multiple queries trackthe same target？？

Why did I find that multiple queries were tracking the same target during the experiment on KITTI datasets, and this phenomenon was quite serious? Has anyone encountered a similar situation? How did you solve it?

<img width="1006" height="310" alt="Image" src="https://github.com/user-attachments/assets/f14e108c-925a-48f9-8578-9bff0f9bb391" />