2023-12-16 08:33:46 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-12-16 20:17:06 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-12-16 20:41:51 [错误] 打开端口(/dev/ttyS5,115200)失败!