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

[wangzhengbo]

import DevtoolPlugin from '@megalo/devtool/vue-plugin'
会导致
Cannot assign to read only property 'exports' of object '#'错误。
megalo应用代码用了es6 import/export语法，@megalo/devtool/vue-plugin使用了commonjs语法，混用2中风格的module格式导致上面的错误