Paste this into your terminal:
curl -fsSL https://raw.githubusercontent.com/supermarin/Alcatraz/deploy/Scripts/install.sh | sh
Alcatraz is available for OSX 10.9+ and Xcode 5+ only.
Delete the plugin:
rm -rf ~/Library/Application\ Support/Developer/Shared/Xcode/Plug-ins/Alcatraz.xcplugin
Remove all cached data:
rm -rf ~/Library/Application\ Support/Alcatraz
原文：http://www.cnblogs.com/Cheetah-yang/p/4718848.html