diff --git a/stu_jiuye/CURD_api.py b/stu_jiuye/CURD_api.py
index 3d90172..734b648 100644
--- a/stu_jiuye/CURD_api.py
+++ b/stu_jiuye/CURD_api.py
@@ -93,7 +93,7 @@ def delete_stuinfo(                                         #删除模块
                    ):                                       #根据id选择对象
     rows = delete_emp_dao(id, db)                           #调用删除函数
     if not rows:
-        raise HTTPException(status_code=500, detail='没有删除！')        #失败返回错误信息
+        raise HTTPException(status_code=404, detail='未找到该就业记录！')        #失败返回错误信息
     return {'code': 200, 'totals': rows, 'detail': '删除成功'}          #成功返回信息
 
 '''
diff --git a/stu_jiuye/dao.py b/stu_jiuye/dao.py
index 96ac30e..fa60fa6 100644
--- a/stu_jiuye/dao.py
+++ b/stu_jiuye/dao.py
@@ -85,19 +85,19 @@ def get_emp_dao(                                                 #获取学生
                    # ,page
                    # ,page_size
                    ):                                           #根据选择条件获取信息
-    q = db.query(Employments,Company.employment_company,Address.somewhere) \
-        .outerjoin(Students, Students.id == Employments.stuid) \
-        .outerjoin(ClassInfo, ClassInfo.id == Employments.class_id)\
-        .outerjoin(Company,Employments.company_id==Company.id)\
-        .outerjoin(Address,Employments.address_id==Address.id)\
-        .filter(Employments.is_deleted == 0)                    #连接公司表和地址表，筛选未被删除信息
+    q = (db.query(Employments,Company.employment_company,Address.somewhere)
+        .outerjoin(Students, Students.id == Employments.stuid)
+        .outerjoin(ClassInfo, ClassInfo.id == Employments.class_id)
+        .outerjoin(Company,Employments.company_id==Company.id)
+        .outerjoin(Address,Employments.address_id==Address.id)
+        .filter(Employments.is_deleted == 0))                    #连接公司表和地址表，筛选未被删除信息
     # if stuid:
     #     q = q.filter( Employments.id == stuid )
 
     if sname:                                                 #根据学生姓名筛选
         q = q.filter( Students.name == sname )
     if class_id:
-        q = q.filter(ClassInfo.id == class_id)
+        q = q.filter(Employments.class_id == class_id)
     if somewhere:
         q = q.filter(Address.somewhere.like(f'%{somewhere}%'))
     if employment_company:                                                #根据公司姓名筛选
@@ -119,7 +119,7 @@ def get_emp_dao(                                                 #获取学生
     if r:
         return [ {"id": i.id,
                   '学生姓名':sname,
-                  '学生班级编号':class_id,
+                  '学生班级编号':i.class_id,
                  "公司": employment_company or '未就业',
                   "公司区域":somewhere or '-',
                   "薪资":i.employment_salary or '-',
@@ -128,8 +128,8 @@ def get_emp_dao(                                                 #获取学生
                 # , "创建时间": i.create_time,
                 # "更新时间": i.update_time,
                 #  "是否删除":i.is_deleted
-                 } for i,sname,class_id,employment_company,somewhere in r ]        #返回信息列表
-
+                 } for i,sname,employment_company,somewhere in r ]        #返回信息列表
+    return {"code": 200, "totals": len(r), "data": r}
 
 def delete_emp_dao(id,db):                  #删除函数
     try: