3个回调接口是通的，在线预览一直转圈，报错<img src="https://solution-community.wps.cn/uploads/post/5MdW9FnYmTS.png" alt="image.png"/>，<img src="https://solution-community.wps.cn/uploads/post/5MdWnF7TJ1y.png" alt="image.png"/>
3个回调接口是通的，在线预览一直转圈，报错<img src="https://solution-community.wps.cn/uploads/post/5MdW9FnYmTS.png" alt="image.png"/>，<img src="https://solution-community.wps.cn/uploads/post/5MdWnF7TJ1y.png" alt="image.png"/>
