X-code7中真机测试时的两类错误:
- Please verify that your device’s clock is properly set, and that your signing certificate is not expired
或者是
- The identity used to sign the executable is no longer valid
报错截图

报错截图
真机调试时出现的出现以上两类错误时可选择如下解决方案
删除自己的证书 重新X-code重新运行然后Fix就可以了

钥匙串

证书截图