diff --git a/PythonProject/api/employment_api.py b/PythonProject/api/employment_api.py
index e69de29..22095c7 100644
--- a/PythonProject/api/employment_api.py
+++ b/PythonProject/api/employment_api.py
@@ -0,0 +1,29 @@
+from fastapi import APIRouter,Depends,HTTPException
+
+from dao import employment_dao
+from dao.employment_dao import get_employment_dao
+from schema.employment_schema import EmploymentRequest,EmploymentResponse
+from model.all_model import ClassManagement,Employment_info
+from util.database import get_db
+
+emp_api = APIRouter()
+@emp_api.get('employment/students/{stu_id}',response_model=EmploymentResponse,summary='获取学生就业信息')
+def get_emp_info1(stu_id: int,db=Depends(get_db)):
+    try:
+        if stu_id:
+            return employment_dao.get_employment_info()
+    except:
+        raise HTTPException(status_code=404, detail='该学生就业信息不存在')
+
+@emp_api.get('employment/class/{class_id}',summary='获取班级学生就业信息')
+def get_emp_info2(class_id: int,db=Depends(get_db)):
+    try:
+        if class_id:
+            return employment_dao.get_employment_info()
+    except:
+        raise HTTPException(status_code=404, detail='该班级就业信息不存在')
+
+# @emp_api.post('employment/students/{stu_id}')
+# def create_emp_info(stu_id: int,db=Depends(get_db)):
+#     try:
+#     pass
diff --git a/PythonProject/api/grade_api.py b/PythonProject/api/grade_api.py
index f76c053..5872b26 100644
--- a/PythonProject/api/grade_api.py
+++ b/PythonProject/api/grade_api.py
@@ -1,7 +1,8 @@
-from fastapi import APIRouter,Depends,HTTPException,Path
+from fastapi import APIRouter,Depends,HTTPException,Path,Form
 from util.database import get_db
 from model.all_model import Student_Model
 from dao.grade_dao import *
+from schema.grade_schema import *
 
 gradeAPI = APIRouter(tags=['学生考核成绩'])
 
@@ -12,3 +13,18 @@ def get_grade(stu_id: int,db=Depends(get_db)):
         return {'code': 200,'msg':'查询成功','data':res}
     except Exception as e:
         raise HTTPException(status_code=500,detail=f'数据库查询异常:{str(e)}')
+
+@gradeAPI.post('/{stu_id}',response_model=GradeResponse,summary='添加学生成绩')
+def post_grade(o:GradeRequest=Form(),db=Depends(get_db)):
+
+    exist_obj = get_grade_dao(db,o.stu_id)
+    if exist_obj:
+        raise HTTPException(status_code=409, detail="该学生此考核序次成绩已存在！")
+
+    d=o.model_dump()
+    r=add_grade_dao(g=d,db=db)
+    if not r:
+        raise HTTPException(status_code=400, detail='学生不存在')
+    return o
+
+
diff --git a/PythonProject/api/statistics_api.py b/PythonProject/api/statistics_api.py
index 0135d31..ab3141d 100644
--- a/PythonProject/api/statistics_api.py
+++ b/PythonProject/api/statistics_api.py
@@ -1,20 +1,38 @@
-from fastapi import APIRouter
-from dao.statistics_dao import select_all,select_age,select_score
+from fastapi import APIRouter,Depends
+from dao.statistics_dao import select_all,select_age,select_score,select_avg_score,select_salary,select_days
 from schema.student_schema import StudentResponse
+from schema.statistics_schema import AllStuResponse,AvgDayResponse
+from util.database import get_db
 
-StudentAPI = APIRouter()
+StatisticsAPI = APIRouter()
 
-@StudentAPI.get("/age",response_model=StudentResponse,tags=['统计分析模块'],description='根据年龄查询学生信息')
-def get_students(min_age:int|None=None,max_age:int|None=None):
-    l = select_age(min_age,max_age)
+@StatisticsAPI.get("/age",response_model=list[StudentResponse],tags=['统计分析模块'],summary='根据年龄查询学生信息')
+def get_students(min_age:int|None=None,max_age:int|None=None,db=Depends(get_db)):
+    l = select_age(min_age,max_age,db)
+    return l
+
+@StatisticsAPI.get("/all",response_model=list[AllStuResponse],tags=['统计分析模块'],summary='统计每个班级的学员总数和男女生总数')
+def get_students(db=Depends(get_db)):
+    l = select_all(db)
+    return l
+
+@StatisticsAPI.get("/score",response_model=StudentResponse,tags=['统计分析模块'],summary='根据成绩查询学生信息')
+def get_students(min_score:int|None=None,max_score:int|None=None,db=Depends(get_db)):
+    l = select_score(min_score,max_score,db)
     return [i for i in l]
 
