Please verify that your device’s clock is properly set, and that your signing certificate is not expired
今天下午写程序突然间冒出来这个问题,在网上查找了一些攻略,最终有效的方法如下:1.进入xcode->Preferences->Accounts->ViewDetailsPaste_Image.png2.在下面栏目里面把以前导入的ProvisioningProfiles全部删除(右键选trash)3.再把你需要的ProvisioningProfiles下载DownLoad,重启Xcode,就这么简单