{"level":"error","timestamp":"2022-07-05T14:20:39.912+0800","logger":"broker","caller":"broker/client.go:179","msg":" read packet error: ","error":"EOF","ClientID":"iotmqtt","stacktrace":"github.com/fhmq/hmq/broker.(*client).readLoop\n\tD:/code/hmq/broker/client.go:179\ngithub.com/fhmq/hmq/broker.(*Broker).handleConnection\n\tD:/code/hmq/broker/broker.go:430"}