修改 文件

babel.config.js

@@ -18,6 +18,7 @@ if (IS_PROD) {
 }
 
 module.exports = {
-  presets: [['@vue/cli-plugin-babel/preset', { useBuiltIns: 'usage', corejs: 3 }]],
+  compact: false,
+  presets: [['@vue/cli-plugin-babel/preset', { useBuiltIns: 'entry', corejs: 3 }]],
   plugins
 };