按需引入 vue-cli3 中不能开启 css.mudules ，否则 组件的样式会无法加载，希望在文档中注明

[lwjcjmx123]

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[chenjiahan]

理论上从 node_modules 里 import 的样式不应该被处理成 css modules 的，建议去 vue-cli3 仓库下提 issue