2022-04-28 08:47:25 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-04-28 14:46:13 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-04-28 18:13:28 [错误] 打开端口(/dev/ttyS5,115200)失败!