diff --git a/SpineViewer/Exporter/Implementations/Exporter/FrameSequenceExporter.cs b/SpineViewer/Exporter/Implementations/Exporter/FrameSequenceExporter.cs
index 06af4fe..1afe7e8 100644
--- a/SpineViewer/Exporter/Implementations/Exporter/FrameSequenceExporter.cs
+++ b/SpineViewer/Exporter/Implementations/Exporter/FrameSequenceExporter.cs
@@ -20,13 +20,14 @@ namespace SpineViewer.Exporter.Implementations.Exporter
         protected override void ExportSingle(Spine.Spine[] spinesToRender, BackgroundWorker? worker = null)
         {
             var args = (FrameSequenceExportArgs)ExportArgs;
+
+            // 导出单个时必定提供输出文件夹, 
+            var saveDir = Path.Combine(args.OutputDir, $"frames_{timestamp}_{args.FPS:f0}");
+            Directory.CreateDirectory(saveDir);
+
             int frameIdx = 0;
             foreach (var frame in GetFrames(spinesToRender, worker))
             {
-                // 导出单个时必定提供输出文件夹, 
-                var saveDir = Path.Combine(args.OutputDir, $"frames_{timestamp}_{args.FPS:f0}");
-                Directory.CreateDirectory(saveDir);
-
                 var filename = $"frames_{timestamp}_{args.FPS:f0}_{frameIdx:d6}{args.FileSuffix}";
                 var savePath = Path.Combine(saveDir, filename);