server/api/web/login/scan.get.ts

import { getCookiesFromRequest } from '~/server/utils/CookieStore';
import { proxyMpRequest } from '~/server/utils/proxy-request';

export default defineEventHandler(async event => {
  const cookie = getCookiesFromRequest(event);

  return proxyMpRequest({
    event: event,
    method: 'GET',
    endpoint: 'https://mp.weixin.qq.com/cgi-bin/scanloginqrcode',
    query: {
      action: 'ask',
      token: '',
      lang: 'zh_CN',
      f: 'json',
      ajax: 1,
    },
    cookie: cookie,
  });
});