更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/core-js/modules/es.reflect.has.js

@@ -0,0 +1,10 @@
+'use strict';
+var $ = require('../internals/export');
+
+// `Reflect.has` method
+// https://tc39.es/ecma262/#sec-reflect.has
+$({ target: 'Reflect', stat: true }, {
+  has: function has(target, propertyKey) {
+    return propertyKey in target;
+  }
+});