老师好，安装了stylus和stylus-loader后运行出错

> vuetest@1.0.0 start C:\Users\Administrator\Desktop\作业\mongo测试\vuetest

> npm run dev

> vuetest@1.0.0 dev C:\Users\Administrator\Desktop\作业\mongo测试\vuetest

> webpack-dev-server --inline --progress --config build/webpack.dev.conf.js

 10% 1 1 11 1 12% 12% 12% 12%  12% 12% building modules 23/25 modules 2 active ...esktop\作业\mongo测试\vuetest\src\App.  1 1 1 1 1 13% 1 13% 13% building modules 33/38 modules 5 active ...esktop\作业\mongo测试\vuetest\src\App.vue{ parser: "babylon" } is deprecated; we now treat it as { parser: "babel" }.

 14% 14% 1 14% 1 1 1 14% 1 1 94% asset optimization

 ERROR  Failed to compile with 1 errors                                                                3:39:43 ├F10: PM┤

 error  in ./src/pages/home/components/Header.vue

Module build failed: ParseError: C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\src\pages\home\components\Header.vue:17:1

   13|

   14|

   15|

   16| .header

   17|

-------^

expected "indent", got "eos"

    at Parser.error (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus@0.54.8@stylus\lib\parser.js:259:11)

    at Parser.expect (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus@0.54.8@stylus\lib\parser.js:287:12)

    at Parser.block (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus@0.54.8@stylus\lib\parser.js:918:12)

    at Parser.selector (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus@0.54.8@stylus\lib\parser.js:1640:24)

    at Parser.stmt (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus@0.54.8@stylus\lib\parser.js:862:31)

    at Parser.statement (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus@0.54.8@stylus\lib\parser.js:750:21)

    at Parser.parse (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus@0.54.8@stylus\lib\parser.js:236:25)

    at Renderer.render (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus@0.54.8@stylus\lib\renderer.js:80:22)

    at C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_stylus-loader@3.0.2@stylus-loader\index.js:167:12

    at tryCatchReject (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_when@3.6.4@when\lib\makePromise.js:840:30)

    at runContinuation1 (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_when@3.6.4@when\lib\makePromise.js:799:4)

    at Fulfilled.when (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_when@3.6.4@when\lib\makePromise.js:590:4)

    at Pending.run (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_when@3.6.4@when\lib\makePromise.js:481:13)

    at Scheduler._drain (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_when@3.6.4@when\lib\Scheduler.js:62:19)

    at Scheduler.drain (C:\Users\Administrator\Desktop\作业\mongo测试\vuetest\node_modules\_when@3.6.4@when\lib\Scheduler.js:27:9)

    at processTicksAndRejections (internal/process/task_queues.js:79:11)

 @ ./node_modules/vue-style-loader!./node_modules/css-loader?{"sourceMap":true}!./node_modules/vue-loader/lib/style-compiler?{"vue":true,"id":"data-v-5558831a","scoped":true,"hasInlineConfig":false}!./node_modules/_stylus-loader@3.0.2@stylus-loader?{"sourceMap":true}!./node_modules/vue-loader/lib/selector.js?type=styles&index=0!./src/pages/home/components/Header.vue 4:14-415 13:3-17:5 14:22-423

 @ ./src/pages/home/components/Header.vue

 @ ./node_modules/babel-loader/lib!./node_modules/vue-loader/lib/selector.js?type=script&index=0!./src/pages/home/Home.vue

 @ ./src/pages/home/Home.vue

 @ ./src/router/index.js

 @ ./src/main.js

 @ multi (webpack)-dev-server/client?http://localhost:8080 webpack/hot/dev-server ./src/main.js