2023-07-14 08:33:42 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-07-14 13:35:59 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-07-14 15:07:44 [错误] 打开端口(/dev/ttyS5,115200)失败!