需要安装browserslist吗？我浏览器引入import 'vue-super-flow/lib/index.css'时报错了

[eliya123]

./node_modules/css-loader??ref--5-1!./node_modules/postcss-loader/lib??ref--5-2!./node_modules/vue-super-flow/lib/index.css
Module build failed: BrowserslistError: Unknown browser query dead
at C:\webstorm\Fund\node_modules\autoprefixer\node_modules\browserslist\index.js:164:11
at Array.reduce ()

[caohuatao]

package.json
`
"browserslist": [
"> 1%",
"last 2 versions",
"not dead"
]

`

[caohuatao]

browserslist/browserslist#266