Bug: 官方 CDN 示例无法正常工作

[razonyang]

Description

<script src="https://cdn.authing.co/packages/authing-js-sdk/4.23.4/umd/index.js"></script>

<script>
  /** 你可以通过全局变量 Authing 获取 AuthenticationClient 和 ManagementClient */
  var authing = new Authing.AuthenticationClient({
    appId: 'AUTHING_APP_ID',
    appHost: 'https://xxx.authing.cn',
  })
</script>

https://docs.authing.cn/v2/reference/sdk-for-node/#%E5%AE%89%E8%A3%85

Expected behavior

Actual behavior

Authing undefined.