编译不通过

[Get-wy]

1. 项目克隆下来执行 npm install
2. 运行npm run start
3. 提示编译不通过

`> koa2-vue-test@1.0.0 start /Users/mac/Desktop/github-project/vue-koa2

node ./server/index.js development

[ 'development' ]
正在监听3011
webpack built c5dfaad26d5b21abf4a3 in 5115ms
ℹ ｢wdm｣: Hash: c5dfaad26d5b21abf4a3
Version: webpack 4.43.0
Time: 5115ms
Built at: 2020-06-10 3:48:00 PM
Asset Size Chunks Chunk Names
index.c5dfaad26d5b21abf4a3.js 2.34 MiB index [emitted] [immutable] index
index.c5dfaad26d5b21abf4a3.js.map 2.75 MiB index [emitted] [dev] index
index.html 549 bytes [emitted]
style.css 479 bytes index [emitted] index
style.css.map 86 bytes index [emitted] [dev] index
Entrypoint index = index.c5dfaad26d5b21abf4a3.js style.css index.c5dfaad26d5b21abf4a3.js.map style.css.map
[0] multi webpack-hot-middleware/client?noInfo=true&reload=true ./src/main.js 40 bytes {index} [built]
[./node_modules/ansi-html/index.js] 4.16 KiB {index} [built]
[./node_modules/ansi-regex/index.js] 135 bytes {index} [built]
[./node_modules/babel-loader/lib/index.js!./node_modules/vue-loader/lib/selector.js?type=script&index=0!./src/App.vue] ./node_modules/babel-loader/lib!./node_modules/vue-loader/lib/selector.js?type=script&index=0!./src/App.vue 116 bytes {index} [built]
[./node_modules/html-entities/lib/index.js] 449 bytes {index} [built]
[./node_modules/querystring-es3/index.js] 127 bytes {index} [built]
[./node_modules/strip-ansi/index.js] 161 bytes {index} [built]
[./node_modules/vue/dist/vue.esm.js] 319 KiB {index} [built]
[./node_modules/webpack-hot-middleware/client-overlay.js] (webpack)-hot-middleware/client-overlay.js 2.17 KiB {index} [built]
[./node_modules/webpack-hot-middleware/client.js?noInfo=true&reload=true] (webpack)-hot-middleware/client.js?noInfo=true&reload=true 7.68 KiB {index} [built]
[./node_modules/webpack-hot-middleware/process-update.js] (webpack)-hot-middleware/process-update.js 4.35 KiB {index} [built]
[./node_modules/webpack/buildin/module.js] (webpack)/buildin/module.js 497 bytes {index} [built]
[./src/App.vue] 1.93 KiB {index} [built]
[./src/main.js] 557 bytes {index} [built]
[./src/router/index.js] 643 bytes {index} [built]
+ 206 hidden modules
Child HtmlWebpackCompiler:
Asset Size Chunks Chunk Names
__child-HtmlWebpackPlugin_0 4.67 KiB HtmlWebpackPlugin_0 HtmlWebpackPlugin_0
Entrypoint HtmlWebpackPlugin_0 = __child-HtmlWebpackPlugin_0
[./node_modules/html-webpack-plugin/lib/loader.js!./index.html] 727 bytes {HtmlWebpackPlugin_0} [built]
Child extract-text-webpack-plugin node_modules/extract-text-webpack-plugin/dist node_modules/css-loader/index.js!node_modules/vue-loader/lib/style-compiler/index.js?{"optionsId":"0","vue":true,"id":"data-v-469af010","scoped":true,"sourceMap":true}!node_modules/vue-loader/lib/selector.js?type=styles&index=0!src/components/HelloWorld.vue:
Entrypoint undefined = extract-text-webpack-plugin-output-filename
[./node_modules/css-loader/index.js!./node_modules/vue-loader/lib/style-compiler/index.js?{"optionsId":"0","vue":true,"id":"data-v-469af010","scoped":true,"sourceMap":true}!./node_modules/vue-loader/lib/selector.js?type=styles&index=0!./src/components/HelloWorld.vue] ./node_modules/css-loader!./node_modules/vue-loader/lib/style-compiler?{"optionsId":"0","vue":true,"id":"data-v-469af010","scoped":true,"sourceMap":true}!./node_modules/vue-loader/lib/selector.js?type=styles&index=0!./src/components/HelloWorld.vue 417 bytes {0} [built]
[./node_modules/css-loader/lib/css-base.js] 2.21 KiB {0} [built]
Child extract-text-webpack-plugin node_modules/extract-text-webpack-plugin/dist node_modules/css-loader/index.js!node_modules/vue-loader/lib/style-compiler/index.js?{"optionsId":"0","vue":true,"scoped":false,"sourceMap":true}!node_modules/vue-loader/lib/selector.js?type=styles&index=0!src/App.vue:
Entrypoint undefined = extract-text-webpack-plugin-output-filename
[./node_modules/css-loader/index.js!./node_modules/vue-loader/lib/style-compiler/index.js?{"optionsId":"0","vue":true,"scoped":false,"sourceMap":true}!./node_modules/vue-loader/lib/selector.js?type=styles&index=0!./src/App.vue] ./node_modules/css-loader!./node_modules/vue-loader/lib/style-compiler?{"optionsId":"0","vue":true,"scoped":false,"sourceMap":true}!./node_modules/vue-loader/lib/selector.js?type=styles&index=0!./src/App.vue 370 bytes {0} [built]
[./node_modules/css-loader/lib/css-base.js] 2.21 KiB {0} [built]`