diff --git a/Ink Canvas/MainWindow_cs/MW_Settings.cs b/Ink Canvas/MainWindow_cs/MW_Settings.cs
index f05396db..623fd365 100644
--- a/Ink Canvas/MainWindow_cs/MW_Settings.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_Settings.cs	
@@ -65,17 +65,20 @@ namespace Ink_Canvas
                             privacyPath = Path.Combine(App.RootPath, "privacy");
                         }
 
-                        if (File.Exists(privacyPath))
+                        if (!File.Exists(privacyPath))
                         {
-                            string privacyText = File.ReadAllText(privacyPath, System.Text.Encoding.UTF8);
-                            var confirmResult = MessageBox.Show(
-                                privacyText + "\n\n是否同意以上隐私说明并启用匿名使用数据上传？",
-                                "隐私说明确认",
-                                MessageBoxButton.YesNo,
-                                MessageBoxImage.Information,
-                                MessageBoxResult.No);
+                            MessageBox.Show(
+                                "未找到隐私说明文件（privacy.txt 或 privacy）。\n\n将切换回正式通道。",
+                                "隐私文件缺失",
+                                MessageBoxButton.OK,
+                                MessageBoxImage.Warning);
+                        }
+                        else
+                        {
+                            var privacyWindow = new PrivacyAgreementWindow();
+                            bool? dialogResult = privacyWindow.ShowDialog();
 
-                            if (confirmResult == MessageBoxResult.Yes)
+                            if (dialogResult == true && privacyWindow.UserAccepted)
                             {
                                 Settings.Startup.HasAcceptedTelemetryPrivacy = true;
                                 Settings.Startup.TelemetryUploadLevel = TelemetryUploadLevel.Basic;
@@ -98,14 +101,6 @@ namespace Ink_Canvas
                                 return;
                             }
                         }
-                        else
-                        {
-                            MessageBox.Show(
-                                "未找到隐私说明文件（privacy.txt 或 privacy）。\n\n将切换回正式通道。",
-                                "隐私文件缺失",
-                                MessageBoxButton.OK,
-                                MessageBoxImage.Warning);
-                        }
                     }
                     catch (Exception ex)
                     {
@@ -334,28 +329,10 @@ namespace Ink_Canvas
 
             if (isChecked)
             {
-                // 读取 privacy 文本并展示给用户二次确认
-                string privacyText = null;
-                try
-                {
-                    string pathTxt = System.IO.Path.Combine(App.RootPath, "privacy.txt");
-                    string pathNoExt = System.IO.Path.Combine(App.RootPath, "privacy");
+                string pathTxt = System.IO.Path.Combine(App.RootPath, "privacy.txt");
+                string pathNoExt = System.IO.Path.Combine(App.RootPath, "privacy");
 
-                    if (System.IO.File.Exists(pathTxt))
-                    {
-                        privacyText = System.IO.File.ReadAllText(pathTxt);
-                    }
-                    else if (System.IO.File.Exists(pathNoExt))
-                    {
-                        privacyText = System.IO.File.ReadAllText(pathNoExt);
-                    }
-                }
-                catch (Exception ex)
-                {
-                    LogHelper.WriteLogToFile($"Settings | 读取隐私说明失败: {ex.Message}", LogHelper.LogType.Warning);
-                }
-
-                if (string.IsNullOrWhiteSpace(privacyText))
+                if (!System.IO.File.Exists(pathTxt) && !System.IO.File.Exists(pathNoExt))
                 {
                     MessageBox.Show(
                         "未找到隐私说明文件（privacy / privacy.txt），暂时无法启用匿名使用数据上传。",
@@ -378,16 +355,16 @@ namespace Ink_Canvas
                     return;
                 }
 
-                var result = MessageBox.Show(
-                    privacyText + "\n\n是否同意以上隐私说明并启用匿名使用数据上传？",
-                    "隐私说明确认",
-                    MessageBoxButton.YesNo,
-                    MessageBoxImage.Information,
-                    MessageBoxResult.No);
+                var privacyWindow = new PrivacyAgreementWindow();
+                bool? dialogResult = privacyWindow.ShowDialog();
 
-                if (result != MessageBoxResult.Yes)
+                if (dialogResult == true && privacyWindow.UserAccepted)
+                {
+                    Settings.Startup.HasAcceptedTelemetryPrivacy = true;
+                    SaveSettingsToFile();
+                }
+                else
                 {
-                    // 用户不同意，取消勾选
                     _isChangingTelemetryPrivacyInternally = true;
                     try
                     {
@@ -400,12 +377,7 @@ namespace Ink_Canvas
 