-@StudentAPI.get("/all",response_model=StudentResponse,tags=['统计分析模块'],description='统计每个班级的学员总数和男女生总数')
-def get_students():
-    l = select_all()
+@StatisticsAPI.get("/avg_score",response_model=StudentResponse,tags=['统计分析模块'],summary='统计每次考试每个班级的平均分并排序')
+def get_scores(db=Depends(get_db)):
+    l = select_avg_score(db)
     return [i for i in l]
 
-@StudentAPI.get("/score",response_model=StudentResponse,tags=['统计分析模块'],description='根据成绩查询学生信息')
-def get_students(min_score:int|None=None,max_score:int|None=None):
-    l = select_score(min_score,max_score)
-    return [i for i in l]
\ No newline at end of file
+@StatisticsAPI.get("/salary",response_model=list[StudentResponse],tags=['统计分析模块'],summary='统计薪资最高的前五名的学员信息')
+def get_scores(db=Depends(get_db)):
+    l = select_salary(db)
+    return l
+
+@StatisticsAPI.get("/avg_day",response_model=list[AvgDayResponse],tags=['统计分析模块'],summary='统计每个班级的平均就业时长')
+def get_days(db=Depends(get_db)):
+    l = select_days(db)
+    return l
+
diff --git a/PythonProject/api/student_api.py b/PythonProject/api/student_api.py
index 04a4719..050991a 100644
--- a/PythonProject/api/student_api.py
+++ b/PythonProject/api/student_api.py
@@ -6,7 +6,7 @@ from util.database import get_db
 
 StudentAPI = APIRouter()
 
-@StudentAPI.get('/',response_model=list[StudentPageResponse],description='查询学生信息')
+@StudentAPI.get('/',response_model=list[StudentPageResponse],tags=['学⽣基本信息管理模块'],description='查询学生信息')
 def get_students(stu_id:int|None=None
                 ,stu_name:str|None=None
                 ,class_id:int|None=None
@@ -29,7 +29,7 @@ def get_students(stu_id:int|None=None
         , 'total': total
         , 'data': r}
 
-@StudentAPI.put('/{stu_id}')
+@StudentAPI.put('/{stu_id}',tags=['学⽣基本信息管理模块'])
 def update_students(s:StudentRequest
                     ,stu_id:int
                     ,db=Depends(get_db)):
@@ -41,7 +41,7 @@ def update_students(s:StudentRequest
         raise HTTPException(status_code=500, detail='没有更新！')
     return {'code':200,'totals':r,'detail':'更新成功'}
 
-@StudentAPI.delete('/{stu_id}')
+@StudentAPI.delete('/{stu_id}',tags=['学⽣基本信息管理模块'])
 def del_students(stu_id:int
                  ,db=Depends(get_db)):
     rows=delete_student_dao( stu_id=stu_id,db=db )
@@ -49,7 +49,7 @@ def del_students(stu_id:int
         raise HTTPException(status_code=500,detail='没有删除')
     return {'code':200,'totals':rows,'detail':'删除成功'}
 
-@StudentAPI.post('/',response_model=StugetResponse,description='新增学生')
+@StudentAPI.post('/',tags=['学⽣基本信息管理模块'],response_model=StugetResponse)
 def add_students(s:StudentRequest
                  ,db=Depends(get_db)):
     d=s.model_dump(exclude_unset=False)
@@ -59,3 +59,14 @@ def add_students(s:StudentRequest
     return stu_new
 
