2023-09-07 08:31:20 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-09-07 12:49:33 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-09-07 13:42:52 [错误] 打开端口(/dev/ttyS5,115200)失败!