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/modules/web.clear-immediate.js

@@ -0,0 +1,10 @@
+'use strict';
+var $ = require('../internals/export');
+var globalThis = require('../internals/global-this');
+var clearImmediate = require('../internals/task').clear;
+
+// `clearImmediate` method
+// http://w3c.github.io/setImmediate/#si-clearImmediate
+$({ global: true, bind: true, enumerable: true, forced: globalThis.clearImmediate !== clearImmediate }, {
+  clearImmediate: clearImmediate
+});