diff --git a/dao/teaDao.py b/dao/teaDao.py
deleted file mode 100644
index 15ae598..0000000
--- a/dao/teaDao.py
+++ /dev/null
@@ -1,63 +0,0 @@
-from sqlalchemy.exc import SQLAlchemyError
-from fastapi import HTTPException
-from model.teaModel import Teacher
-
-def get_teachers_limit_dao(p,n,db):
-    if p == 0 and n == 0:
-        r = db.query(Teacher).all()
-    else:
-        if p < 1:
-            p = 1
-        r = db.query(Teacher).offset((p-1)*n).limit(n).all()
-    return [ {'id':i.id,'t_name':i.t_name,'t_sex':i.t_sex,'t_age':i.t_age}  for i in r]
-
-
-def get_teachers_name_dao(name,db):
-    try:
-        r = db.query(Teacher).filter(Teacher.t_name==name).all()
-    except SQLAlchemyError as e:
-        db.rollback()
-        raise HTTPException(status_code=500, detail=f'查询失败:{str(e)}')
-    else:
-        return [ {'id':i.id,'t_name':i.t_name,'t_sex':i.t_sex,'t_age':i.t_age}  for i in r]
-
-def insert_teachers_dao(req,db):
-    try:
-        exist = db.query(Teacher).filter(Teacher.t_phone==req['t_phone']).first()
-        if exist:
-            raise HTTPException(status_code=400,detail='该手机号码已存在,不可重复使用')
-        t = Teacher(**req)
-        db.add(t)
-    except SQLAlchemyError as e:
-        db.rollback()
-        raise HTTPException(status_code=500,detail=f'添加失败:{str(e)}')
-    else:
-        db.commit()
-        return True,'添加成功'
-
-def update_teachers_dao(req,db,t_id):
-    try:
-        db.query(Teacher).filter(Teacher.id == t_id).update(req)
-    except SQLAlchemyError as e:
-        db.rollback()
-        raise HTTPException(status_code=500,detail=f'更新失败:{str(e)}')
-    else:
-        db.commit()
-        return True,'更新成功'
-
-def delete_teachers_dao(t_id,db):
-    try:
-        r = db.query(Teacher).filter(Teacher.id == t_id).all()
-        if not r:
-            raise HTTPException(status_code=404,detail='记录不存在')
-        for i in r:
-            if i.is_delete == 0:
-                db.query(Teacher).filter(Teacher.id == i.id).update({'is_delete':True})
-            else:
-                raise HTTPException(status_code=400,detail='该记录已删除，不可重复删除')
-    except SQLAlchemyError as e:
-        db.rollback()
-        raise HTTPException(status_code=500,detail=f'删除失败：{str(e)}')
-    else:
-        db.commit()
-        return True,'删除成功'