2022-05-06 08:46:21 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-05-06 09:12:11 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-05-06 13:02:23 [错误] 打开端口(/dev/ttyS5,115200)失败!