"scripts": { "serve": "vue-cli-service serve --open", "build": "vue-cli-service build", "lint": "vue-cli-service lint", "prod": "vue-cli-service build --mode development" }
vue-cli安装项目中devServe 设置open为true的时候浏览器启动两次的
原文：https://www.cnblogs.com/dianzan/p/13346094.html