1 、彻底关闭Xcode跟模拟器
2、sudo killall -9 com.apple.CoreSimulator.CoreSimulatorService
3、rm -rf ~/Library/Developer/CoreSimulator/Devices
4、重启Xcode。
1 、彻底关闭Xcode跟模拟器
2、sudo killall -9 com.apple.CoreSimulator.CoreSimulatorService
3、rm -rf ~/Library/Developer/CoreSimulator/Devices
4、重启Xcode。