Search engines need to take snapshots of web pages and update them at any time within a certain period of time. You can only view the latest Baidu snapshot, not the history. Not every website update will leave a blank. Baidu will leave blank the snapshots of all websites from time to time. If the website was updated yesterday, what you found in the Baidu snapshot is probably a few days ago.

Of course, unless you use web monitoring software or use it to take a snapshot of Baidu on a special website. Without special measures, users can only get the latest snapshot of web pages in the near future.