打开“访达”,shift+command+G到资源库 “~/Library/Developer/Xcode/iOS DeviceSupport/”删除该目录下所有文件 shift+command+G到资源库 image.png 全部清掉 image.png 选择Xcode->Window->Devices and Simulators 真机设备,鼠标右键选择unpair the device image.png