Start full-text search in QQ mail

Just 15 minutes ago, I received an internal test email from the full-text search of QQ mail, which introduced the full-text search function of QQ mail as follows:
 

You can quickly find the full text of an email. You can also enter keywords in the body to query data by name or topic. The query result is displayed quickly.

It is easy to perform "close-up search ". On the right side of the search results page, various search options are displayed, making it easier to locate the search results accurately.

The keyword is highlighted, and summary information near the content keyword is displayed directly.

This function currently does not support searching for Group emails or "my other mailboxes" emails. After trying it out, it feels pretty good, especially on the right side of the search result, there is a total number of search results, and other classification navigation,

But the problem is also true:
When the mouse is in the text input box,

Press enter directly to query all emails. However, if you place the cursor in the text input box and click Search email, the following message is displayed:

I hope the development team can cheer up! Get Public Beta soon!