diff --git a/FileMerger.cs b/FileMerger.cs
index b1b3c4a..56309e1 100644
--- a/FileMerger.cs
+++ b/FileMerger.cs
@@ -249,8 +249,8 @@ namespace SlideCombine
                     var outputFileName = $"{result.BaseFileName}.txt";
                     var outputFilePath = Path.Combine(outputPath, outputFileName);
 
-                    // 使用UTF-8编码保存
-                    File.WriteAllText(outputFilePath, result.OutputContent, Encoding.UTF8);
+                    // 使用ANSI编码保存 (Encoding.Default)
+                    File.WriteAllText(outputFilePath, result.OutputContent, Encoding.Default);
                 }
             }
         }