diff --git a/docutranslate/ir/document.py b/docutranslate/ir/document.py
index c96b67c..8239611 100644
--- a/docutranslate/ir/document.py
+++ b/docutranslate/ir/document.py
@@ -17,8 +17,8 @@ class Document:
         if not self._stem:
             return None
         if len(self._stem)>50:
-            return self._stem[:50]+self.suffix
-        return self._stem+self.suffix
+            return self._stem[:50]
+        return self._stem
 
     @property
     def name(self)->str|None:
diff --git a/更新日志.txt b/更新日志.txt
index 384b6c5..afbaf15 100644
--- a/更新日志.txt
+++ b/更新日志.txt
@@ -1,4 +1,5 @@
 更新日志
+----------------
 v1.4.18版 2025.11.3
 优化
 - 优化对文件名过长文件的处理