2022-01-14 18:07:59 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-14 19:14:41 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-14 21:03:26 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-14 21:05:18 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-14 21:20:07 [错误] 打开端口(/dev/ttyS5,115200)失败!