node从14升级到16之后，项目就无法启动了，研究了webpack3升级5，研究好几个小时都无法启动，最后发现，微微升级几个版本就可以了。webpack还是3
新版的依赖
"scripts": {
"dev": "webpack-dev-server --inline --progress --config build/webpack.dev.conf.js",
"start": "npm run dev",
"build": "node build/build.js"
},
"dependencies": {
"array-includes": "^3.0.3",
"axios": "^0.18.0",
"element-ui": "^2.12.0",
"file-saver": "^1.3.8",
"node-sass": "^6.0.1",
"highlight.js": "^10.2.0",
"js-md5": "^0.6.1",
"protobufjs": "^7.1.0",
"protobufjs-cli": "^1.1.1",
"vue": "^2.6.10",
"vue-router": "^3.0.1",
"vuex": "^3.0.1",
"vuex-persistedstate": "^2.7.0",
"xlsx": "^0.13.4"
},
"devDependencies": {
"autoprefixer": "^7.1.2",
"babel-core": "^6.22.1",
"babel-helper-vue-jsx-merge-props": "^2.0.3",
"babel-loader": "^7.1.5",
"babel-plugin-syntax-jsx": "^6.18.0",
"babel-plugin-transform-runtime": "^6.22.0",
"babel-plugin-transform-vue-jsx": "^3.5.0",
"babel-polyfill": "^6.26.0",
"babel-preset-env": "^1.3.2",
"babel-preset-es2015": "^6.24.1",
"babel-preset-stage-2": "^6.22.0",
"chalk": "^2.4.2",
"copy-webpack-plugin": "^4.6.0",
"css-loader": "^0.28.11",
"extract-text-webpack-plugin": "^3.0.0",
"file-loader": "^1.1.11",
"friendly-errors-webpack-plugin": "^1.6.1",
"html-webpack-plugin": "^2.30.1",
"jquery": "^3.4.1",
"node-notifier": "^5.4.0",
"optimize-css-assets-webpack-plugin": "^3.2.0",
"ora": "^1.2.0",
"portfinder": "^1.0.20",
"postcss-import": "^11.0.0",
"postcss-loader": "^2.1.6",
"postcss-url": "^7.2.1",
"rimraf": "^2.6.3",
"sass-loader": "^6.0.6",
"sass-resources-loader": "^1.3.3",
"semver": "^5.7.0",
"shelljs": "^0.7.6",
"style-loader": "^0.21.0",
"uglifyjs-webpack-plugin": "^1.3.0",
"url-loader": "^0.5.8",
"vue-loader": "^13.7.3",
"vue-style-loader": "^3.0.1",
"vue-template-compiler": "^2.6.10",
"webpack": "^3.6.0",
"webpack-bundle-analyzer": "^2.9.0",
"webpack-dev-server": "^2.11.5",
"webpack-merge": "^4.2.1",
"webpack-parallel-uglify-plugin": "^1.1.2"
},
