启动项目报错，Cannot assign to read only property 'exports' of object '#<Object>'

报错  npm run dev启动项目报错

Cannot assign to read only property 'exports' of object '#<Object>' 

安装

 npm install babel-plugin-transform-es2015-modules-commonjs 

在.babelrc文件添加

"plugins":["transform-es2015-modules-commonjs"]