2022-05-10 08:46:38 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-05-10 09:22:22 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-05-10 11:09:05 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-05-10 15:06:46 [错误] 打开端口(/dev/ttyS5,115200)失败!