运行时报错
This dependency was not found:

• !!vue-style-loader!css-loader?{"sourceMap":true}!../../node_modules/vue-loader/lib/style-compiler/index?{"vue":true,"id":"data-v-7b579e8e","scoped":true,"hasInlineConfig":false}!sass-loader?{"sourceMap":true}!../../node_modules/vue-loader/lib/selector?type=styles&index=0!./Settlement.vue in ./src/components/Settlement.vue

再次重新安装依赖
D:vuevuefirstligth-global>npm install stylus stylus-loader style-loader --save-dev
npm WARN ajv-keywords@3.1.0 requires a peer of ajv@^6.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.3 (node_modulesfsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

• stylus-loader@3.0.2
• style-loader@0.20.3
• stylus@0.54.5

added 5 packages and updated 3 packages in 13.99s
还是之前的这个错误
This dependency was not found:

• !!vue-style-loader!css-loader?{"sourceMap":true}!../../node_modules/vue-loader/lib/style-compiler/index?{"vue":true,"id":"data-v-7b579e8e","scoped":true,"hasInlineConfig":false}!sass-loader?{"sourceMap":true}!../../node_modules/vue-loader/lib/selector?type=styles&index=0!./Settlement.vue in ./src/components/Settlement.vue