2022-05-29 08:38:20 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-05-29 15:15:28 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-05-29 17:47:17 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-05-29 18:59:01 [错误] 打开端口(/dev/ttyS5,115200)失败!