跨域bug修复2

backend/services/conduct_service.py

@@ -133,9 +133,7 @@ class ConductService:
         
         # 班主任/班长可查看全班
         if role in ["班主任", "班长"]:
-            user_class = await PermissionChecker.get_user_class_id(user_id)
             records = await ConductModel.get_all_records(
-                class_id=user_class,
                 limit=page_size,
                 offset=offset,
                 start_date=start_date,
@@ -147,16 +145,13 @@ class ConductService:
             count_sql = """
                 SELECT COUNT(*) as total FROM conduct_records cr
                 JOIN students s ON cr.student_id = s.student_id
-                WHERE s.class_id = %s AND cr.is_revoked = 0
+                WHERE cr.is_revoked = 0
             """
-            total_result = await execute_one(count_sql, (user_class,))
+            total_result = await execute_one(count_sql)
             total = total_result["total"] if total_result else 0
             
         elif student_id:
-            # 查看指定学生（需权限验证）
-            can_manage = await PermissionChecker.check_can_manage_student(user_id, student_id)
-            if not can_manage:
-                return {"error": "无权查看该学生记录"}
+            # 管理员可查看指定学生
             
             records = await ConductModel.get_student_records(
                 student_id=student_id,