diff --git a/ViewModels/ExtractWindowViewModel.cs b/ViewModels/ExtractWindowViewModel.cs
index 425c4d1..c2cb41c 100644
--- a/ViewModels/ExtractWindowViewModel.cs
+++ b/ViewModels/ExtractWindowViewModel.cs
@@ -126,9 +126,9 @@ namespace VideoConcat.ViewModels
                                             string extension = Path.GetExtension(currentVideo);
                                             
                                             // 生成唯一的文件名：原始名称+方案号+生成日期+序号
-                                            string modeSuffix = ExtractWindowModel.ExtractFrameMode == Models.ExtractFrameMode.DeleteFrame ? "方案1" : "方案2";
-                                            string dateStr = DateTime.Now.ToString("yyyyMMdd");
-                                            string _tmpFileName = $"{originalFileName}_{modeSuffix}_{dateStr}_{currentIndex:D4}{extension}";
+                                            string modeSuffix = ExtractWindowModel.ExtractFrameMode == Models.ExtractFrameMode.DeleteFrame ? "1" : "2";
+                                            string dateStr = DateTime.Now.ToString("MMdd");
+                                            string _tmpFileName = $"{originalFileName}_{dateStr}{modeSuffix}{currentIndex:D4}{extension}";
 
                                             string outPath = Path.Combine(_tmpPath, "out");
                                             LogUtils.Info($"准备创建输出目录：{outPath}");