解决办法,使用插件rollup-plugin-replace 代码如下: import babel from 'rollup-plugin-babel'; import resolve from 'rollup-plugin-node-resolve'; import vue from 'rollup-plugin-vue'; import replace from 'rollup-plugin-replace' export default { entry: 'src/main.js', format: 'cjs', plugins: [ vue(), replace({ 'process.env.NODE_