2022-04-07 08:43:31 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-04-07 08:44:54 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-04-07 21:09:29 [错误] 打开端口(/dev/ttyS5,115200)失败!