diff --git a/Ink Canvas/MainWindow.xaml b/Ink Canvas/MainWindow.xaml
index cb1a1b0b..326b990f 100644
--- a/Ink Canvas/MainWindow.xaml	
+++ b/Ink Canvas/MainWindow.xaml	
@@ -854,8 +854,8 @@
                                     </Viewbox>
                                 </Border>
                             </ui:SimpleStackPanel>
-                            <Grid Width="20" Height="24" Margin="0,1.5,-2,0" MouseDown="Border_MouseDown" MouseUp="ImageEraser_MouseUp" Visibility="{Binding ElementName=BtnErase, Path=Visibility}">
-                                <Image Margin="-1,-4,-1,-2" Source="{DynamicResource ImageSource.RubberNormal}" RenderTransformOrigin="0.5,0.5"/>
+                            <Grid Width="21" Height="24" Margin="0,1.5,-2,0" MouseDown="Border_MouseDown" MouseUp="ImageEraser_MouseUp" Visibility="{Binding ElementName=BtnErase, Path=Visibility}">
+                                <Image Margin="0,-4,-1,-2" Source="{DynamicResource ImageSource.RubberNormal}" RenderTransformOrigin="0.5,0.5"/>
                             </Grid>
                             <Grid Margin="0,0,0,0" Width="20">
                                 <ui:SymbolIcon Symbol="Delete" Foreground="#666666" MouseDown="Border_MouseDown" MouseUp="SymbolIconDelete_MouseUp"/>
diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index a0aa7de4..ead43a37 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -301,6 +301,11 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
                         if (response.Contains("Special Version") && !File.Exists(System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "Versions.ini"))
                         {
                             LogHelper.WriteLogToFile("Welcome Window Show Dialog", LogHelper.LogType.Event);
+
+                            if (response.Contains("Special Version Alhua"))
+                            {
+                                WelcomeWindow.IsNewBuilding = true;
+                            }
                             new WelcomeWindow().ShowDialog();
                         }
                         else
@@ -310,6 +315,16 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
                                 lastVersion = File.ReadAllText(System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "Versions.ini");
                             }
                             catch { }
+                            if (response.Contains("Special Version") && !lastVersion.Contains("3.2.5.0"))
+                            {
+                                LogHelper.WriteLogToFile("Welcome Window Show Dialog (Second time)", LogHelper.LogType.Event);
+
+                                if (response.Contains("Special Version Alhua"))
+                                {
+                                    WelcomeWindow.IsNewBuilding = true;
+                                }
+                                new WelcomeWindow().ShowDialog();
+                            }
                             if (!lastVersion.Contains(version.ToString()))
                             {
                                 LogHelper.WriteLogToFile("Change Log Window Show Dialog", LogHelper.LogType.Event);
@@ -1036,7 +1051,7 @@ private void ToggleSwitchModeFinger_Toggled(object sender, RoutedEventArgs e)
             ToggleSwitchAutoEnterModeFinger.IsOn = ToggleSwitchModeFinger.IsOn;
             if (ToggleSwitchModeFinger.IsOn)
             {
-                BoundsWidth = 10; //35
+                BoundsWidth = 15; //35
             }
             else
             {
diff --git a/Ink Canvas/Properties/AssemblyInfo.cs b/Ink Canvas/Properties/AssemblyInfo.cs
index 220572a8..ad592545 100644
--- a/Ink Canvas/Properties/AssemblyInfo.cs	
+++ b/Ink Canvas/Properties/AssemblyInfo.cs	
@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.2.4.0")]
-[assembly: AssemblyFileVersion("3.2.4.0")]
+[assembly: AssemblyVersion("3.2.5.0")]
+[assembly: AssemblyFileVersion("3.2.5.0")]
diff --git a/Ink Canvas/WelcomeWindow.xaml b/Ink Canvas/WelcomeWindow.xaml
index 10e21f82..6b1349c0 100644
--- a/Ink Canvas/WelcomeWindow.xaml	
+++ b/Ink Canvas/WelcomeWindow.xaml	
@@ -6,7 +6,7 @@
         xmlns:local="clr-namespace:Ink_Canvas" xmlns:ui="http://schemas.modernwpf.com/2019"
         mc:Ignorable="d" Topmost="True" ResizeMode="NoResize" ui:WindowHelper.UseModernWindowStyle="True"
         WindowStartupLocation="CenterScreen" FontFamily="Microsoft YaHei UI" Closing="Window_Closing"
-        Title="欢迎向导 - Ink Canvas 画板" Height="250" Width="400">
+        Title="欢迎向导 - Ink Canvas 画板" Height="280" Width="400" Loaded="Window_Loaded">
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="40"/>
@@ -20,6 +20,7 @@
             <CheckBox Name="CheckBoxRunAtStartup" FontFamily="Microsoft YaHei UI" Content="开机时运行" IsChecked="True"/>
             <CheckBox Name="CheckBoxAutoKillPptService" FontFamily="Microsoft YaHei UI" Content="自动查杀“PPT 小工具”" IsChecked="True"/>
             <CheckBox Name="CheckBoxAutoKillEasiNote" FontFamily="Microsoft YaHei UI" Content="自动查杀“希沃白板 5”"/>
+            <CheckBox Name="CheckBoxNewBuildingOptimization" FontFamily="Microsoft YaHei UI" Content="新综合楼优化"/>
         </ui:SimpleStackPanel>
         <Button Grid.Row="2" Margin="0,0,10,10" FontFamily="Microsoft YaHei UI"
                 HorizontalAlignment="Right" Content="确定" Width="100" Click="Button_Click"/>
diff --git a/Ink Canvas/WelcomeWindow.xaml.cs b/Ink Canvas/WelcomeWindow.xaml.cs
index 10c20be4..a62bc7d7 100644
--- a/Ink Canvas/WelcomeWindow.xaml.cs	
+++ b/Ink Canvas/WelcomeWindow.xaml.cs	
@@ -27,6 +27,8 @@ public WelcomeWindow()
             InitializeComponent();
         }
 
+        public static bool IsNewBuilding = false;
+
         private void Button_Click(object sender, RoutedEventArgs e)
         {
             Close();
@@ -55,13 +57,36 @@ private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs
                 MainWindow.Settings.Automation.IsAutoKillEasiNote = true;
             }
 
+            if (CheckBoxNewBuildingOptimization.IsChecked == true)
+            {
+                MainWindow.Settings.Appearance.IsShowEraserButton = true;
+                MainWindow.Settings.Startup.IsAutoEnterModeFinger = true;
+            }
+
             MainWindow.SaveSettingsToFile();
 
-            File.WriteAllText("versions.ini", Assembly.GetExecutingAssembly().GetName().Version.ToString());
+            string str = string.Empty;
+
+            try
+            {
+                str = File.ReadAllText(System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "Versions.ini");
+            }
+            catch { }
+
+            str = (str + "\n" + Assembly.GetExecutingAssembly().GetName().Version.ToString()).Trim();
+            File.WriteAllText("versions.ini", str);
             Process.Start(System.Windows.Forms.Application.ExecutablePath);
 
             MainWindow.CloseIsFromButton = true;
             Application.Current.Shutdown();
         }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            if (IsNewBuilding)
+            {
+                CheckBoxNewBuildingOptimization.IsChecked = true;
+            }
+        }
     }
 }