测测

webpack.config.js

@@ -146,10 +146,7 @@ module.exports = {
         use: {
           loader: 'babel-loader',
           options: {
-            presets: ['@babel/preset-env',{
-              "loose" : true,//解决Object.defineProperty
-              "modules" : false
-            }]
+            presets: ['@babel/preset-env']
           }
         }
       },