{"level":"info","msg":"MClient.OnConnectHandler:MQTT连接成功","time":"2025-04-10 08:40:38.933"}
{"level":"error","msg":"无法打开串口 /dev/ttymxc4: The system cannot find the path specified.","time":"2025-04-10 08:40:38.949"}
{"level":"error","msg":"无法打开串口 /dev/ttymxc6: The system cannot find the path specified.","time":"2025-04-10 08:40:39.000"}
{"level":"info","msg":"MClient.OnConnectHandler:MQTT连接成功","time":"2025-04-10 08:41:16.982"}
{"level":"error","msg":"无法打开串口 com3: Access is denied.","time":"2025-04-10 08:41:16.998"}
{"level":"info","msg":"MClient.OnConnectHandler:MQTT连接成功","time":"2025-04-10 08:41:30.303"}
{"level":"error","msg":"加载串口配置失败: 解析 JSON 配置失败: invalid character '/' looking for beginning of object key string","time":"2025-04-10 08:41:30.318"}
{"level":"info","msg":"MClient.OnConnectHandler:MQTT连接成功","time":"2025-04-10 08:41:47.903"}
{"level":"info","msg":"获取串口失败，设备编号：zzz，错误：serial port not found","time":"2025-04-10 08:41:47.916"}
{"level":"info","msg":"MClient.OnConnectHandler:MQTT连接成功","time":"2025-04-10 08:47:31.786"}
{"level":"error","msg":"无法打开串口 /dev/ttymxc4: The system cannot find the path specified.","time":"2025-04-10 08:47:31.801"}
{"level":"error","msg":"无法打开串口 /dev/ttymxc6: The system cannot find the path specified.","time":"2025-04-10 08:47:31.801"}
{"level":"info","msg":"MClient.OnConnectHandler:MQTT连接成功","time":"2025-04-10 08:48:11.696"}
{"level":"info","msg":"获取串口失败，设备编号：zzz，错误：serial port not found","time":"2025-04-10 08:48:11.709"}