diff --git a/ToolKits/Actions/pr_auto_rename.py b/ToolKits/Actions/pr_auto_rename.py
index 63269f7..d1ff0a9 100644
--- a/ToolKits/Actions/pr_auto_rename.py
+++ b/ToolKits/Actions/pr_auto_rename.py
@@ -17,6 +17,7 @@
 
 connection_signs = ["_", "-"]
 
+
 def convert_cn_to_en(title: str):
     for i in range(len(left_brackets_cn)):
         title = title.replace(left_brackets_cn[i], left_brackets_en_replace_to[i]).replace(
@@ -58,4 +59,5 @@ def check_and_format(title: str):
 
     return title
 
+
 print(check_and_format(sys.argv[1]))