diff --git a/ConvertZZ/ConvertZZ.csproj b/ConvertZZ/ConvertZZ.csproj
index 4b2cccf..1b2b206 100644
--- a/ConvertZZ/ConvertZZ.csproj
+++ b/ConvertZZ/ConvertZZ.csproj
@@ -108,6 +108,9 @@
       <DependentUpon>Page_File.xaml</DependentUpon>
     </Compile>
     <Compile Include="Settings.cs" />
+    <Compile Include="Window_About.xaml.cs">
+      <DependentUpon>Window_About.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Window_DialogHost.xaml.cs">
       <DependentUpon>Window_DialogHost.xaml</DependentUpon>
     </Compile>
@@ -147,6 +150,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Window_About.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Window_DialogHost.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/ConvertZZ/MainWindow.xaml b/ConvertZZ/MainWindow.xaml
index ec1be88..3f2514c 100644
--- a/ConvertZZ/MainWindow.xaml
+++ b/ConvertZZ/MainWindow.xaml
@@ -49,6 +49,7 @@
             </MenuItem>
             <MenuItem Uid="1" Header="隱藏/顯示懸浮球" Click="MenuItem_Click"/>
             <MenuItem Header="Setting" Click="Setting_Click"/>
+            <MenuItem Header="About" Click="About_Click"/>
             <MenuItem Header="Exit" Click="Exit_Click"/>
         </ContextMenu>
     </Window.Resources>
diff --git a/ConvertZZ/MainWindow.xaml.cs b/ConvertZZ/MainWindow.xaml.cs
index afbb5ee..d4b1dc2 100644
--- a/ConvertZZ/MainWindow.xaml.cs
+++ b/ConvertZZ/MainWindow.xaml.cs
@@ -88,6 +88,11 @@ private void Window_MouseDown(object sender, MouseButtonEventArgs e)
                 this.DragMove();
             }
         }
+        private void About_Click(object sender, RoutedEventArgs e)
+        {
+            Window_About window_About = new Window_About();
+            window_About.ShowDialog();
+        }
         private void Setting_Click(object sender, RoutedEventArgs e)
         {
             UnRegAllHotkey();
@@ -101,8 +106,7 @@ private void Exit_Click(object sender, RoutedEventArgs e)
             App.nIcon.Visible = false;
             App.nIcon.Dispose();
             Environment.Exit(0);
-        }
-
+        }        
         private void Window_MouseUp(object sender, MouseButtonEventArgs e)
         {
             ContextMenu NotifyIconMenu = (ContextMenu)this.FindResource("NotifyIconMenu");
diff --git a/ConvertZZ/Window_About.xaml b/ConvertZZ/Window_About.xaml
new file mode 100644
index 0000000..25e207b
--- /dev/null
+++ b/ConvertZZ/Window_About.xaml
@@ -0,0 +1,26 @@
+<Window x:Class="ConvertZZ.Window_About"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d"
+        Title="About" MinHeight="200" MinWidth="350" ResizeMode="NoResize" Topmost="True" SizeToContent="WidthAndHeight">
+    <StackPanel>
+        <StackPanel Orientation="Horizontal" Margin="5">
+            <Grid Width="100" Height="150" MouseUp="Label_MouseUp">
+                <Grid.Background>
+                    <ImageBrush ImageSource="icon.ico" Stretch="Uniform"/>
+                </Grid.Background>
+            </Grid>
+            <Label Content="ConvertZZ" FontSize="40" FontFamily="Arial" VerticalAlignment="Center" MouseUp="Label_MouseUp"/>
+        </StackPanel>
+        <Grid Margin="5">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition/>
+                <ColumnDefinition/>
+            </Grid.ColumnDefinitions>
+            <Label Content="Make by flier268" HorizontalAlignment="Left"/>
+            <Label Content="GPL-3.0 Licence" Grid.Column="1" HorizontalAlignment="Right" Margin="0"/>
+        </Grid>
+    </StackPanel>
+</Window>
diff --git a/ConvertZZ/Window_About.xaml.cs b/ConvertZZ/Window_About.xaml.cs
new file mode 100644
index 0000000..fc02954
--- /dev/null
+++ b/ConvertZZ/Window_About.xaml.cs
@@ -0,0 +1,22 @@
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Input;
+
+namespace ConvertZZ
+{
+    /// <summary>
+    /// Window_About.xaml 的互動邏輯
+    /// </summary>
+    public partial class Window_About : Window
+    {
+        public Window_About()
+        {
+            InitializeComponent();
+        }
+
+        private void Label_MouseUp(object sender, MouseButtonEventArgs e)
+        {
+            Process.Start("https://github.com/flier268/ConvertZZ");
+        }
+    }
+}