安装组件后Xcode 6.1出错了.Xcode安装程序是来自其他mac的副本.请帮我解决dyld_sim错误....谢谢
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/lib/dyld_sim is not owned by root.