 
+@StudentAPI.put('/',tags=['学⽣基本信息管理模块'])
+def get_students(stu_id:int|None = None
+                 ,stu_name:str|None = None
+                 ,class_id:int|None=None
+                 ,db=Depends(get_db)
+                 ,page:int=1
+                 ,page_size:int=10):
+    r = get_student_dao(stu_id,stu_name,class_id,db,page,page_size )
+    if r:
+        return r
+    raise HTTPException(status_code=404,detail='学生不存在！')
diff --git a/PythonProject/api/teacher_api.py b/PythonProject/api/teacher_api.py
index 44f23a5..45ff834 100644
--- a/PythonProject/api/teacher_api.py
+++ b/PythonProject/api/teacher_api.py
@@ -1,15 +1,11 @@
 from fastapi import APIRouter,HTTPException
-from fastapi.params import Depends
-
-from model.all_model import *
 from schema.teacher_schema import Teacher_ResponseModel, Teacher_RequestModel
-from tmpl.work.util.database import get_db
 from dao.teacher_dao import *
 
 teacher_api=APIRouter()
 
-@teacher_api.post("",response_model=Teacher_ResponseModel)
-def add_teacher1(teacher:Teacher_RequestModel,session=Depends(get_db())):
+@teacher_api.post("/",response_model=Teacher_ResponseModel,tags=['教师基本信息管理模块'],summary='新增教师接口')
+def add_teacher(teacher:Teacher_RequestModel,session=Depends(get_db)):
     d=teacher.model_dump()
     r=add_teacher(req=d,session=session)
     if not r:
@@ -17,25 +13,24 @@ def add_teacher1(teacher:Teacher_RequestModel,session=Depends(get_db())):
     return Teacher_ResponseModel(totals=1,data=d)
 
 
-@teacher_api.get("",response_model=Teacher_ResponseModel)
-def get_teacher(id:int,session=Depends(get_db)):
-    r = session.query(Teacher_Model).filter( Teacher_Model.teac_id == id ).all()
-    if r:
-        return [{'teac_name':i.teac_name,'teac_gender':i.teac_gender,'teac_age':i.teac_age,'teac_position':i.teac_position} for i in r]
-    raise HTTPException(status_code=404,detail='老师不存在！')
+@teacher_api.get("/",response_model=Teacher_ResponseModel,tags=['教师基本信息管理模块'],summary='查询教师接口')
+def get_teacher(id: int, session=Depends(get_db)):
+    r = get_teacher(id=id, session=session)
+    if not r:
+        raise HTTPException(status_code=500, detail='查询异常！')
 
 
-@teacher_api.put("",response_model=Teacher_ResponseModel)
-def update_teacher1(id:int,teacher:Teacher_RequestModel,session=Depends(get_db)):
-    d=teacher.model_dump
+@teacher_api.put("/",response_model=Teacher_ResponseModel,tags=['教师基本信息管理模块'],summary='更新教师接口')
+def update_teacher(id:int,teacher:Teacher_RequestModel,session=Depends(get_db)):
+    d=teacher.model_dump()
     r=update_teacher(id=id,req=d,session=session)
     if not r:
         raise HTTPException(status_code=500, detail='更新异常！')
     return {'code': 200, 'totals': r, 'detail': '更新成功'}
 
