it worked. great, thank you very much for your help. The problem was in the incorrect settings. But there was also something wrong with the router, I think. I restored it to factory settings, I entered everything again in ecowitt and it worked.
Can this refresh every 60 seconds be reduced somehow?

I guess by "reduced" you mean shorter intervals - because reduced could also mean longer intervals = less often 
between 8 seconds and 240 minutes everything is possible

it worked. great, thank you very much for your help. The problem was in the incorrect settings. But there was also something wrong with the router, I think. I restored it to factory settings, I entered everything again in ecowitt and it worked.
Can this refresh every 60 seconds be reduced somehow?

It can.
Again, more useful information in the Wiki:
https://meshka.eu/Ecowitt/dokuwiki/doku.php?id=start#c_the_customized_server_feature_of_the_ecowitt_consoles

I do chuckle at you guys hiding your LAN IPs... (Which are private behind a NAT)
I can see hiding your WAN.

But , I guess better safe than sorry

 

Your customized section for the GW2000 should look like this:
 [ You are not allowed to view attachments ]

protocol : Ecowitt
Server IP / Hostname: the IP Address of your HA Green
Webhook:  Provided when setting up the integration
Port: 8123
Upload Interval: 60

Follow the steps in the Wiki. https://meshka.eu/Ecowitt/dokuwiki/doku.php?id=dataloggers#homeassistant
You may be better off deleting your existing integration and start again.

I don't use this, but why IPV6 in the 2nd photo, I would assume you would want IPV4