diff --git a/citation_crawler/items.py b/citation_crawler/items.py
index 76da97f..8d64aca 100644
--- a/citation_crawler/items.py
+++ b/citation_crawler/items.py
@@ -2,6 +2,7 @@
 import re
 from typing import Optional, Iterable, Tuple
 from typing_extensions import Self
+from dblp_crawler.parser import title_hash
 
 
 class Author(metaclass=abc.ABCMeta):
@@ -44,7 +45,7 @@ def title(self) -> str:
         return None
 
     def title_hash(self) -> str:
-        return re.sub(r"[^0-9a-z\u4e00-\u9fa5]", "", self.title().lower())
+        return title_hash(self.title())
 
     @abc.abstractmethod
     def year(self) -> Optional[int]:
diff --git a/setup.py b/setup.py
index ee720ac..c277af1 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 
 setup(
     name='citation_crawler',
-    version='2.10.2',
+    version='2.10.3',
     author='yindaheng98',
     author_email='yindaheng98@gmail.com',
     url='https://github.com/yindaheng98/citation-crawler',
@@ -30,7 +30,7 @@
         "Operating System :: OS Independent",
     ],
     install_requires=[
-        'dblp-crawler>=2.1.4',
+        'dblp-crawler>=2.1.6',
         'python-dateutil>=2.8.2',
         'neo4j>=5.15.0',
         'typing-extensions'