diff --git a/model/dao/score_dao.py b/model/dao/score_dao.py
deleted file mode 100644
index 09510ab..0000000
--- a/model/dao/score_dao.py
+++ /dev/null
@@ -1,116 +0,0 @@
-# dao/score_dao.py
-from sqlalchemy.orm import Session
-from model.score import Score
-from model.student import Student
-
-
- # 查
-
-# 查一个学生所有成绩
-
-def get_score(db: Session, student_id: int):
-    return db.query(Score).filter(
-        Score.student_id == student_id,
-        Score.is_deleted == 0,
-    ).order_by(Score.exam_seq.asc()).all()
-
-
-
-# 查某学生的某次成绩
-def get_one_score(db: Session, student_id: int, exam_seq: int):
-
-    return db.query(Score).filter(
-        Score.student_id == student_id,
-        Score.exam_seq == exam_seq,
-        Score.is_deleted == 0,
-    ).first()
-
-
-
-# 查不及格的
-def get_warning(db: Session):
-    return db.query(Score).filter(
-        Score.is_warning == 1,
-        Score.is_deleted == 0,
-    ).all()
-
-
-
-
-
-
-# 录
-
-
-# 录信息
-def add_score(db: Session, student_id: int, exam_seq: int, score: float):
-
-    stu = db.query(Student).filter(Student.id == student_id).first()
-    if not stu:
-        return None, "学生不存在"
-
-
-    exists = get_one_score(db, student_id, exam_seq)
-    if exists:
-        return None, "该学生这次成绩已录过"
-
-
-
-    new_score = Score(
-        student_id=student_id,
-        exam_seq=exam_seq,
-        score=score,
-        is_warning=1 if score < 60 else 0,
-        is_deleted=0,
-    )
-    db.add(new_score)
-    db.commit()
-    db.refresh(new_score)
-    return new_score, None
-
-
-
-
-
-#  改
-
-  # 改成绩
-
-def update_score(db: Session, student_id: int, exam_seq: int, new_score: float):
-
-
-    obj = get_one_score(db, student_id, exam_seq)
-    if not obj:
-        return None, "成绩不存在或已删除"
-
-    obj.score = new_score
-
-    # 如果不及格 预警重置
-    obj.is_warning = 1 if new_score < 60 else 0
-
-    db.commit()
-    db.refresh(obj)
-    return obj, None
-
-
-
-
-
-# 逻辑删除
-
-
-def delete_score(db: Session, student_id: int, exam_seq: int):
-  # 把删除的学生0改成1
-
-    obj = get_one_score(db, student_id, exam_seq)
-
-    if not obj:
-        return None, "成绩不存在或已删除"
-
-
-  # 0 → 1
-    obj.is_deleted = 1
-    db.commit()
-    return obj, None
-
-
diff --git a/model/score.py b/model/score.py
deleted file mode 100644
index e633961..0000000
--- a/model/score.py
+++ /dev/null
@@ -1,24 +0,0 @@
-
-# model/score.py
-from sqlalchemy import Column, Integer, Float, ForeignKey, DateTime
-from sqlalchemy.orm import relationship
-from datetime import datetime
-from database import Base
-
-
-class Score(Base):
-    __tablename__ = "score"
-
-    id = Column(Integer, primary_key=True, autoincrement=True)  # 主键
-    student_id = Column(Integer, ForeignKey("student.id"), nullable=False) #外键
-    exam_seq = Column(Integer, nullable=False)
-    score = Column(Float, nullable=False)
-    is_warning = Column(Integer, default=0) #低分预警 0正常 1不及格
-    is_deleted = Column(Integer, default=0) #是否被逻辑删除
-
-    create_time = Column(DateTime, default=datetime.now)
-    student = relationship("Student", back_populates="scores")
-
-
-
-