical app/controllers/concerns/.keep
identical app/models/concerns/.keep
exist bin
identical bin/bundle
identical bin/rails
identical bin/rake
identical bin/setup
exist config
identical config/routes.rb
identical config/application.rb
identical config/environment.rb
conflict config/secrets.yml
Overwrite C:/test_install/config/secrets.yml? (enter "h" for help) [Ynaqdh] a
force config/secrets.yml
exist config/environments
identical config/environments/development.rb
identical config/environments/production.rb
identical config/environments/test.rb
exist config/initializers
identical config/initializers/assets.rb
identical config/initializers/backtrace_silencers.rb
identical config/initializers/cookies_serializer.rb
identical config/initializers/filter_parameter_logging.rb
identical config/initializers/inflections.rb
identical config/initializers/mime_types.rb
identical config/initializers/session_store.rb
identical config/initializers/wrap_parameters.rb
exist config/locales
identical config/locales/en.yml
identical config/boot.rb
identical config/database.yml
exist db
identical db/seeds.rb
exist lib
exist lib/tasks
identical lib/tasks/.keep
exist lib/assets
identical lib/assets/.keep
exist log
identical log/.keep
exist public
identical public/404.html
identical public/422.html
identical public/500.html
identical public/favicon.ico
identical public/robots.txt
exist test/fixtures
identical test/fixtures/.keep
exist test/controllers
identical test/controllers/.keep
exist test/mailers
identical test/mailers/.keep
exist test/models
identical test/models/.keep
exist test/helpers
identical test/helpers/.keep
exist test/integration
identical test/integration/.keep
identical test/test_helper.rb
exist tmp/cache
exist tmp/cache/assets
exist vendor/assets/javascripts
identical vendor/assets/javascripts/.keep
exist vendor/assets/stylesheets
identical vendor/assets/stylesheets/.keep
run bundle install
C:/RailsInstaller/Ruby2.2.0/lib/ruby/site_ruby/2.2.0/rbreadline.rb:1097:in `<mod
ule:RbReadline>': HOME environment variable (or HOMEDRIVE and HOMEPATH) must be
set and point to a directory (RuntimeError)
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/site_ruby/2.2.0/rbreadline.rb:
17:in `<top (required)>'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/site_ruby/2.2.0/readline.rb:10
:in `<module:Readline>'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/site_ruby/2.2.0/readline.rb:8:
in `<top (required)>'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2
/lib/bundler/vendor/thor/lib/thor/line_editor/readline.rb:2:in `<top (required)>
'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2
/lib/bundler/vendor/thor/lib/thor/line_editor.rb:2:in `<top (required)>'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2
/lib/bundler/vendor/thor/lib/thor/base.rb:8:in `<top (required)>'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2
/lib/bundler/vendor/thor/lib/thor.rb:2:in `<top (required)>'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2
/lib/bundler/vendored_thor.rb:2:in `<top (required)>'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2
/lib/bundler/friendly_errors.rb:3:in `<top (required)>'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel
_require.rb:54:in `require'
from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2
/exe/bundle:16:in `<main>'
ruby -v
ruby 2.2.4p230 (2015-12-16 revision 53155) [i386-mingw32]
rails -v
Rails 4.2.5.1
git --version
1.9.4.msysgit.2
安装RailsInstaller时，我标记了一个框“将Ruby，DevKit和Git的可执行文件添加到PATH”，但它没有成功。我应该将哪些目录复制粘贴以更改环境变量路径？或问题还有其他什么？
由于