diff --git a/function.py b/function.py
index 17b8301..1a166d3 100644
--- a/function.py
+++ b/function.py
@@ -125,7 +125,6 @@ def img_to_vector(filename):
     
     return vector
 
-
 if __name__ == "__main__":
     # 以下代码可用于测试，可自行随意修改
     train_data, train_labels = load_dataset("trainingDigits")