diff --git a/PythonProject/dao/statistics_dao.py b/PythonProject/dao/statistics_dao.py
index f6576b5..85b59f9 100644
--- a/PythonProject/dao/statistics_dao.py
+++ b/PythonProject/dao/statistics_dao.py
@@ -178,7 +178,7 @@ def classify_salary(db):
                 c+=1
             else:
                 d+=1
-        return {'5k以下': a, '5k-10k': b, '10k-15k': c, '15k': d}
+        return {'5k以下': a, '5k-10k': b, '10k-15k': c, '15k以上': d}
     except:
         raise HTTPException(status_code=500,detail='查询异常！')
 
@@ -186,11 +186,11 @@ def classify_salary(db):
 def avg_salary(db):
     try:
         l=db.query(Student_Model.class_id,func.avg(Employment_info.salary).label('avg_salaries'))\
-        .join(Employment_info,Employment_info.stu_id == Student_Model.stu_id)\
-        .filter(Employment_info.salary>0,Employment_info.delete_status==0,Student_Model.delete_status==0)\
-        .group_by(Student_Model.class_id)\
-        .order_by(func.avg(Employment_info.salary).desc()).all()
-        return l
+            .join(Employment_info,Employment_info.stu_id == Student_Model.stu_id)\
+            .filter(Employment_info.salary>0,Employment_info.delete_status==0,Student_Model.delete_status==0)\
+            .group_by(Student_Model.class_id)\
+            .order_by(func.avg(Employment_info.salary).desc()).all()
+        return [{'class_id':i[0],'avg_salaries':i[1]} for i in l]
     except:
         raise HTTPException(status_code=500,detail='统计异常！')
 
diff --git a/PythonProject/dao/teacher_dao.py b/PythonProject/dao/teacher_dao.py
index fe97b02..f2f2da3 100644
--- a/PythonProject/dao/teacher_dao.py
+++ b/PythonProject/dao/teacher_dao.py
@@ -10,7 +10,6 @@ def add_teacher(teacher,session):
         return teacher
     except:
         session.rollback()
-        # raise HTTPException(status_code=500,detail='添加异常！')
         return None
 
 def get_teacher(id,session):
diff --git a/PythonProject/main.py b/PythonProject/main.py
index 3474b17..8bee816 100644
--- a/PythonProject/main.py
+++ b/PythonProject/main.py
@@ -14,7 +14,7 @@ tags_metadata = [
     {"name": "学生就业管理模块"},
     {"name": "统计分析模块"},
 ]
-app = FastAPI(title='沃林学⽣管理系统',openapi_tags=tags_metadata)
+app = FastAPI(title='沃林学生管理系统',openapi_tags=tags_metadata)
 
 app.include_router(StudentAPI)