Hi JiaYun000,
That command should work on your PC in PowerShell as Administrator, your Windows installation may be corrupt, try performing an in-place repair of your Windows 11 using the ISO.
Please follow the steps, this is then just an update and your files and applications will remain untouched.
Click this link:
https://www.microsoft.com/en-us/software-downlo...
to download the Windows 11 ISO
When the ISO file completes downloading
Disconnect from the Internet
Disconnect all external devices with the exception of a mouse or keyboard.
Temporarily disable any 3rd party Anti-virus you may have installed
Then, in Windows File Explorer, double click the ISO and then run Setup.exe and select the upgrade option.