游客unngeigd7em5g_个人页

我在连接阿里云注册三元组的时候，连接失败 [2023-03-07_16:49:15:183]AT+CWMODE=1 [2023-03-07_16:49:15:183]OK [2023-03-07_16:49:20:856]AT+CWJAP='iotccn-office2','12345678' [2023-03-07_16:49:20:856]WIFI DISCONNECT [2023-03-07_16:49:21:233]WIFI CONNECTED [2023-03-07_16:49:21:959]WIFI GOT IP [2023-03-07_16:49:21:959]OK [2023-03-07_16:49:23:757]AT+CIPSNTPCFG=1,8,'ntp1.aliyun.com' [2023-03-07_16:49:23:757]OK [2023-03-07_16:49:26:291]AT+MQTTUSERCFG=0,2,'','','',0,0,'' [2023-03-07_16:49:26:291]OK [2023-03-07_16:49:34:438]AT+CIPSTAMAC? [2023-03-07_16:49:34:438]+CIPSTAMAC:'30:83:98:8c:7f:1c' [2023-03-07_16:49:34:438]OK [2023-03-07_16:50:25:260]AT+MQTTUSERNAME=0,'3083988c7f1c&a1gh70UicfD' [2023-03-07_16:50:25:260]OK [2023-03-07_16:52:44:573]AT+MQTTPASSWORD=0,'ee35fb864b2bc07b8132d21a1e87e8bf' [2023-03-07_16:52:44:573]OK [2023-03-07_16:54:50:778]AT+MQTTCLIENTID=0,'3083988c7f1c|securemode=2,authType=register,random=12345,signmethod=hmacmd5|' [2023-03-07_16:54:50:778]OK [2023-03-07_16:55:08:152]AT+MQTTCONN=0,'a1gh70UicfD.iot-as-mqtt.cn-shanghai.aliyuncs.com',1883,1 [2023-03-07_16:55:11:780]+MQTTDISCONNECTED:0 [2023-03-07_16:55:16:796] [2023-03-07_16:55:16:796]ERROR