ios iPhone xxx is not available because it is unpaired. Pair with the device in

Xcode 运行 ios真机 报错：

iPhone xxx is not available because it is unpaired. Pair with the device in the Xcode Devices Window, and respond to any pairing prompts on the device.

原因是设备没授权好，先断开重新授权下，执行命令：

$ sudo pkill usbmuxd

然后重启 Xcode，连接手机，进行信任授权即可。