```ruby
class IntellijIdeaCommunity < Cask
  url 'http://download-ln.jetbrains.com/idea/ideaIC-13.0.1.dmg'
  homepage 'https://www.jetbrains.com/idea/index.html'
  version '13.0.1'
  sha1 '0f280843aaa1ba4cc5ab5b59d74e9592bc641fa3'
  link 'IntelliJ IDEA 13 CE.app'
end
```

Correct Intellij IDEA 13.0.1 SHA
user
```ruby
class IntellijIdeaCommunity < Cask
  url 'http://download-ln.jetbrains.com/idea/ideaIC-13.0.1.dmg'
  homepage 'https://www.jetbrains.com/idea/index.html'
  version '13.0.1'
  sha1 '99d18d3fcd49e9b93759dec13a950caf01b8570e'
  link 'IntelliJ IDEA 13 CE.app'
end
```
assistant