message: delete preload demo unused code
diff: */
  import { useBoolean, useRequest } from 'ahooks';
  -import { Button } from 'antd';
  import Mock from 'mockjs';
  import React from 'react';
  async function getArticle(type?: string): Promise<{ data: string; time: number }> {
  - console.log(type);
  return new Promise((resolve) => {
  setTimeout(() => {
  resolve({
  