diff --git a/StatCalc/api/statcalc_api.py b/StatCalc/api/statcalc_api.py
index 69e4b0b..d34051e 100644
--- a/StatCalc/api/statcalc_api.py
+++ b/StatCalc/api/statcalc_api.py
@@ -22,9 +22,10 @@ def get_students(db=Depends(get_db)):
     ,summary='人数统计'
     ,description=f'统计每个班级的人数以及男生女生的人数。'
                   )
-def get_students(db=Depends(get_db)):
-    s_dict = stu.model_dump(exclude_unset=True) # 没值的不要
-    result = get_student_dao( s=s_dict , db=db )
+def get_students(g:get_student_dao = Depends()
+                 ,db=Depends(get_db)
+                 ):
+    result = get_class_count( g=g , db=db )
     if result:
         return result
     raise HTTPException(status_code=404, detail="没有找到符合条件的学生")
@@ -33,11 +34,8 @@ def get_students(db=Depends(get_db)):
     ,summary='80分以上成绩学生信息查询'
     ,description=f'查询每次考试成绩都在80分以上的学生的编号，姓名和成绩。'
                   )
-def get_students( stu:StudentsQuery = Depends()
-                 , db=Depends(get_db)
-                  ):
-    s_dict = stu.model_dump(exclude_unset=True) # 没值的不要
-    result = get_student_dao( s=s_dict , db=db )
+def get_students(db=Depends(get_db)):
+    result = get_student_dao( db=db )
     if result:
         return result
     raise HTTPException(status_code=404, detail="没有找到符合条件的学生")
diff --git a/StatCalc/dao/statcalc_dao.py b/StatCalc/dao/statcalc_dao.py
index 0f9f382..a53deb6 100644
--- a/StatCalc/dao/statcalc_dao.py
+++ b/StatCalc/dao/statcalc_dao.py
@@ -1,5 +1,10 @@
+from pygments.lexers import sql
+from sentry_sdk.integrations import sqlalchemy
+
 from StatCalc.schema.statcalc_request import *
 from fastapi import HTTPException
+from sqlalchemy import *
+
 
 from students.model.students_model import Students
 
@@ -7,13 +12,35 @@ def get_age_30(db):
     q = db.query(Students).filter(Students.age>=30).all()
     return q
 
+
 from class_management.model.class_management_model import ClassInfo
 
-def get_class_count(db):
-    q = (db.query(ClassInfo.id)
-         .join(Students,Students.class_id==ClassInfo.id)
-         .group_by(ClassInfo.id,Students.sex,)
-         .all())
-    m
-    f
-    return q
\ No newline at end of file
+def get_class_count(g , db):
+    if g == "班级人数":
+        q = (db.query(ClassInfo.id,ClassInfo.name,func.count(ClassInfo.id) )
+             .join(Students,Students.class_id==ClassInfo.id)
+             .group_by(ClassInfo.id,ClassInfo.name,Students.sex)
+             .all())
+    elif g == "男女人数":
+        q = (db.query(Students.sex,func.count(ClassInfo.id) )
+                 .join(Students,Students.class_id==ClassInfo.id)
+                 .group_by(Students.sex)
+                 .all())
+    elif g == "班级中男女人数":
+        q = (db.query(ClassInfo.id,ClassInfo.name,Students.sex,func.count(ClassInfo.id) )
+                   .join(Students,Students.class_id==ClassInfo.id)
+                   .group_by(ClassInfo.id,ClassInfo.name,Students.sex)
+                   .all())
+    else:
+        return False
+    return q
+
+
+from scores.model.score_model import Score
+
+def get_score_80(db):
+    q = db.query(Score).filter(Score.score>=80).all()
+    return q
+
+
+
diff --git a/StatCalc/schema/statcalc_request.py b/StatCalc/schema/statcalc_request.py
index 660ffde..c1c4c7b 100644
--- a/StatCalc/schema/statcalc_request.py
+++ b/StatCalc/schema/statcalc_request.py
@@ -4,6 +4,9 @@ from pydantic import BaseModel , Field , field_validator
 from datetime import datetime
 import enum
 
-
+class get_student_dao(enum.Enum):
+    get_class = "班级人数"
+    get_sex = "男女人数"
+    get_class_sex = "班级中男女人数"