cask :v1 => 'thunderbird-cn' do version '31.1.2' sha256 '0a6520b64c16788e7aff8801d9b5c8e24b4a7c3f7967232a7e97b73bc803a177' url "http://ftp.mozilla.org/pub/mozilla.org/thunderbird/releases/#{version}/mac/zh-CN/Thunderbird%20#{version}.dmg" homepage 'https://www.mozilla.org/zh-CN/thunderbird/' license :oss app 'Thunderbird.app' end