 
-@teacher_api.delete("",response_model=Teacher_ResponseModel)
-def delete_teacher1(id:int,session=Depends(get_db)):
+@teacher_api.delete("/",response_model=Teacher_ResponseModel,tags=['教师基本信息管理模块'],summary='删除教师接口')
+def delete_teacher(id:int,session=Depends(get_db)):
     r=delete_teacher(id=id,session=session)
     if not r:
         raise HTTPException(status_code=500,detail='删除异常！')
diff --git a/PythonProject/dao/cla_dao.py b/PythonProject/dao/cla_dao.py
new file mode 100644
index 0000000..272c810
--- /dev/null
+++ b/PythonProject/dao/cla_dao.py
@@ -0,0 +1,85 @@
+from model.all_model import ClassManagement
+from fastapi import HTTPException
+from schema.cla_schema import claRequest
+
+
+def add_class_dao(c:claRequest,session):
+    try:
+        data = c.model_dump()
+        d = ClassManagement(**data)
+        session.add(d)
+    except:
+        session.rollback()
+        return '输入有误，请重新添加班级!'
+    else:
+        session.commit()
+        return '添加成功！'
+
+def get_class_dao(session):
+    try:
+        class_list=session.query(ClassManagement).filter(ClassManagement.delete_status==0).all()
+        return class_list
+    except:
+        raise HTTPException(status_code=406,detail="输入查询信息有误，请重新输入！")
+
+def update_class_dao(id:int,req:ClassManagement,session):
+    try:
+        session.query(ClassManagement).filter(ClassManagement.class_id==id)\
+        .filter(ClassManagement.delete_status==0).update(req.model_dump(exclude_unset=True))
+        session.commit()
+    except:
+        raise HTTPException(status_code=400,detail="更新格式错误或参数缺失，请重新输入！")
+    return '更新成功，请核对信息！'
+
+def delete_class(id:int,session):
+    try:
+        session.query(ClassManagement).filter(ClassManagement.class_id==id,ClassManagement.delete_status==0)\
+        .update({'delete_status': 1})
+        session.commit()
+    except:
+        raise HTTPException(status_code=404, detail="删除异常,请重新核对之后删除！")
+    return '删除成功，请核对信息！'
+
+def get_class_for_delete(id: int, session):
+    try:
+        obj = (
+            session.query(ClassManagement).filter(ClassManagement.class_id == id,ClassManagement.delete_status == 0).first()
+        )
+        if not obj:
+            raise HTTPException(status_code=404, detail="班级不存在")
+    except HTTPException:
+        raise
+    except Exception:
+        raise HTTPException(status_code=500, detail="查询异常，请重新核对！")
+
+    return {
+        "class_id": obj.class_id,
+        "class_name": obj.class_name,
+        "start_class_date": obj.start_class_date,
+        "head_teacher_id": obj.head_teacher_id,
+        "class_teacher_id": obj.class_teacher_id,
+    }
+
+
+def hard_delete_class(id: int, session):
+    try:
+        obj = (
+            session.query(ClassManagement).filter(ClassManagement.class_id == id,ClassManagement.delete_status == 0)
+            .first()
+        )
+        if not obj:
+            raise HTTPException(status_code=404, detail="班级不存在")
+
+        session.delete(obj)
+        session.commit()
+    except HTTPException:
+        raise
+    except Exception:
+        session.rollback()
+        raise HTTPException(status_code=500, detail="删除异常，请重新核对之后删除！")
+
+    return '删除成功，请核对信息！'
+
+
+
+
diff --git a/PythonProject/dao/employment_dao.py b/PythonProject/dao/employment_dao.py
index e69de29..426452b 100644
--- a/PythonProject/dao/employment_dao.py
+++ b/PythonProject/dao/employment_dao.py
@@ -0,0 +1,46 @@
+from fastapi import HTTPException,Depends
+from model.all_model import Employment_info, ClassManagement, Student_Model
+from util.database import get_db
+from schema.employment_schema import EmploymentRequest
+
+def get_employment_dao(stu_id,class_id,db=Depends(get_db())):
+    try:
+        q = db.query(Employment_info).\
+            join(Student_Model,Employment_info.stu_id == Student_Model.stu_id).\
+            join(ClassManagement,Student_Model.class_id == ClassManagement.class_id).\
+            filter(Employment_info.delete_status == 0).\
+            filter(Student_Model.delete_status == 0).\
+            filter(ClassManagement.delete_status == 0)
+        if stu_id is not None:
+            q = q.filter(Employment_info.stu_id == stu_id)
+        if class_id is not None:
+            q = q.filter(ClassManagement.class_id == class_id)
+        r = q.all()
+        if r:
+            return [{'emp_id':i.emp_id
+                    ,'stu_id': i.stu_id
+                    ,'stu_name':i.stu_name
+                    ,'class_id':i.class_id
+                    ,'email':i.email
+                    ,'employment_opening_date':i.employment_opening_date
+                    ,'offer_issuance_date':i.offer_issuance_date
+                    ,'company_name':i.company_name
+                    ,'company_address':i.company_address
+                    ,'salary':i.salary
+                    }for i in r
+                    ]
+    except:
+        raise HTTPException(status_code=404,detail='信息不存在！')
+
+# def add_employment_dao(e:EmlpoymentRequest,db=Depends(get_db()),stu_id):
+#     try:
+#         r = db.query(Employment_info).filter(Employment_info.stu_id == stu_id).all()
+#         if r:
+#         e1 = Employment_info(**e)
+#         db.add(e1)
+#     except:
+#         db.rollback()
+#         return False
+#     else:
+#         db.commit()
+#         return True
diff --git a/PythonProject/dao/grade_dao.py b/PythonProject/dao/grade_dao.py
index 8ee4926..9471ae7 100644
--- a/PythonProject/dao/grade_dao.py
+++ b/PythonProject/dao/grade_dao.py
@@ -2,14 +2,23 @@ from fastapi import Depends,HTTPException
 
