执行命令mvim text.rb打开文件，出现这样信息：

dyld: Symbol not found: __cg_jpeg_resync_to_restart
  Referenced from: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO
  Expected in: /opt/local/lib/libJPEG.dylib
 in /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO
Trace/BPT trap: 5

还有，把那个 MacVim 图表放到应用程序里，点击之后虽然在 dock 出现了，实际却什么界面都没有。