diff --git a/PythonProject/dao/grade_dao.py b/PythonProject/dao/grade_dao.py
index e69de29..daffaf5 100644
--- a/PythonProject/dao/grade_dao.py
+++ b/PythonProject/dao/grade_dao.py
@@ -0,0 +1,10 @@
+from fastapi import Depends
+
+from util.database import get_db
+
+from model.grade_model import *
+
+
+def get_grade( stu_id:int
+              ,db=Depends(get_db)):
+    r =db.query(WlScore).filter(WlScore.stu_id == stu_id).all()
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