 from util.database import get_db
 
-from model.grade_model import *
+from model.all_model import *
 
 
-def get_grade_dao( stu_id:int
-              ,db=Depends(get_db)):
+def get_grade_dao( stu_id:int , db):
 
     r1 =db.query(WlScore).filter(WlScore.stu_id == stu_id,WlScore.delete_status == 0).all()
     if r1:
         return r1
     else:
         raise HTTPException(status_code=404,detail="学生不存在")
+
+def add_grade_dao(g,db):
+    try:
+        o1 = WlScore(**g)
+        db.add(o1)
+        db.commit()
+        return o1
+    except Exception:
+        db.rollback()
+        return None
\ No newline at end of file
diff --git a/PythonProject/dao/statistics_dao.py b/PythonProject/dao/statistics_dao.py
index de2fd06..774fb74 100644
--- a/PythonProject/dao/statistics_dao.py
+++ b/PythonProject/dao/statistics_dao.py
@@ -1,61 +1,93 @@
-from datetime import datetime
-
-from fastapi import HTTPException,Depends
+from fastapi import HTTPException
 from sqlalchemy import func
 from model.all_model import Student_Model,WlScore,Employment_info
-from util.database import get_db
 
 # 实现根据年龄查询学生信息的功能
-def select_age(min_age,max_age,session=Depends(get_db)):
+def select_age(min_age,max_age,db):
     try:
         if min_age is None and max_age is None:
             raise HTTPException(status_code=400, detail="请至少传入一个参数")
-        session = session.query(Student_Model)
+        db = db.query(Student_Model)
         if min_age is not None:
-            session = session.filter(Student_Model.age >= min_age,Student_Model.delete_status == 0)
+            db = db.filter(Student_Model.age >= min_age,Student_Model.delete_status == 0)
         if max_age is not None:
-            session = session.filter(Student_Model.age <= max_age,Student_Model.delete_status == 0)
-        return session.all()
+            db = db.filter(Student_Model.age <= max_age,Student_Model.delete_status == 0)
+        print('abc',db.all())
+        return db.all()
     except HTTPException:
         raise
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
 
 # 实现统计每个班级的学员总数以及男女生的总数的功能
-def select_all(session=Depends(get_db)):
-    print('1234')
+def select_all(db):
     try:
-        l1 = session.query(Student_Model.class_id,func.count(1)).group_by(Student_Model.class_id,Student_Model.gender).all()
+        l1 = db.query(Student_Model.class_id,Student_Model.gender,func.count(1).label('cnt'))\
+            .group_by(Student_Model.class_id,Student_Model.gender).all()
         return l1
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
 
 # 实现根据成绩查询学员信息的功能
-def select_score(min_score,max_score,session=Depends(get_db)):
+def select_score(min_score,max_score,db):
     try:
         if min_score is None and max_score is None:
             raise HTTPException(status_code=400, detail="请至少传入一个参数")
-        session = session.query(Student_Model,WlScore.score,WlScore.score)\
-            .join(WlScore,WlScore.stu_id == Student_Model.stu_id,WlScore.delete_status==0,WlScore.delete_status == 0)
+        db = db.query(Student_Model,WlScore.score,WlScore.score)\
+                .join(WlScore,WlScore.stu_id == Student_Model.stu_id)\
+                .filter(WlScore.delete_status==0,Student_Model.delete_status == 0)
         if min_score is not None:
-            session = session.filter(WlScore.score >= min_score)
+            db = db.filter(WlScore.score >= min_score)
         if min_score is not None:
-            session = session.filter(WlScore.score <= max_score)
-        return session.all()
+            db = db.filter(WlScore.score <= max_score)
+        return db.all()
     except HTTPException:
         raise
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
 
