"thing": {
"localIp": "{{localIp}}",
"sn": "{{sn}}",
"thingModel": "{{thingModel}}",
"thingName": "{{thingName}}"
}

在全局脚本里定一个全局变量
function sn(){
return Math.random().toString(36).substr(2)
}
apt.globals.set("sn", sn());
参数里调用即可

效果很好,多谢