diff --git a/api/statistics.py b/api/statistics.py
index 082f7f4..37a3393 100644
--- a/api/statistics.py
+++ b/api/statistics.py
@@ -1,28 +1,28 @@
-from fastapi import APIRouter,HTTPException,Depends
-from DoubaoTeam.core.database import get_db
-from DoubaoTeam.models.student import Student
-from DoubaoTeam.models.score import Score
-from DoubaoTeam.dao.statistics import *
-from DoubaoTeam.schemas.common import SuccessResponse
-from sqlalchemy.orm import Session
-
-
-statistics_router=APIRouter()
-
-
-@statistics_router.get("/scores/age-over-30",response_model=SuccessResponse)
-def api_age_over_thirty(db:Session=Depends(get_db)):
-    try:
-        age_over_thirty_list=age_over_thirty(Student,db)
-        return SuccessResponse(status_code=200,msg=age_over_thirty_list)
-    except NoExist as e:
-        raise HTTPException(status_code=404,detail=str(e))
-# 这边功能函数返回的是一个字典
-@statistics_router.get("/classes/gender-count",response_model=SuccessResponse)
-def api_gender_count(db:Session=Depends(get_db)):
-    try:
-        result = gender_count(Student,db)
-        return SuccessResponse(status_code=200,msg=result)
-    except NoExist as e:
-        raise HTTPException(status_code=404,detail=str(e))
-
+# from fastapi import APIRouter,HTTPException,Depends
+# from DoubaoTeam.core.database import get_db
+# from DoubaoTeam.models.student import Student
+# from DoubaoTeam.models.score import Score
+# from DoubaoTeam.dao.statistics import *
+# from DoubaoTeam.schemas.common import SuccessResponse
+# from sqlalchemy.orm import Session
+#
+#
+# statistics_router=APIRouter()
+#
+#
+# @statistics_router.get("/scores/age-over-30",response_model=SuccessResponse)
+# def api_age_over_thirty(db:Session=Depends(get_db)):
+#     try:
+#         age_over_thirty_list=age_over_thirty(Student,db)
+#         return SuccessResponse(status_code=200,msg=age_over_thirty_list)
+#     except NoExist as e:
+#         raise HTTPException(status_code=404,detail=str(e))
+# # 这边功能函数返回的是一个字典
+# @statistics_router.get("/classes/gender-count",response_model=SuccessResponse)
+# def api_gender_count(db:Session=Depends(get_db)):
+#     try:
+#         result = gender_count(Student,db)
+#         return SuccessResponse(status_code=200,msg=result)
+#     except NoExist as e:
+#         raise HTTPException(status_code=404,detail=str(e))
+#
diff --git a/api/student.py b/api/student.py
index 50311ab..c606935 100644
--- a/api/student.py
+++ b/api/student.py
@@ -14,3 +14,4 @@ def create_student(request:StudentCreate,db:Session = Depends(get_db)):
 
 
 
+
diff --git a/dao/student.py b/dao/student.py
index 9fc678b..021ad90 100644
--- a/dao/student.py
+++ b/dao/student.py
@@ -8,25 +8,17 @@ def create_students(d: dict, db: Session):
     stu = Student(**d)
 
     try:
-        # 1. 添加到 Session
         db.add(stu)
-
-        # 2. flush，让 MySQL 先生成自增 id
+        #  把 SQL 发给数据库执行
         db.flush()
-
-        # 3. 根据 id 生成学生编号
+        # 根据 id 生成学生编号
         if not stu.student_no:
             stu.student_no = f"STU{stu.id:04d}"
-
-        # 4. 提交事务
         db.commit()
-
-        # 5. 刷新对象，拿到数据库最终数据
         db.refresh(stu)
-
         return stu
-
     except Exception as e:
         db.rollback()
         print(f"插入学生失败: {e}")
-        return None
\ No newline at end of file
+        return None
+