-#实现查询每个学生的就业时长
-def select_emp_duration(stu_id:int,session):
+# 实现统计每次考试每个班级的平均分并排序的功能
+def select_avg_score(db):
     try:
-       l2 = session.query(Employment_info,Student_Model.name.label('stu_name'),).join(Student_Model,stu_id==Student_Model.stu_id).filter(Employment_info.stu_id == stu_id,Employment_info.delete_status == 0).all()
-       list=[]
-       today=datetime.today()
-       for i in l2:
-          duration_days = (today - i.start_date).days
-       list.append({Employment_info.stu_id:i.stu_id,
+        l1 = db.query(func.avg(WlScore.score))\
+            .join(Student_Model,WlScore.stu_id == Student_Model.stu_id)\
+            .filter(WlScore.delete_status==0,Student_Model.delete_status == 0)\
+            .group_by(Student_Model.class_id)\
+            .order_by(func.avg(WlScore.score)).all()
+        return l1
+    except Exception:
+        raise HTTPException(status_code=500,detail="查询异常")
+
+# 实现统计薪资最高的前五名的学员信息
+def select_salary(db):
+    try:
+        l1 = db.query(Student_Model,Employment_info.salary)\
+            .join(Employment_info,Employment_info.stu_id==Student_Model.stu_id)\
+            .filter(Employment_info.delete_status==0,Student_Model.delete_status == 0)\
+            .order_by(Employment_info.salary.desc())\
+            .limit(5).all()
+        return l1
+    except Exception:
+        raise HTTPException(status_code=500,detail="查询异常")
+
+# 实现统计每个班级的平均就业时长
+def select_days(db):
+    try:
+        l1 = db.query(Student_Model.class_id,
+            func.coalesce(
+                func.avg(
+                    func.datediff(
+                        Employment_info.offer_issuance_date, Employment_info.employment_opening_date
+                    )
+                ),0).label("avg_days")
+            ).join(Employment_info,Employment_info.stu_id == Student_Model.stu_id)\
+            .filter(Student_Model.delete_status == 0,
+                    Employment_info.delete_status == 0,
+                    Employment_info.employment_opening_date.isnot(None),
+                    Employment_info.offer_issuance_date.isnot(None),)\
+            .group_by( Student_Model.class_id)\
+            .order_by(func.avg(func.datediff(Employment_info.offer_issuance_date,Student_Model.admission_date)).desc()).all()
+        return l1
+    except Exception:
+        raise HTTPException(status_code=500, detail="查询异常")
 
-                    Employment_info.offer_issuance_date:i.offer_issuance_date,
-                    Employment_info.company_name:i.company_name})
diff --git a/PythonProject/dao/teacher_dao.py b/PythonProject/dao/teacher_dao.py
index 01d51ac..694598e 100644
--- a/PythonProject/dao/teacher_dao.py
+++ b/PythonProject/dao/teacher_dao.py
@@ -3,7 +3,7 @@ from model.all_model import Teacher_Model
 from util.database import *
 from schema.teacher_schema import Teacher_RequestModel
 
-def add_teacher(req:Teacher_RequestModel,session=Depends(get_db)):
+def add_teacher(req:Teacher_RequestModel,session):
     try:
         data=req.model_dump()
         session.add(Teacher_Model(**data))
@@ -12,14 +12,14 @@ def add_teacher(req:Teacher_RequestModel,session=Depends(get_db)):
         raise HTTPException(status_code=500,detail="添加异常！")
     return req.model_dump()
 
-def select_teacher(session=Depends(get_db)):
+def get_teacher(session):
     try:
         teacher_list=session.query(Teacher_Model).filter(Teacher_Model.delete_status==0).all()
         return teacher_list
     except:
         raise HTTPException(status_code=500,detail="查询异常！")
 
-def update_teacher(id:int,req:Teacher_RequestModel,session=Depends(get_db)):
+def update_teacher(id:int,req:Teacher_RequestModel,session):
     try:
         session.query(Teacher_Model).filter(Teacher_Model.teac_id==id)\
         .filter(Teacher_Model.delete_status==0).update(req.model_dump(exclude_unset=True))
@@ -27,7 +27,7 @@ def update_teacher(id:int,req:Teacher_RequestModel,session=Depends(get_db)):
     except:
         raise HTTPException(status_code=500,detail="更新异常！")
 
