![qq20140214-1](https://f.cloud.github.com/assets/148678/2168538/650927e4-9542-11e3-8d30-d8b012ed2c79.png)

As you look, when I try to run 'brew cask install omnioutliner-pro', and brew-cask report the error I just comment, and, I try to cat the file which brew-cask just pulls down, it's empty, not a .dmg file at all!