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.object.to-string.js

@@ -0,0 +1,10 @@
+'use strict';
+var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');
+var defineBuiltIn = require('../internals/define-built-in');
+var toString = require('../internals/object-to-string');
+
+// `Object.prototype.toString` method
+// https://tc39.es/ecma262/#sec-object.prototype.tostring
+if (!TO_STRING_TAG_SUPPORT) {
+  defineBuiltIn(Object.prototype, 'toString', toString, { unsafe: true });
+}