【fix】优化打包配置

Author: songyumeng

build/webpack.config.base.js

@@ -8,6 +8,7 @@ let moduleVersion = process.env.moduleVersion || 'es5';
 
 //打包公共配置
 module.exports = {
+ target: moduleVersion === 'es5' ? ['es5'] : undefined,
  moduleVersion: moduleVersion,
 
  mode: 'production',