it works now
problem was
wrong IP in my Router Firewall
and wrong hostname in pimatic
“mqtturl”: “mqtt://192.168.1.81"
was wrong
"mqtturl”: “mqtt://localhost”,
was right
i try to check the connection on my pi with
mosquitto_sub -v -t \#
and get
/esp01/system/uptime 1500.00
/esp01/system/freeram 25464.00