BC20 发送消息结束收到+qmtstat: 0,1

调试模组,正常通信了7个小时,程序出现了在发送数据成功一段时间后,收到了+QMTSTAT: 0,1。之后的调试每次发送成功一条数据,都会在下条数据发送前(2分钟内)收到+QMTSTAT: 0,1,使得设备要不断的OPEN域名,请教下该如何解决?
ps:MQTT通信前,PSM已经关了,AT休眠锁也关了。
ATE0

ATE0
Receive ATE0 command response fa
ilure, retry.
Repeat times : 0

ATE0

OK

ATI

Quectel_Ltd
Quectel_BC20
Rev
ision: BC20NAR01A09

OK

AT+
CPSMS=0

OK

AT+QSCLK=0

OK

AT+CPSMS?

+CPSMS: 0

OK

AT+CIMI

460046909901444

OK

AT+CGSN=1

+CGSN: 862188041143127

OK

AT+CEDRXS=0,5

OK

AT+QBAND=1,8

OK

AT+CGATT?

+CGATT: 1

OK

+CGATT: 1

OK

AT+CSQ

+CSQ: 19,0

OK

CSQ strength : 19

AT+CCLK?

+CCLK: 2020/04/09,00:39:29GMT+8

OK

Mqtt init…
AT+QMTCFG="version
",0,4

OK

AT+QMTCFG=“session”,0,0

OK

AT+QMTCFG=“timeout”,0,60,10,0

OK

AT+QMTCFG=“keepalive”,0,0

OK

AT+QMTOPEN=0,“180.104.135.10”,1831

OK

+QMTOPEN: 0,0

AT+QMTCONN=0,“METER”,“0
20001598”,“dkajonngknkeng”

OK

OK

+QMTCONN: 0,0,0

AT+QMTPUB=0,1,1,1,“example”

{“p”:0.47,“temperature”:22.03, “voltage”:3.3}
OK

+QMTPUB: 0,1,0
OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

AT+QMTCONN?

+QMTCONN: 0,3

OK

+QMTCONN: 0,3

OK

+QMTSTAT: 0,1

AT+QMTCONN?

OK
//此处已经断开连接了

AT+QMTPUB=0,1,1,1,“example”

{“p”:0.47,“temperature”:22.03, “voltage”:3.3}
OK

Hi Songhuilee
请问是每次都是7小时后出现+QMTSTAT: 0,1嘛?
这种情况是因为MQTT链路断开导致。断开的原因有很多。有可能是MQTT平台主动断开,也有可能是网络端断开。还有可能是终端服务器断开。