MajorDO - class-scheduling

专业表实体类

对应数据库表：cs_major
主键为 major_uuid，类型为 UUID 自动生成。

{ "major_uuid": "string", "major_name": "string", "major_description": "string", "major_code": "string", "major_status": true, "department_uuid": "string", "education_years": -32768, "training_level": "string", "created_at": 0, "updated_at": 0 }