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-pure/internals/get-built-in.js

@@ -0,0 +1,13 @@
+'use strict';
+var path = require('../internals/path');
+var globalThis = require('../internals/global-this');
+var isCallable = require('../internals/is-callable');
+
+var aFunction = function (variable) {
+  return isCallable(variable) ? variable : undefined;
+};
+
+module.exports = function (namespace, method) {
+  return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(globalThis[namespace])
+    : path[namespace] && path[namespace][method] || globalThis[namespace] && globalThis[namespace][method];
+};