diff --git a/Ink Canvas/Windows/SettingsViews/SettingsViews/SettingsPanelBase.cs b/Ink Canvas/Windows/SettingsViews/SettingsViews/SettingsPanelBase.cs
index f657b15e..793e1608 100644
--- a/Ink Canvas/Windows/SettingsViews/SettingsViews/SettingsPanelBase.cs	
+++ b/Ink Canvas/Windows/SettingsViews/SettingsViews/SettingsPanelBase.cs	
@@ -268,9 +268,6 @@ namespace Ink_Canvas.Windows.SettingsViews
             }
         }
 
-        /// <summary>
-        /// 处理选项变化 - 子类需要实现
-        /// </summary>
         protected abstract void HandleOptionChange(string group, string value);
     }
 }
diff --git a/Ink Canvas/Windows/SettingsViews/SettingsViews/UpdateCenterPanel.xaml.cs b/Ink Canvas/Windows/SettingsViews/SettingsViews/UpdateCenterPanel.xaml.cs
index d9bf3a74..d21f949d 100644
--- a/Ink Canvas/Windows/SettingsViews/SettingsViews/UpdateCenterPanel.xaml.cs	
+++ b/Ink Canvas/Windows/SettingsViews/SettingsViews/UpdateCenterPanel.xaml.cs	
@@ -362,12 +362,12 @@ namespace Ink_Canvas.Windows.SettingsViews
                     
                     HistoryLogViewer.Markdown = markdown.ToString();
 
-                    foreach (var (version, downloadUrl, releaseNotes) in _historyVersions)
+                    foreach (var versionInfo in _historyVersions)
                     {
                         var item = new ComboBoxItem
                         {
-                            Content = version,
-                            Tag = (version, downloadUrl, releaseNotes)
+                            Content = versionInfo.version,
+                            Tag = versionInfo
                         };
                         RollbackVersionComboBox.Items.Add(item);
                     }
@@ -386,8 +386,12 @@ namespace Ink_Canvas.Windows.SettingsViews
 
         private void RollbackVersionComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            if (RollbackVersionComboBox.SelectedItem is ComboBoxItem selectedItem && selectedItem.Tag is (string version, string downloadUrl, string releaseNotes))
+            if (RollbackVersionComboBox.SelectedItem is ComboBoxItem selectedItem && selectedItem.Tag is ValueTuple<string, string, string> versionInfo)
             {
+                var version = versionInfo.Item1;
+                var downloadUrl = versionInfo.Item2;
+                var releaseNotes = versionInfo.Item3;
+                
                 if (!string.IsNullOrEmpty(releaseNotes))
                 {
                     HistoryLogViewer.Markdown = $"# {version}\n\n{releaseNotes}";
diff --git a/Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml b/Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml
index 60f8cb07..a86fc929 100644
--- a/Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml	
+++ b/Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml	
@@ -198,8 +198,8 @@
         </DrawingImage>
         <DrawingImage x:Key="UpdateCenterIcon">
             <DrawingImage.Drawing>
-                <DrawingGroup>
-                    <GeometryDrawing Brush="#FF222222" Geometry="F1 M16,16z M0,0z M8,0C3.58172,0 0,3.58172 0,8 0,12.4183 3.58172,16 8,16 12.4183,16 16,12.4183 16,8 16,3.58172 12.4183,0 8,0z M8,14C4.68629,14 2,11.3137 2,8 2,4.68629 4.68629,2 8,2 11.3137,2 14,4.68629 14,8 14,11.3137 11.3137,14 8,14z M8,4C5.79086,4 4,5.79086 4,8 4,10.2091 5.79086,12 8,12 10.2091,12 12,10.2091 12,8 12,5.79086 10.2091,4 8,4z M8,10C6.89543,10 6,9.10457 6,8 6,6.89543 6.89543,6 8,6 9.10457,6 10,6.89543 10,8 10,9.10457 9.10457,10 8,10z"/>
+                <DrawingGroup ClipGeometry="M0,0 V16 H16 V0 H0 Z">
+                    <GeometryDrawing Brush="#FF222222" Geometry="F1 M16,16z M0,0z M2,8C2,11.3087 4.69134,14 8,14C11.3087,14 14,11.3087 14,8C14,4.69133 11.3087,2 8,2C4.69134,2 2,4.69133 2,8ZM16,8C16,12.4233 12.4233,16 8,16C3.57668,16 0,12.4233 0,8C0,3.57668 3.57668,0 8,0C12.4233,0 16,3.57668 16,8Z"/>
                 </DrawingGroup>
             </DrawingImage.Drawing>
         </DrawingImage>