diff --git a/app/test/test_bug533_Yuyikai.py b/app/test/test_bug533_Yuyikai.py
index afde736..1124526 100644
--- a/app/test/test_bug533_Yuyikai.py
+++ b/app/test/test_bug533_Yuyikai.py
@@ -6,9 +6,7 @@ def test_coverage_percentage():
         text_list = load_text_list_from_db("db\wordfreqapp.db")
         word_set = load_word_list("db\The_Oxford.csv")
         coverage_percentage = calculate_coverage(text_list, word_set)
-
         assert 0 <= coverage_percentage <= 100, "Coverage percentage is not within the range [0, 100]"
-
         print("coverage_percentage:", coverage_percentage)
     except Exception as e:
         print(e)