diff --git a/PythonProject/api/cla_api.py b/PythonProject/api/cla_api.py
index e7d4da1..a57ae60 100644
--- a/PythonProject/api/cla_api.py
+++ b/PythonProject/api/cla_api.py
@@ -10,8 +10,8 @@ def add_class(data: claRequest, Session = Depends(get_db)):
     return add_class_dao(data, Session)
 
 @claAPI.get("/list", summary="查询班级")
-def list_class(Session = Depends(get_db)):
-    return get_class_dao(Session)
+def list_class(n:int,m:int,Session = Depends(get_db)):
+    return get_class_dao(n,m,Session)
 
 @claAPI.put("/{class_id}", summary="更新班级信息")
 def update_class(class_id: int, data: claRequest, Session = Depends(get_db)):
diff --git a/PythonProject/dao/cla_dao.py b/PythonProject/dao/cla_dao.py
index 12bc50c..cd53254 100644
--- a/PythonProject/dao/cla_dao.py
+++ b/PythonProject/dao/cla_dao.py
@@ -15,9 +15,9 @@ def add_class_dao(c:claRequest,session):
         session.commit()
         return '添加成功！'
 
-def get_class_dao(session):
+def get_class_dao(n,m,session):
     try:
-        class_list=session.query(ClassManagement).filter(ClassManagement.delete_status==0).all()
+        class_list=session.query(ClassManagement).filter(ClassManagement.delete_status==0).offset((n-1)*m).limit(m).all()
         return class_list
     except:
         raise HTTPException(status_code=406,detail="输入查询信息有误，请重新输入！")