                     Settings.Startup.HasAcceptedTelemetryPrivacy = false;
                     SaveSettingsToFile();
-                    return;
                 }
-
-                // 同意隐私说明
-                Settings.Startup.HasAcceptedTelemetryPrivacy = true;
-                SaveSettingsToFile();
             }
             else
             {
diff --git a/Ink Canvas/Windows/PrivacyAgreementWindow.xaml b/Ink Canvas/Windows/PrivacyAgreementWindow.xaml
new file mode 100644
index 00000000..2cf8947a
--- /dev/null
+++ b/Ink Canvas/Windows/PrivacyAgreementWindow.xaml	
@@ -0,0 +1,69 @@
+<Window x:Class="Ink_Canvas.PrivacyAgreementWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Ink_Canvas"
+        mc:Ignorable="d" FontFamily="Microsoft YaHei UI" ui:WindowHelper.UseModernWindowStyle="True"
+        WindowStartupLocation="CenterScreen"
+        xmlns:ui="http://schemas.inkore.net/lib/ui/wpf/modern" Topmost="True"
+        Title="隐私说明 - Ink Canvas" Height="600" Width="600"
+        Loaded="Window_Loaded" Closing="Window_Closing">
+    <Window.Resources>
+        <SolidColorBrush x:Key="PrivacyAgreementWindowBackground" Color="White"/>
+        <SolidColorBrush x:Key="PrivacyAgreementWindowForeground" Color="Black"/>
+        <SolidColorBrush x:Key="PrivacyAgreementWindowButtonBackground" Color="#F4F4F5"/>
+        <SolidColorBrush x:Key="PrivacyAgreementWindowButtonForeground" Color="Black"/>
+        <SolidColorBrush x:Key="PrivacyAgreementWindowBorderBrush" Color="#E4E4E7"/>
+        <SolidColorBrush x:Key="PrivacyAgreementWindowButtonAcceptBackground" Color="#3584e4"/>
+        <SolidColorBrush x:Key="PrivacyAgreementWindowButtonAcceptForeground" Color="White"/>
+    </Window.Resources>
+    <Grid Background="{DynamicResource PrivacyAgreementWindowBackground}">
+        <Label Content="隐私说明" 
+               Margin="10,10,10,0" 
+               VerticalAlignment="Top"
+               Foreground="{DynamicResource PrivacyAgreementWindowForeground}"
+               FontFamily="Microsoft YaHei UI"
+               FontSize="18"
+               FontWeight="Bold"/>
+        <ScrollViewer Margin="10,45,10,60"
+                      VerticalScrollBarVisibility="Auto"
+                      HorizontalScrollBarVisibility="Disabled">
+            <TextBox Name="TextBoxPrivacyContent" 
+                     FontFamily="Microsoft YaHei UI" 
+                     VerticalScrollBarVisibility="Auto" 
+                     AcceptsReturn="True" 
+                     IsReadOnly="True"
+                     TextWrapping="Wrap"
+                     Background="{DynamicResource PrivacyAgreementWindowBackground}"
+                     Foreground="{DynamicResource PrivacyAgreementWindowForeground}"
+                     BorderBrush="{DynamicResource PrivacyAgreementWindowBorderBrush}"
+                     Padding="10"/>
+        </ScrollViewer>
+        <StackPanel Orientation="Horizontal" 
+                    HorizontalAlignment="Right" 
+                    VerticalAlignment="Bottom"
+                    Margin="10">
+            <Button Name="ButtonCancel"
+                    Margin="0,0,10,0" 
+                    Content="取消" 
+                    FontFamily="Microsoft YaHei UI"
+                    Width="100" 
+                    Height="35"
+                    Click="ButtonCancel_Click"
+                    Background="{DynamicResource PrivacyAgreementWindowButtonBackground}"
+                    Foreground="{DynamicResource PrivacyAgreementWindowButtonForeground}"
+                    BorderBrush="{DynamicResource PrivacyAgreementWindowBorderBrush}"/>
+            <Button Name="ButtonAccept"
+                    Content="同意" 
+                    FontFamily="Microsoft YaHei UI"
+                    Width="100" 
+                    Height="35"
+                    Click="ButtonAccept_Click"
+                    Background="{DynamicResource PrivacyAgreementWindowButtonAcceptBackground}"
+                    Foreground="{DynamicResource PrivacyAgreementWindowButtonAcceptForeground}"
+                    BorderBrush="{DynamicResource PrivacyAgreementWindowBorderBrush}"/>
+        </StackPanel>
+    </Grid>
+</Window>
+
diff --git a/Ink Canvas/Windows/PrivacyAgreementWindow.xaml.cs b/Ink Canvas/Windows/PrivacyAgreementWindow.xaml.cs
new file mode 100644
index 00000000..ab21f1ed
--- /dev/null
+++ b/Ink Canvas/Windows/PrivacyAgreementWindow.xaml.cs	
@@ -0,0 +1,178 @@
+using Ink_Canvas.Helpers;
+using System;
+using System.ComponentModel;
+using System.IO;
+using System.Windows;
+using System.Windows.Media;
+
+namespace Ink_Canvas
+{
+    public partial class PrivacyAgreementWindow : Window
+    {
+        public bool UserAccepted { get; private set; } = false;
+
+        public PrivacyAgreementWindow()
+        {
+            InitializeComponent();
+            AnimationsHelper.ShowWithSlideFromBottomAndFade(this, 0.25);
+            ApplyTheme();
+        }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                string privacyText = null;
+                string pathTxt = Path.Combine(App.RootPath, "privacy.txt");
+                string pathNoExt = Path.Combine(App.RootPath, "privacy");
+
+                if (File.Exists(pathTxt))
+                {
+                    privacyText = File.ReadAllText(pathTxt, System.Text.Encoding.UTF8);
+                }
+                else if (File.Exists(pathNoExt))
+                {
