Good Morning, every

Good Morning,

every time if i set a new logo and a picture for the Login Screen for the hole network, after a few hours it is away. For the mean page every thing is fine. Can you help me?

Perfekt: https://de.neidig.org/wp-login.php
Not perfekt: https://verband-der-agenturen.de/wp-login.php

Thanks a lot
Claudius