2022-04-01 08:54:27 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-04-01 13:28:15 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-04-01 17:55:43 [错误] 打开端口(/dev/ttyS5,115200)失败!