diff --git a/SpineViewer/Dialogs/ExportDialog.cs b/SpineViewer/Dialogs/ExportDialog.cs
index 194520e..f8f6eef 100644
--- a/SpineViewer/Dialogs/ExportDialog.cs
+++ b/SpineViewer/Dialogs/ExportDialog.cs
@@ -1,4 +1,4 @@
-using SpineViewer.ExportHelper;
+using SpineViewer.Exporter;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
diff --git a/SpineViewer/ExportHelper/ExportArgs.cs b/SpineViewer/Exporter/ExportArgs.cs
similarity index 99%
rename from SpineViewer/ExportHelper/ExportArgs.cs
rename to SpineViewer/Exporter/ExportArgs.cs
index e024d73..604b712 100644
--- a/SpineViewer/ExportHelper/ExportArgs.cs
+++ b/SpineViewer/Exporter/ExportArgs.cs
@@ -7,7 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace SpineViewer.ExportHelper
+namespace SpineViewer.Exporter
 {
     /// <summary>
     /// 导出参数基类
diff --git a/SpineViewer/ExportHelper/ExportHelper.cs b/SpineViewer/Exporter/ExportHelper.cs
similarity index 80%
rename from SpineViewer/ExportHelper/ExportHelper.cs
rename to SpineViewer/Exporter/ExportHelper.cs
index c588a0f..a5d0265 100644
--- a/SpineViewer/ExportHelper/ExportHelper.cs
+++ b/SpineViewer/Exporter/ExportHelper.cs
@@ -6,7 +6,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace SpineViewer.ExportHelper
+namespace SpineViewer.Exporter
 {
     /// <summary>
     /// 为帧导出创建的辅助类
@@ -43,19 +43,19 @@ namespace SpineViewer.ExportHelper
         /// 获取某个包围盒下合适的视图
         /// </summary>
         public static SFML.Graphics.View GetView(this RectangleF bounds, Size resolution, Padding padding)
-            => GetView(bounds, (uint)resolution.Width, (uint)resolution.Height, (uint)padding.Left, (uint)padding.Right, (uint)padding.Top, (uint)padding.Bottom);
+            => bounds.GetView((uint)resolution.Width, (uint)resolution.Height, (uint)padding.Left, (uint)padding.Right, (uint)padding.Top, (uint)padding.Bottom);
 
         /// <summary>
         /// 获取某个包围盒下合适的视图
         /// </summary>
         public static SFML.Graphics.View GetView(this RectangleF bounds, uint width, uint height, Padding padding)
-            => GetView(bounds, width, height, (uint)padding.Left, (uint)padding.Right, (uint)padding.Top, (uint)padding.Bottom);
+            => bounds.GetView(width, height, (uint)padding.Left, (uint)padding.Right, (uint)padding.Top, (uint)padding.Bottom);
 
         /// <summary>
         /// 获取某个包围盒下合适的视图
         /// </summary>
         public static SFML.Graphics.View GetView(this RectangleF bounds, Size resolution, uint paddingL = 1, uint paddingR = 1, uint paddingT = 1, uint paddingB = 1)
-            => GetView(bounds, (uint)resolution.Width, (uint)resolution.Height, paddingL, paddingR, paddingT, paddingB);
+            => bounds.GetView((uint)resolution.Width, (uint)resolution.Height, paddingL, paddingR, paddingT, paddingB);
 
         /// <summary>
         /// 获取某个包围盒下合适的视图
@@ -68,13 +68,13 @@ namespace SpineViewer.ExportHelper
             float innerH = height - paddingT - paddingB;
 
             float scale = 1;
-            if ((sizeY / sizeX) < (innerH / innerW))
+            if (sizeY / sizeX < innerH / innerW)
                 scale = sizeX / innerW; // 相同的 X, 视窗 Y 更大
             else
                 scale = sizeY / innerH; // 相同的 Y, 视窗 X 更大
 
-            var x = bounds.X + bounds.Width / 2 + ((float)paddingL - (float)paddingR) * scale;
-            var y = bounds.Y + bounds.Height / 2 + ((float)paddingT - (float)paddingB) * scale;
+            var x = bounds.X + bounds.Width / 2 + (paddingL - (float)paddingR) * scale;
+            var y = bounds.Y + bounds.Height / 2 + (paddingT - (float)paddingB) * scale;
             var viewX = width * scale;
             var viewY = height * scale;
 
diff --git a/SpineViewer/ExportHelper/SFMLImageVideoFrame.cs b/SpineViewer/Exporter/SFMLImageVideoFrame.cs
similarity index 97%
rename from SpineViewer/ExportHelper/SFMLImageVideoFrame.cs
rename to SpineViewer/Exporter/SFMLImageVideoFrame.cs
index d71c3c8..44a5635 100644
--- a/SpineViewer/ExportHelper/SFMLImageVideoFrame.cs
+++ b/SpineViewer/Exporter/SFMLImageVideoFrame.cs
@@ -5,7 +5,7 @@ using System.Text;
 using System.Threading.Tasks;
 using FFMpegCore.Pipes;
 
-namespace SpineViewer.ExportHelper
+namespace SpineViewer.Exporter
 {
     /// <summary>
     /// SFML.Graphics.Image 帧对象包装类
diff --git a/SpineViewer/MainForm.cs b/SpineViewer/MainForm.cs
index b6f1268..c978c15 100644
--- a/SpineViewer/MainForm.cs
+++ b/SpineViewer/MainForm.cs
@@ -8,7 +8,7 @@ using System.Diagnostics;
 using System.Text.Json;
 using System.Text.Json.Nodes;
 using FFMpegCore.Enums;
-using SpineViewer.ExportHelper;
+using SpineViewer.Exporter;
 
 namespace SpineViewer
 {
@@ -296,6 +296,7 @@ namespace SpineViewer
             spinePreviewer.StartRender();
         }
 
+        // TODO: 转移到 Exporter 里面
         private void ExportFrame_Work(object? sender, DoWorkEventArgs e)
         {
             var worker = (BackgroundWorker)sender;
diff --git a/SpineViewer/Spine/Spine.cs b/SpineViewer/Spine/Spine.cs
index fd881f5..41834d3 100644
--- a/SpineViewer/Spine/Spine.cs
+++ b/SpineViewer/Spine/Spine.cs
@@ -14,7 +14,7 @@ using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Text.Json.Nodes;
 using System.Collections.Immutable;
-using SpineViewer.ExportHelper;
+using SpineViewer.Exporter;
 
 namespace SpineViewer.Spine
 {