fix

src/main.ts

@@ -22,7 +22,7 @@ let heartbeatTimer = setInterval(() => {
 
 
 
-let mqttClient = Mqtt.connect(this.options.broker)
+let mqttClient = Mqtt.connect(config.dict.brokerUrl)
 mqttClient.on('offline', () => { log.warn("MQTT client is offline") })
 mqttClient.on('reconnect', () => { log.warn("MQTT client is reconnecting") })
 mqttClient.on('close', () => { log.warn("MQTT connection closed") })
@@ -40,7 +40,7 @@ mqttClient.on('message', (topic : string, messageBuf : Buffer) => {
     let message = messageBuf.toString('UTF-8')
     log.info(`Message received ${this.msgCnt}, topic ${topic}, payload ${message}`)
   }
-  
+
   LED2.writeSync(1)
   setTimeout(() => {
     LED2.writeSync(0)