my demand is that after clicking the picture to upload, you can preview it in a div, and then there is a button on div to view the original image. When you click the button, you want to display the original image. I want to make it dynamic, and the original image is displayed as what it looks like, but Baidu webuploader.js did not find the width and height of the original picture and the file path for uploading the picture. How should this be solved?