vue检查漏掉的安装.txt

npm install -d

fsevents不在package.json里，但是仍然安装了，是因为你的系统不是Windows系统，fsevents是苹果系统的可选依赖，windows不用理会。

看package.json，发现漏掉了安装vue-router

  "dependencies": {
    "element-ui": "^2.0.7",
    "vue": "^2.4.4"
  },
  "browserslist": [
    "> 1%",
    "last 2 versions",
    "not ie <= 8"
  ],
  "devDependencies": {
    "babel-core": "^6.26.0",
    "babel-loader": "^7.1.2",
    "babel-preset-env": "^1.6.0",
    "babel-preset-stage-3": "^6.24.1",
    "cross-env": "^5.0.5",
    "css-loader": "^0.28.7",
    "file-loader": "^1.1.5",
    "style-loader": "^0.19.0",
    "vue-loader": "^13.0.5",
    "vue-template-compiler": "^2.4.4",
    "webpack": "^3.6.0",
    "webpack-dev-server": "^2.9.1"
  }
}