关于npm run dev 报错

Question

一开始还可以打开主页，后面在运行npm run dev 就无法打开主页了，报了4058错误 请问该如何解决了。谢谢！

Answer 1

"scripts": {
    "dev": "node build/dev-server.js",
//    "kk": "node build/dev-server.js",
    "build": "node build/build.js",
    "unit": "cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run",
    "e2e": "node test/e2e/runner.js",
    "test": "npm run unit && npm run e2e",
    "lint": "eslint --ext .js,.vue src test/unit/specs test/e2e/specs"
  },

不要乱改启动配置