+                    privacyText = File.ReadAllText(pathNoExt, System.Text.Encoding.UTF8);
+                }
+
+                if (string.IsNullOrWhiteSpace(privacyText))
+                {
+                    privacyText = "未找到隐私说明文件（privacy.txt 或 privacy）。";
+                }
+
+                TextBoxPrivacyContent.Text = privacyText;
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"读取隐私说明失败: {ex.Message}", LogHelper.LogType.Warning);
+                TextBoxPrivacyContent.Text = "读取隐私说明文件时出错。";
+            }
+        }
+
+        private void Window_Closing(object sender, CancelEventArgs e)
+        {
+        }
+
+        private void ButtonCancel_Click(object sender, RoutedEventArgs e)
+        {
+            UserAccepted = false;
+            DialogResult = false;
+            Close();
+        }
+
+        private void ButtonAccept_Click(object sender, RoutedEventArgs e)
+        {
+            UserAccepted = true;
+            DialogResult = true;
+            Close();
+        }
+
+        private void ApplyTheme()
+        {
+            try
+            {
+                if (MainWindow.Settings != null)
+                {
+                    ApplyTheme(MainWindow.Settings);
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"应用隐私说明窗口主题出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        private void ApplyTheme(Settings settings)
+        {
+            try
+            {
+                if (settings.Appearance.Theme == 0)
+                {
+                    iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, iNKORE.UI.WPF.Modern.ElementTheme.Light);
+                    ApplyThemeResources("Light");
+                }
+                else if (settings.Appearance.Theme == 1)
+                {
+                    iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, iNKORE.UI.WPF.Modern.ElementTheme.Dark);
+                    ApplyThemeResources("Dark");
+                }
+                else
+                {
+                    bool isSystemLight = IsSystemThemeLight();
+                    if (isSystemLight)
+                    {
+                        iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, iNKORE.UI.WPF.Modern.ElementTheme.Light);
+                        ApplyThemeResources("Light");
+                    }
+                    else
+                    {
+                        iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, iNKORE.UI.WPF.Modern.ElementTheme.Dark);
+                        ApplyThemeResources("Dark");
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"应用隐私说明窗口主题出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        private void ApplyThemeResources(string theme)
+        {
+            try
+            {
+                var resources = this.Resources;
+
+                if (theme == "Light")
+                {
+                    resources["PrivacyAgreementWindowBackground"] = new SolidColorBrush(Color.FromRgb(255, 255, 255));
+                    resources["PrivacyAgreementWindowForeground"] = new SolidColorBrush(Color.FromRgb(24, 24, 27));
+                    resources["PrivacyAgreementWindowButtonBackground"] = new SolidColorBrush(Color.FromRgb(244, 244, 245));
+                    resources["PrivacyAgreementWindowButtonForeground"] = new SolidColorBrush(Color.FromRgb(24, 24, 27));
+                    resources["PrivacyAgreementWindowBorderBrush"] = new SolidColorBrush(Color.FromRgb(228, 228, 231));
+                    resources["PrivacyAgreementWindowButtonAcceptBackground"] = new SolidColorBrush(Color.FromRgb(53, 132, 228));
+                    resources["PrivacyAgreementWindowButtonAcceptForeground"] = new SolidColorBrush(Colors.White);
+                }
+                else
+                {
+                    resources["PrivacyAgreementWindowBackground"] = new SolidColorBrush(Color.FromRgb(31, 31, 31));
+                    resources["PrivacyAgreementWindowForeground"] = new SolidColorBrush(Colors.White);
+                    resources["PrivacyAgreementWindowButtonBackground"] = new SolidColorBrush(Color.FromRgb(42, 42, 42));
+                    resources["PrivacyAgreementWindowButtonForeground"] = new SolidColorBrush(Colors.White);
+                    resources["PrivacyAgreementWindowBorderBrush"] = new SolidColorBrush(Color.FromRgb(224, 224, 224));
+                    resources["PrivacyAgreementWindowButtonAcceptBackground"] = new SolidColorBrush(Color.FromRgb(53, 132, 228));
+                    resources["PrivacyAgreementWindowButtonAcceptForeground"] = new SolidColorBrush(Colors.White);
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"应用隐私说明窗口主题资源出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        private bool IsSystemThemeLight()
+        {
+            var light = false;
+            try
+            {
+                var registryKey = Microsoft.Win32.Registry.CurrentUser;
+                var themeKey = registryKey.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize");
+                if (themeKey != null)
+                {
+                    var value = themeKey.GetValue("AppsUseLightTheme");
+                    if (value != null)
+                    {
+                        light = (int)value == 1;
+                    }
+                    themeKey.Close();
+                }
+            }
+            catch
+            {
+                light = true;
+            }
+            return light;
+        }
+    }
+}
+