Grafana panel in website card does not work

Hi Guys,
I installed the Grafana Addon in Home Assistant and created a panel (influxDB on different Raspberry Pi, but it works). Now I tried to embed the panel into a website card in my dashboard, but the connection failed.
I already edit the grafana.ini to allow embedding and enabled auth.anonymous. What can I do more?
Best regards, Juergen

Look at this thread and/or the link from my comment: Graphana Graphs - sometimes accessible, sometimes now - #2 by JohnFLoki

Hi, it looks like that my dashboard can’t open port 3000. If I just use the Grafana UI Link, it works.

Dont use localhost: but homeassistant.local:
Here localhost would be your PC

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http://homeassistant.local:8123… worked! Thanks alot!