我正在尝试在我的手机上运行一个hello world react本机应用程序。 当我键入npm start时，我得到以下输出：
agreement must be accepted您可以在上面看到错误行。 当我拍摄二维码并尝试从手机连接到应用程序时，会不断显示加载。 有人可以帮助解决问题吗？
P.S。我跟着this
我使用的确切命令：
Your phone will need to be on the same local network as this computer.
For links to install the Expo app, please visit https://expo.io.
Logs from serving your app will appear here. Press Ctrl+C at any time to stop.
› Press a to open Android device or emulator, or i to open iOS emulator.
› Press q to display QR code.
› Press r to restart packager, or R to restart packager and clear cache.
› Press d to toggle development mode. (current mode: development)
17:46:20: Error: Invalid sdkVersion. Valid options are 10.0.0, 11.0.0, 12.0.0, 13.0.0, 14.0.0, 15.0.0, 16.0.0, 17.0.0, 7.0.0, 8.0.0, 9.0.0
我不得不降级到npm版本4.6.1但