Linux 创建完 vue 项目，运行 npm run dev 时报以下错误， node 已正确安装 ，求知道的兄弟姐妹，看看是啥问题，

Listening at http://localhost:8080

(node:28489) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): Error: Exited with code 3 (node:28489) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.