2023-10-20 08:34:59 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-10-20 12:38:22 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-10-20 13:52:36 [错误] 打开端口(/dev/ttyS5,115200)失败!