improve:UI

Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml

@@ -256,6 +256,11 @@
                     <ui:NavigationViewItem.Icon>
                         <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Sync}"/>
                     </ui:NavigationViewItem.Icon>
+                    <ui:NavigationViewItem.InfoBadge>
+                        <ui:InfoBadge Style="{DynamicResource AttentionDotInfoBadgeStyle}"
+                                      MinWidth="8" MinHeight="8"
+                                      Visibility="Collapsed"/>
+                    </ui:NavigationViewItem.InfoBadge>
                 </ui:NavigationViewItem>
 
                 <!-- 实验性选项 -->

Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml.cs

@@ -27,6 +27,7 @@ namespace Ink_Canvas.Windows.SettingsViews
         private bool _wasMaximized = false;
 
         private bool _isNavigating = false;
+        private bool _updateBadgeDismissed = false;
 
         public SettingsWindow()
         {
@@ -76,6 +77,7 @@ namespace Ink_Canvas.Windows.SettingsViews
                 SetMaxSizeAndCenter();
                 RegisterDpiChangedListener();
                 LoadPluginSettingsPages();
+                UpdateUpdateBadgeVisibility();
             };
 
             this.Closed += (sender, e) =>
@@ -290,6 +292,12 @@ namespace Ink_Canvas.Windows.SettingsViews
                         pluginSettingsPage.CurrentPlugin = pluginInfo;
                     }
                     NavigationViewControl.Header = selectedItem.Content;
+
+                    if (tag == "UpdatePage")
+                    {
+                        _updateBadgeDismissed = true;
+                        UpdateUpdateBadgeVisibility();
+                    }
                 }
             }
         }
@@ -541,5 +549,21 @@ namespace Ink_Canvas.Windows.SettingsViews
         {
             return NavigationViewControl;
         }
+
+        public void UpdateUpdateBadgeVisibility()
+        {
+            try
+            {
+                var mainWindow = Application.Current.Windows.OfType<MainWindow>().FirstOrDefault();
+                bool hasUpdate = mainWindow != null && !string.IsNullOrEmpty(mainWindow.AvailableLatestVersion);
+                var item = FindNavigationViewItemByTag("UpdatePage");
+                var badge = item?.InfoBadge;
+                if (badge != null)
+                {
+                    badge.Visibility = (hasUpdate && !_updateBadgeDismissed) ? Visibility.Visible : Visibility.Collapsed;
+                }
+            }
+            catch { }
+        }
     }
 }