`` Showing Recent Messages
Connection to localhost port 8081 [tcp/sunproxyadmin] succeeded!
Port 8081 already in use, packager is either not running or not running correctly
Command /bin/sh failed with exit code 2
``
解决方法：
1、把Xcode中所有的8081修改为8899
2、把/node_modules/react-native/React/React.xcodeproj/project.pbxproj 8081改为8899