2023-04-18 08:40:55 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-04-18 18:42:35 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-04-18 18:56:15 [错误] 打开端口(/dev/ttyS5,115200)失败!