The answer in the context carries reference markers and passes them to
the large model, which may include the markers in the new answer,
leading to abnormal reference points.
```
 {'role': 'assistant', 'content': '设置在地下或半地下空间 ##0$$。'}
```

![image](https://github.com/user-attachments/assets/bcfdb3fc-7b54-44cb-ab70-2f9b715d06b8)

### What problem does this PR solve?

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

### Type of change

- Bug Fix (non-breaking change which fixes an issue)