diff --git a/推荐系统/main.py b/推荐系统/main.py
index ab5da7f..00761d7 100644
--- a/推荐系统/main.py
+++ b/推荐系统/main.py
@@ -14,6 +14,7 @@ from typing import Literal
 
 import numpy
 from pyLSHash import LSHash
+
 # 导入模块
 from pydantic import BaseModel, Field, model_validator