控制台输出错误信息如下：
libMobileGestalt MobileGestalt.c:890: MGIsDeviceOneOfType is not supported on this platform.
[AXMediaCommon] Unable to look up screen scale.
[AXMediaCommon] Unexpected physical screen orientation.
错误信息
解决办法：
1.Product ->Scheme -> Edit Scheme，
2.选择左侧的’Run’，
3.Environment variables 中添加 Name: OS_ACTIVITY_MODE Value：disable
解决办法
