xcode 8本身没有iOS 10.3 的device support files,所以真机debug时会报 This iPhone 6 Plus is running iOS 10.3.2 (14F89), which may not be supported by this version of Xcode 错误,需要下载iOS 10.3的device support files,找了好久终于找到了,自己留一份,
下载链接: https://pan.baidu.com/s/1eSN8rn0 密码: dnch
下载后放在 /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/目录下即可