-def delete_teacher(id:int,session=Depends(get_db)):
+def delete_teacher(id:int,session):
     try:
         session.query(Teacher_Model).filter(Teacher_Model.teac_id==id,Teacher_Model.delete_status==0)\
             .update({'delete_status':1})
diff --git a/PythonProject/main.py b/PythonProject/main.py
index 7d661dd..9223bc4 100644
--- a/PythonProject/main.py
+++ b/PythonProject/main.py
@@ -1,5 +1,20 @@
 from fastapi import FastAPI
+
+from api.employment_api import emp_api
 from api.student_api import StudentAPI
-app = FastAPI()
+from api.statistics_api import StatisticsAPI
+from api.teacher_api import teacher_api
+from api.grade_api import gradeAPI
+app = FastAPI(title='沃林学⽣管理系统')
 
 app.include_router(StudentAPI)
+app.include_router(StatisticsAPI)
+
+app.include_router(teacher_api)
+app.include_router(emp_api)
+
+
+if __name__ == '__main__':
+    import uvicorn
+    uvicorn.run("main:app",host='0.0.0.0',port=12310)
+app.include_router(gradeAPI)
diff --git a/PythonProject/model/all_model.py b/PythonProject/model/all_model.py
index a2be52c..422cb09 100644
--- a/PythonProject/model/all_model.py
+++ b/PythonProject/model/all_model.py
@@ -10,6 +10,11 @@ class Student_Model(Base):
                     , autoincrement=True
                     ,comment='学生编号')
 
+    class_id = Column(Integer
+                    ,ForeignKey('wl_class.class_id')
+                    ,comment='班级编号'
+                    )
+
     stu_name=Column(String(100),comment='学生姓名')
 
     age=Column(Integer,comment='年龄')
@@ -49,12 +54,6 @@ class ClassManagement(Base):
 
     class_id= Column(Integer, primary_key=True, autoincrement=True,comment='班级编号')
 
-    stu_id = Column(Integer
-                    ,ForeignKey('wl_student.stu_id')
-                    ,nullable=False
-                    ,comment='学生编号'
-                    )
-
     class_name = Column(String(100), comment='班级姓名')
 
     start_class_date = Column(DATE,comment='开课时间')
@@ -76,13 +75,13 @@ class Teacher_Model(Base):
 
     teac_id=Column(Integer,primary_key=True,autoincrement=True,comment='老师编号')
 
-    teac_name=Column(String(20),comment='老师姓名')
+    teac_name=Column(String(100),comment='老师姓名')
 
-    teac_gender=Column(String(5),comment='老师性别')
+    teac_gender=Column(String(100),comment='老师性别')
 
     teac_age=Column(Integer,comment='老师年龄')
 
-    teac_position =Column(String(20),comment='老师职位')
+    teac_position =Column(String(100),comment='老师职位')
 
     create_date=Column(DATETIME,default=datetime.now)
 
@@ -160,7 +159,6 @@ class WlScore(Base):
 
     stu_id = Column( Integer
                     ,ForeignKey('wl_student.stu_id')
-                    ,autoincrement=True
                     ,comment='学生编号')
 
     exam_order = Column(Integer
diff --git a/PythonProject/schema/cla_schema.py b/PythonProject/schema/cla_schema.py
index 5d64fcb..dad7082 100644
--- a/PythonProject/schema/cla_schema.py
+++ b/PythonProject/schema/cla_schema.py
@@ -1,6 +1,5 @@
 from datetime import date
 from pydantic import BaseModel
-from sqlalchemy import DATETIME
 
 class claRequest(BaseModel):
 
@@ -12,23 +11,16 @@ class claRequest(BaseModel):
 
     class_teacher_id : int|None = None
 
-    Entry_date  : DATETIME
-
-    update_date : DATETIME
-
-    delete_status : int|None = None
-
-    delete_time : DATETIME
-
 class claResponse(BaseModel):
 
-    code:int = 200
+    code: int = 200
 
-    detail:str = 'ok'
+    detail: str = 'ok'
 
-    class_name = str
+    class_name: str | None = None
 
-    head_teacher_id = int
+    head_teacher_id: int | None = None
+
+    class_teacher_id: int | None = None
 
