react-native run-ios时报错xcrun: error: unable to find utility "instruments", not a developer tool or in PATH

命令行运行react-native 项目时，报错：xcrun: error: unable to find utility "instruments", not a developer tool or in PATH

解决方法：在终端执行如下命令 sudo xcode-select -s /Applications/Xcode.app/Contents/Developer/

注意：前提是你已经安装了xcode