The client is connected and then disconnected

[Agoni-sudo]

The client is connected and then displayed disconnected, but can receive information
This is my journal：
MQTT Client connected to centor broker.
Connected to server: tcp://localhost:7883
Subscribed to topic: online01Topic
2024-10-30 14:16:06.759 ERROR 37544 --- [ec: mqtt_fx0604] .m.i.MqttPahoMessageDrivenChannelAdapter : Lost connection: 已断开连接; retrying...
Message received on topic online01Topic: online01
Message delivery complete.
Connection lost! Reason: 已断开连接
2024-10-30 14:39:15.244 INFO 37544 --- [ll: mqtt_fx0604] c.b.c.c.MqttMessageHandlerConfig : Received message: Topic = Mosquitto_bridge, Payload = {
"DALI": "ff00"
}