ATK-M750“保存所有参数”后，无法连接到原子云

18101121183

ATK-M750“保存所有参数”后，绿灯一直闪烁，无法连接到原子云

打印消息如下：
AT+VERSION
AT+VERSION
+VERSION:"20210105V1.10"
OK
AT+UART="115200","1","8","NONE"
AT+UART="115200","1","8","NONE"
OK
AT+UARTLT="1024","50"
AT+UARTLT="1024","50"
OK
AT+UARTAT="OFF"
AT+UARTAT="OFF"
OK
AT+NETAT="ON"
AT+NETAT="ON"
OK
AT+CMDKEY="ALIENTEK"
AT+CMDKEY="ALIENTEK"
OK
AT+R="ON"
AT+R="ON"
OK
AT+APN="CTNET","",""
AT+APN="CTNET","",""
OK
AT+START="ATK-LTE-DTU"
AT+START="ATK-LTE-DTU"
OK
AT+TASKEN="OFF"
AT+TASKEN="OFF"
OK
AT+WORK="NET"
AT+WORK="NET"
OK
AT+LINK1EN="ON"
AT+LINK1EN="ON"
OK
AT+LINK1="TCP","cloud.alientek.com","59666"
AT+LINK1="TCP","cloud.alientek.com","59666"
OK
AT+LINK1MD="LONG"
AT+LINK1MD="LONG"
OK
AT+LINK1TM="5"
AT+LINK1TM="5"
OK
AT+LINK1SOT="10"
AT+LINK1SOT="10"
OK
AT+LINK2EN="OFF"
AT+LINK2EN="OFF"
OK
AT+LINK3EN="OFF"
AT+LINK3EN="OFF"
OK
AT+LINK4EN="OFF"
AT+LINK4EN="OFF"
OK
AT+SVREN="ON"
AT+SVREN="ON"
OK
AT+SVRNUM="11221145678968965437"
AT+SVRNUM="11221145678968965437"
OK
AT+SVRKEY="12345678"
AT+SVRKEY="12345678"
OK
AT+REGEN="OFF"
AT+REGEN="OFF"
OK
AT+HRTEN="ON"
AT+HRTEN="ON"
OK
AT+HRTDT="414C49454E54454B2D4852544454"
AT+HRTDT="414C49454E54454B2D4852544454"
OK
AT+HRTTM="120"
AT+HRTTM="120"
OK
ATO
ATO
OK