diff --git a/Ink Canvas/MainWindow.xaml b/Ink Canvas/MainWindow.xaml
index 2853a931..17ed7835 100644
--- a/Ink Canvas/MainWindow.xaml	
+++ b/Ink Canvas/MainWindow.xaml	
@@ -946,7 +946,7 @@
                                         <TextBlock Foreground="#fafafa" Text="长度阈值" VerticalAlignment="Center"
                                                    FontSize="14" Margin="0,0,16,0" />
                                         <Slider Name="AutoStraightenLineThresholdSlider" Width="150" Minimum="30" Maximum="300" 
-                                                Value="30" TickFrequency="30" IsSnapToTickEnabled="True"
+                                                Value="80" TickFrequency="30" IsSnapToTickEnabled="True"
                                                 ValueChanged="AutoStraightenLineThresholdSlider_ValueChanged" />
                                         <TextBlock Foreground="#fafafa" Text="{Binding ElementName=AutoStraightenLineThresholdSlider, Path=Value, StringFormat={}{0:0}}" 
                                                    VerticalAlignment="Center" FontSize="14" Margin="16,0,0,0" />
diff --git a/Ink Canvas/MainWindow_cs/MW_Settings.cs b/Ink Canvas/MainWindow_cs/MW_Settings.cs
index 5c5c9257..51b8619a 100644
--- a/Ink Canvas/MainWindow_cs/MW_Settings.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_Settings.cs	
@@ -1615,7 +1615,7 @@ namespace Ink_Canvas {
             Settings.Canvas.EnablePressureTouchMode = false;
             Settings.Canvas.DisablePressure = false;
             Settings.Canvas.AutoStraightenLine = true;
-            Settings.Canvas.AutoStraightenLineThreshold = 30;
+            Settings.Canvas.AutoStraightenLineThreshold = 80;
             Settings.Canvas.LineEndpointSnapping = true;
             Settings.Canvas.LineEndpointSnappingThreshold = 15;
             Settings.Canvas.UsingWhiteboard = false;
diff --git a/Ink Canvas/Resources/Settings.cs b/Ink Canvas/Resources/Settings.cs
index c527436e..9541d819 100644
--- a/Ink Canvas/Resources/Settings.cs	
+++ b/Ink Canvas/Resources/Settings.cs	
@@ -59,7 +59,7 @@ namespace Ink_Canvas
         [JsonProperty("autoStraightenLine")]
         public bool AutoStraightenLine { get; set; } = true; // 是否启用直线自动拉直
         [JsonProperty("autoStraightenLineThreshold")]
-        public int AutoStraightenLineThreshold { get; set; } = 30; // 直线自动拉直的长度阈值（像素）
+        public int AutoStraightenLineThreshold { get; set; } = 80; // 直线自动拉直的长度阈值（像素）
         [JsonProperty("highPrecisionLineStraighten")]
         public bool HighPrecisionLineStraighten { get; set; } = true; // 是否启用高精度直线拉直
         [JsonProperty("lineEndpointSnapping")]
diff --git a/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache b/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache
index 4af914e2..007dd886 100644
Binary files a/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache and b/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache differ
diff --git a/Ink Canvas/obj/Debug/net472/InkCanvasForClass_MarkupCompile.cache b/Ink Canvas/obj/Debug/net472/InkCanvasForClass_MarkupCompile.cache
index 9faa8f50..3b245387 100644
--- a/Ink Canvas/obj/Debug/net472/InkCanvasForClass_MarkupCompile.cache	
+++ b/Ink Canvas/obj/Debug/net472/InkCanvasForClass_MarkupCompile.cache	
@@ -16,5 +16,5 @@ E:\ICC CE\ICC CE main\community\Ink Canvas\App.xaml
 471037513499
 Helpers\Plugins\BuiltIn\SuperLauncher\LauncherSettingsControl.xaml;Helpers\Plugins\BuiltIn\SuperLauncher\LauncherWindow.xaml;MainWindow.xaml;MainWindow_cs\MW_Eraser.xaml;Resources\DrawShapeImageDictionary.xaml;Resources\IconImageDictionary.xaml;Resources\SeewoImageDictionary.xaml;Resources\Styles\Dark.xaml;Resources\Styles\Light.xaml;Windows\AddCustomIconWindow.xaml;Windows\AddPickNameBackgroundWindow.xaml;Windows\CountdownTimerWindow.xaml;Windows\CustomIconWindow.xaml;Windows\CycleProcessBar.xaml;Windows\HasNewUpdateWindow.xaml;Windows\HistoryRollbackWindow.xaml;Windows\ManagePickNameBackgroundsWindow.xaml;Windows\NamesInputWindow.xaml;Windows\OperatingGuideWindow.xaml;Windows\PluginSettingsWindow.xaml;Windows\RandWindow.xaml;Windows\YesOrNoNotificationWindow.xaml;
 
-False
+True