miniprogram mqtt 5 use https://github.com/mqttjs/MQTT.js/
miniprogram mqtt 5 use https://github.com/mqttjs/MQTT.js/ MQTT QQ群:679985050
miniprogram mqtt 5 use https://github.com/mqttjs/MQTT.js/
miniprogram mqtt 5 use https://github.com/mqttjs/MQTT.js/ MQTT QQ群:679985050