message-failed-to-send

[ritech]

i am run under hassos node-red dock
my hdl bus ip 192.168.88.2
hassos ip 192.168.88.5
docker ip 172.17.0.3
I have everything set up, but when I link, I get the error

{"connected":true,"status":"message-failed-to-send","extraInformation":"timeout"}

mycode

var msg = {
"payload": {
"operate": "UVSwitch",
"mode": "set",
"direction": "request",
"subnetId": 1,
"deviceId": 50,
"data": {
"switchNumber": 6,
"switchState": 0
}
}};
return msg;

i dont know what happen , but node-red-contrib-hdlbus run ok

[ritech]

sloved , uninstall contrib-hdlbus , send message ok
but new problem , i can't get info about channel , how to check channel true or false?
this is my code for ON channel 6 light
var msg = {
"payload": {
"operate": "singleChannelControl",
"mode": "set",
"direction": "request",
"subnetId": 1,
"deviceId": 50,
"data": {
"channelNumber": 6,
"channelLevel": 100,
"runningTime": 0
}
}};
return msg;

if check channel 6 status
like this code?
var msg = {
"payload": {
"operate": "singleChannelControl",
"mode": "get",
"direction": "request",
"subnetId": 1,
"deviceId": 50,
"data" : {}
}

};

return msg;