v1.2.0 2026新版本

v1.2 2026新版本，增加学期，增加数据一致性检查

What's Changed

• 新版增加学期和教师管理 by @mingyush in #3
• v1.2 新增数据一致性修复功能 by @mingyush in #4

New Contributors

• @mingyush made their first contribution in #3

Full Changelog: https://github.com/mingyush/classPointSystem/commits/v1.2.0