Windows 11 cannot display second in taskbar

I have consulted the information on this page and it has not been resolved.

website:https://answers.microsoft.com/en-us/windows/forum/all/how-to-get-the-windows-10-clock-to-show-seconds/816c489c-2e93-45ce-ad56-9b9b9b93013f

Restarting did not improve the problem.