1. process launch failed: timed out trying to launch app
真机运行的程序已经崩掉了 在运行别的程序就报这个错 有时候工程改为release模式运行时 也会报这个错
打开Xcode的菜单product -> scheme -> edit scheme -> 在左侧选择Run xxx.app栏目，右侧选择Info标签，将Build Configuration的状态改为Debug
2.This application's application-identifier entitlement does not match that of the installed application. These values must match for an upgrade to be allowed.
手机上已经安装了标志符一样的app，删除即可
来源：https://www.cnblogs.com/fengkuangIT/p/5090007.html