diff --git a/Spine/Exporters/FFmpegVideoExporter.cs b/Spine/Exporters/FFmpegVideoExporter.cs
index 5bc2346..744b899 100644
--- a/Spine/Exporters/FFmpegVideoExporter.cs
+++ b/Spine/Exporters/FFmpegVideoExporter.cs
@@ -62,7 +62,7 @@ namespace Spine.Exporters
         /// </summary>
         protected override SFMLImageVideoFrame GetFrame(SpineObject[] spines)
         {
-            // XXX: 不知道为什么用 FFmpeg 必须临时创建 RenderTexture, 否则无法正常渲染
+            // BUG: 不知道为什么用 FFmpeg 必须临时创建 RenderTexture, 否则无法正常渲染
             using var tex = new RenderTexture(_renderTexture.Size.X, _renderTexture.Size.Y);
             using var view = _renderTexture.GetView();
             tex.SetView(view);
diff --git a/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
index c078c48..66fb38b 100644
--- a/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
@@ -142,7 +142,6 @@ namespace SpineViewer.ViewModels.Exporters
         {
             if (!Export_CanExecute(args)) return;
             Export(args.Cast<SpineObjectModel>().ToArray());
-            // XXX: 导出途中应该停掉渲染好一些, 让性能专注在导出上
         }
 
         private bool Export_CanExecute(IList? args)
diff --git a/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
index 2b5caa9..c31f8c2 100644
--- a/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
@@ -83,6 +83,8 @@ namespace SpineViewer.ViewModels.Exporters
                 exporter.Rotation = view.Rotation;
             }
 
+            _vmMain.SFMLRendererViewModel.StopRender();
+
             if (_exportSingle)
             {
                 var filename = $"ffmpeg_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}{FormatSuffix}";
@@ -168,6 +170,8 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
             }
+
+            _vmMain.SFMLRendererViewModel.StartRender();
         }
     }
 }
diff --git a/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
index d206531..779c134 100644
--- a/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
@@ -68,6 +68,10 @@ namespace SpineViewer.ViewModels.Exporters
                 exporter.Rotation = view.Rotation;
             }
 
+            // BUG: FFmpeg 导出时对 RenderTexture 的频繁资源申请释放似乎使 SFML 库内部出现问题, 会卡死所有使用 SFML 的地方, 包括渲染线程
+            // 所以临时把渲染线程停掉, 只让此处使用 SFML 资源, 这个问题或许和多个线程同时使用渲染资源有关
+            _vmMain.SFMLRendererViewModel.StopRender();
+
             if (_exportSingle)
             {
                 var filename = $"video_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}{FormatSuffix}";
@@ -153,6 +157,8 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
             }
+
+            _vmMain.SFMLRendererViewModel.StartRender();
         }
     }
 }
diff --git a/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
index add965f..fab8999 100644
--- a/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
@@ -47,6 +47,8 @@ namespace SpineViewer.ViewModels.Exporters
                 exporter.Rotation = view.Rotation;
             }
 
+            _vmMain.SFMLRendererViewModel.StopRender();
+
             if (_exportSingle)
             {
                 var folderName = $"frames_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}";
@@ -132,6 +134,8 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
             }
+
+            _vmMain.SFMLRendererViewModel.StartRender();
         }
     }
 }