AI对话两轮会被挡住

<img width="1576" height="619" alt="Image" src="https://github.com/user-attachments/assets/419f7f59-bfab-4d83-9e11-f8ebd4396754" />

<img width="573" height="569" alt="Image" src="https://github.com/user-attachments/assets/01133155-a82d-4676-963f-2bf41ecbe866" />

AI对话太多，下面会挡住