diff --git a/lightrag/utils.py b/lightrag/utils.py
index 400cd851..c486f602 100644
--- a/lightrag/utils.py
+++ b/lightrag/utils.py
@@ -1449,8 +1449,12 @@ def normalize_extracted_info(name: str, is_entity=False) -> str:
     name = re.sub(r"(?<=[\u4e00-\u9fa5])\s+(?=[\u4e00-\u9fa5])", "", name)
 
     # Remove spaces between Chinese and English/numbers/symbols
-    name = re.sub(r"(?<=[\u4e00-\u9fa5])\s+(?=[a-zA-Z0-9\(\)\[\]@#$%!&\*\-=+_])", "", name)
-    name = re.sub(r"(?<=[a-zA-Z0-9\(\)\[\]@#$%!&\*\-=+_])\s+(?=[\u4e00-\u9fa5])", "", name)
+    name = re.sub(
+        r"(?<=[\u4e00-\u9fa5])\s+(?=[a-zA-Z0-9\(\)\[\]@#$%!&\*\-=+_])", "", name
+    )
+    name = re.sub(
+        r"(?<=[a-zA-Z0-9\(\)\[\]@#$%!&\*\-=+_])\s+(?=[\u4e00-\u9fa5])", "", name
+    )
 
     # Remove English quotation marks from the beginning and end
     if len(name) >= 2 and name.startswith('"') and name.endswith('"'):