diff --git a/Plain Craft Launcher 2/Modules/ModSecret.vb b/Plain Craft Launcher 2/Modules/ModSecret.vb
index 10579f2..3c74d22 100644
--- a/Plain Craft Launcher 2/Modules/ModSecret.vb	
+++ b/Plain Craft Launcher 2/Modules/ModSecret.vb	
@@ -214,11 +214,17 @@ Friend Module ModSecret
             If Not FrmMain.IsLoaded Then Return
             '顶部条背景
             Dim Brush = New LinearGradientBrush With {.EndPoint = New Point(1, 0), .StartPoint = New Point(0, 0)}
-            Brush.GradientStops.Add(New GradientStop With {.Offset = 0, .Color = New MyColor().FromHSL2(ColorHue - 21, ColorSat, 53 + ColorLightAdjust)})
-            Brush.GradientStops.Add(New GradientStop With {.Offset = 0.33, .Color = New MyColor().FromHSL2(ColorHue - 7, ColorSat, 47 + ColorLightAdjust)})
-            Brush.GradientStops.Add(New GradientStop With {.Offset = 0.67, .Color = New MyColor().FromHSL2(ColorHue + 7, ColorSat, 47 + ColorLightAdjust)})
-            Brush.GradientStops.Add(New GradientStop With {.Offset = 1, .Color = New MyColor().FromHSL2(ColorHue + 21, ColorSat, 53 + ColorLightAdjust)})
+            If TypeOf ColorHueTopbarDelta Is Integer Then
+                Brush.GradientStops.Add(New GradientStop With {.Offset = 0, .Color = New MyColor().FromHSL2(ColorHue - ColorHueTopbarDelta, ColorSat, 48 + ColorLightAdjust)})
+                Brush.GradientStops.Add(New GradientStop With {.Offset = 0.5, .Color = New MyColor().FromHSL2(ColorHue, ColorSat, 54 + ColorLightAdjust)})
+                Brush.GradientStops.Add(New GradientStop With {.Offset = 1, .Color = New MyColor().FromHSL2(ColorHue + ColorHueTopbarDelta, ColorSat, 48 + ColorLightAdjust)})
+            Else
+                Brush.GradientStops.Add(New GradientStop With {.Offset = 0, .Color = New MyColor().FromHSL2(ColorHue + ColorHueTopbarDelta(0), ColorSat, 48 + ColorLightAdjust)})
+                Brush.GradientStops.Add(New GradientStop With {.Offset = 0.5, .Color = New MyColor().FromHSL2(ColorHue + ColorHueTopbarDelta(1), ColorSat, 54 + ColorLightAdjust)})
+                Brush.GradientStops.Add(New GradientStop With {.Offset = 1, .Color = New MyColor().FromHSL2(ColorHue + ColorHueTopbarDelta(2), ColorSat, 48 + ColorLightAdjust)})
+            End If
             FrmMain.PanTitle.Background = Brush
+            FrmMain.PanTitle.Background.Freeze()
             '主页面背景
             If Setup.Get("UiBackgroundColorful") Then
                 Brush = New LinearGradientBrush With {.EndPoint = New Point(0.1, 1), .StartPoint = New Point(0.9, 0)}