-    class_teacher_id = int
 
diff --git a/PythonProject/schema/employment_schema.py b/PythonProject/schema/employment_schema.py
index 47a153f..4e93d2c 100644
--- a/PythonProject/schema/employment_schema.py
+++ b/PythonProject/schema/employment_schema.py
@@ -1,12 +1,13 @@
 from fastapi import Query,HTTPException
 from pydantic import BaseModel, field_validator
-from datetime import datetime
+from datetime import date
+from typing import Optional
 
-class EmlpoymentRequest(BaseModel):
+class EmploymentRequest(BaseModel):
     stu_id: int=Query(ge=1)
     email: str|None
-    employment_opening_date:datetime
-    offer_issuance_date:datetime
+    employment_opening_date:date
+    offer_issuance_date:date
     company_name:str
     company_address:str|None
     salary:float
@@ -21,10 +22,13 @@ class EmlpoymentRequest(BaseModel):
 class EmploymentResponse(BaseModel):
     code:int = 200
     detail:str = 'OK'
+    emp_id:int
     stu_id: int
+    stu_name:Optional[str] = None
+    class_id:int
     email: str | None
-    employment_opening_date: datetime
-    offer_issuance_date: datetime
+    employment_opening_date: date
+    offer_issuance_date: date
     company_name: str
     company_address: str | None
     salary: float
\ No newline at end of file
diff --git a/PythonProject/schema/grade_schema.py b/PythonProject/schema/grade_schema.py
index 09de5b5..d1ff0ae 100644
--- a/PythonProject/schema/grade_schema.py
+++ b/PythonProject/schema/grade_schema.py
@@ -1,10 +1,16 @@
-from datetime import date
-from typing import Self
-from pydantic import BaseModel,Field
+from model.all_model import *
+from pydantic import BaseModel, Field, field_validator
+from fastapi import HTTPException
+
 
 class GradeRequest(BaseModel):
     stu_id:str|None = Field(description="学生编号")
+    exam_order:int = Field(description='考核序次')
+    score:float = Field(description='成绩')
 
-
-
-class GradeResponse(BaseModel):
\ No newline at end of file
+class GradeResponse(BaseModel):
+    code: int = 200
+    detail: str = 'OK'
+    stu_id:str
+    exam_order:int
+    score:float
\ No newline at end of file
diff --git a/PythonProject/schema/statistics_schema.py b/PythonProject/schema/statistics_schema.py
new file mode 100644
index 0000000..4c967e0
--- /dev/null
+++ b/PythonProject/schema/statistics_schema.py
@@ -0,0 +1,11 @@
+from pydantic import BaseModel
+
+class AllStuResponse(BaseModel):
+    class_id: int
+    gender: str | None
+    cnt: int
+
+class AvgDayResponse(BaseModel):
+    class_id: int
+    avg_days: str | None
+
diff --git a/PythonProject/schema/teacher_schema.py b/PythonProject/schema/teacher_schema.py
index 0344fec..8f60539 100644
--- a/PythonProject/schema/teacher_schema.py
+++ b/PythonProject/schema/teacher_schema.py
@@ -1,6 +1,6 @@
 from datetime import date
-
-from pydantic.v1 import BaseModel
+from pydantic import BaseModel
+# from pydantic.v1 import BaseModel
 from datetime import datetime
 
 class Teacher_RequestModel(BaseModel):
diff --git a/需求文档.md b/需求文档.md
index 2df2681..d6eb866 100644
--- a/需求文档.md
+++ b/需求文档.md
@@ -57,7 +57,7 @@ dao层（每一个功能就是一个函数，判断能否功能复用）
 实现统计每个班级的学员总数以及男女生的总数的功能 **mrz 已作成**
 实现根据成绩查询学员信息的功能 **mrz 已作成**
 实现统计每次考试每个班级的平均分并排序的功能 **mrz 做成中**
-实现统计薪资最高的前五名的学员信息 **sgt 做成中**
-实现查询每个学生的就业时长 **xxx 做成中**
+实现统计薪资最高的前五名的学员信息 **mrz 做成中**
+实现查询每个学生的就业时长 **msj 做成中**
 实现统计每个班级的平均就业时长 **xxx 做成中**