Error 401 only on the image of the panel until i click the image on the file editor

Hi All i have a problem error 401 on the image. when i am login with remote pc or phone.
and if i go from the pc browser to file editor in the Home Assistent to one of the image in the panel it fixed until i logout from the network or change wifi
i got the error only on the image of the panel not the icons
hope you know this issue
Thanks,
Amir