相关疑难解决方法(0)

在终端上运行brew命令时出现此错误.需要帮助解决.

 /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- utils/popen (LoadError)
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/Library/Homebrew/utils.rb:6:in `<top (required)>'
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/Library/Homebrew/global.rb:9:in `<top (required)>'
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/Library/brew.rb:16:in `<main>'

这是我的env gem设置:

• RUBYGEMS版本:2.0.14
• RUBY VERSION:2.0.0(2014-02-24 patchlevel 451)[universal.x86_64-darwin13]
• 安装目录:/ Library/Ruby/Gems/2.0.0
• RUBY EXECUTABLE:/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby
• 可执行的目录:/ usr/bin
• RUBYGEMS PLATFORMS:
  • 红宝石
  • 通用 - 达尔文-13
• 创业板路径:
  • /Library/Ruby/Gems/2.0.0
  • /Users/ronaldkwan/.gem/ruby/2.0.0
  • /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/gems/2.0.0
• 创业板配置:
  • :update_sources => true
  • :verbose => true
  • :backtrace => false
  • :bulk_threshold => 1000