improve:实时笔锋

Ink Canvas/MainWindow_cs/MW_Settings.cs

@@ -1,4 +1,4 @@
-using Ink_Canvas.Helpers;
+using Ink_Canvas.Helpers;
 using Ink_Canvas.Windows.SettingsViews.Helpers;
 using System;
 using System.Collections.Generic;
@@ -502,6 +502,7 @@ namespace Ink_Canvas
             else
                 ComboBoxPenStyle.SelectedIndex = uiIndex;
 
+            EnsureRealtimeStylusPipelineBinding();
             SaveSettingsToFile();
         }
 
@@ -706,6 +707,7 @@ namespace Ink_Canvas
             }
 
             Settings.Gesture.IsEnableMultiTouchMode = ToggleSwitchEnableMultiTouchMode.IsOn;
+            EnsureRealtimeStylusPipelineBinding();
 
             // 如果启用多指书写模式，强制禁用所有双指手势
             if (ToggleSwitchEnableMultiTouchMode.IsOn)