解决WebStorm无法识别vue-cli3中的别名“@”

将"node_modules/@vue/cli-service/webpack.config.js"配置到IDE设置中"File | Settings | Languages & Frameworks | JavaScript | Webpack"

参考：https://intellij-support.jetbrains.com/hc/en-us/community/posts/360000578284--alias-in-vue-cli-3-projects