更新v1.4版本，修复了一些已知问题

backend/services/attendance_service.py

@@ -89,14 +89,17 @@ class AttendanceService:
                 points_change = -settings.DEDUCTION_ATTENDANCE_LATE
             else:
                 points_change = -settings.DEDUCTION_ATTENDANCE_LEAVE
-            # 创建扣分记录
+            
+            # 扣分为0时跳过（如请假不扣分）
+            if points_change == 0:
+                logger.info(f"用户[{recorder_id}] 添加考勤记录[{attendance_id}] -> {status} (不扣分)")
+                return {"success": True, "message": "考勤记录添加成功（不扣分）"}
             student = await StudentModel.get_by_id(student_id)
             if student:
                 # 获取操作人姓名
                 user = await UserModel.get_by_user_id(recorder_id)
                 recorder_name = user.get("real_name", "班主任") if user else "班主任"
                 # 使用中文状态
-                # 使用中文状态
                 status_text = ATTENDANCE_STATUS_MAP.get(status, status)
                 await ConductModel.create_record(
                     student_id=student_id,