Do you need to file an issue?

• I have searched the existing issues and this bug is not already filed.
• I believe this is a legitimate bug, not just a question or feature request.

Describe the bug

先问了数学题，回答没问题。然后问了英语题，规划是英语，但是最终答案是上一道数学题的。

Steps to reproduce

No response

Expected Behavior

No response

Related Module

Smart Solver

Configuration Used

No response

Logs and screenshots

No response

Additional Information

• DeepTutor Version:1.4.2
• Operating System:
• Python Version:
• Node.js Version:
• Browser (if applicable):
• Related Issues: