Update project name:
- README.md: proj51-HIT
- pyproject.toml: proj51-HIT
- Description: Updated to mention HIT Team

Project Identity:
- Name: proj51-HIT
- Team: HIT-Team
- University: 哈尔滨工业大学 (HIT)
- Student ID: T2026102139911261
- Project ID: project3136859