npm install报错npm ERR Unsupported URL Type “npm:“: npm:vue-loader@^16.1.0

npm ERR! code EUNSUPPORTEDPROTOCOL
npm ERR! Unsupported URL Type "npm:": npm:vue-loader@^16.1.0

npm install时候报错，这个原因是因为node版本太低v8.0.0和对应vue版本产生冲突

降低cli-service版本兼容

"@vue/cli-service": "^4.1.0",
// 降低为
"@vue/cli-service": "^3.5.0",