diff --git a/PythonProject/api/grade_api.py b/PythonProject/api/grade_api.py
index f8ab18b..96b021d 100644
--- a/PythonProject/api/grade_api.py
+++ b/PythonProject/api/grade_api.py
@@ -6,11 +6,11 @@ from schema.grade_schema import *
 
 gradeAPI = APIRouter(tags=['学生考核成绩'])
 
-@gradeAPI.get("/grade/{stu_id}",summary="根据学生id查询成绩")
+@gradeAPI.get("/grade/{stu_id}",response_model=list[GradeResponse],summary="根据学生id查询成绩")
 def get_grade(stu_id: int,db=Depends(get_db)):
     try:
         res=get_grade_dao(stu_id,db)
-        return {'code': 200,'msg':'查询成功','data':res}
+        return res
     except Exception as e:
         raise HTTPException(status_code=500,detail=f'数据库查询异常:{str(e)}')
 
@@ -23,13 +23,13 @@ def post_grade(o:GradeRequest=Form(),db=Depends(get_db)):
     return o
 
 @gradeAPI.put('/{score_id}',summary='成绩修改')
-def put_grade(score_id: int,o:GradeUpdate,db=Depends(get_db)):
-    d = o.model_update(exclude_unset=True)
+def put_grade(score_id: int,o:GradeRequest=Form(),db=Depends(get_db)):
+    d = o.model_dump(exclude_unset=True)
     r = update_grade_dao(score_id=score_id
                          ,update_data=d
                          ,db=db)
-    if not r:
-        raise HTTPException(status_code=500,detail='没有更新')
+    if not d:
+        raise HTTPException(status_code=500,detail='请传入需要修改的字段')
     return {'code':200,'totals':r,'detail':'更新成功'}
 
 @gradeAPI.delete('/{score_id}',summary='删除成绩')
diff --git a/PythonProject/dao/grade_dao.py b/PythonProject/dao/grade_dao.py
index a30c5e2..72f64d2 100644
--- a/PythonProject/dao/grade_dao.py
+++ b/PythonProject/dao/grade_dao.py
@@ -9,6 +9,7 @@ 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")
@@ -21,15 +22,15 @@ def add_grade_dao(g,db):
         return o1
     except Exception:
         db.rollback()
-        return None
+        raise HTTPException(status_code=500,detail="学生添加失败")
 
 def update_grade_dao(score_id:int, update_data, db):
     try:
         rows = db.query(WlScore).filter(
-            WlScore.stu_id == score_id,
+            WlScore.score_id == score_id,
             WlScore.delete_status == 0
         ).update(update_data)
-    except:
+    except Exception:
         db.rollback()
         return False
     else:
diff --git a/PythonProject/schema/grade_schema.py b/PythonProject/schema/grade_schema.py
index d669265..db48357 100644
--- a/PythonProject/schema/grade_schema.py
+++ b/PythonProject/schema/grade_schema.py
@@ -4,17 +4,15 @@ from fastapi import HTTPException
 
 
 class GradeRequest(BaseModel):
-    stu_id:str|None = Field(description="学生编号")
+    stu_id:int = Field(description="学生编号")
     exam_order:int = Field(description='考核序次')
     score:float = Field(description='成绩')
 
-class GradeUpdate(BaseModel):#修改请求体
-    exam_order: int = Field(description='考核序次')
-    score: float = Field(description='成绩')
-
 class GradeResponse(BaseModel):
     code: int = 200
     detail: str = 'OK'
-    stu_id:str
+    stu_id:int
     exam_order:int
-    score:float
\ No newline at end of file
+    score:float
+
+