2023-10-29 08:31:19 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-10-29 11:15:30 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-10-29 18:14:47 [错误] 打开端口(/dev/ttyS5,115200)失败!