diff --git a/System.Application.SteamTools.Client.Desktop.Avalonia.App/App.axaml.cs b/System.Application.SteamTools.Client.Desktop.Avalonia.App/App.axaml.cs
index a097c17c2..0718ad590 100644
--- a/System.Application.SteamTools.Client.Desktop.Avalonia.App/App.axaml.cs
+++ b/System.Application.SteamTools.Client.Desktop.Avalonia.App/App.axaml.cs
@@ -215,6 +215,12 @@ namespace System.Application.UI
 
         public Window? MainWindow { get; set; }
 
+        public void ShowChildWindow(object window)
+        {
+            if (window is Window w)
+                w.ShowDialog(MainWindow);
+        }
+
         /// <summary>
         /// Restores the app's main window by setting its <c>WindowState</c> to
         /// <c>WindowState.Normal</c> and showing the window.
diff --git a/System.Application.SteamTools.Client.Desktop.Avalonia.App/Startup.cs b/System.Application.SteamTools.Client.Desktop.Avalonia.App/Startup.cs
index c8ff7ea0c..896c3d050 100644
--- a/System.Application.SteamTools.Client.Desktop.Avalonia.App/Startup.cs
+++ b/System.Application.SteamTools.Client.Desktop.Avalonia.App/Startup.cs
@@ -27,6 +27,8 @@ namespace System.Application.UI
 
         static void ConfigureServices(IServiceCollection services)
         {
+            services.AddSingleton<IDesktopAppService, App>();
+
             // 桌面平台服务 此项放在其他通用业务实现服务之前
             services.AddDesktopPlatformService();
 
@@ -107,6 +109,7 @@ namespace System.Application.UI
              *  - 按钮文本(ButtonText)缺少本地化翻译(Translate)
              *  - 某些图标图片与枚举值不太匹配，例如 Information
              */
+            services.AddMessageWindowService();
 
 #if WINDOWS
             // 可选项，在 Win 平台使用 WPF 实现的 MessageBox
diff --git a/System.Application.SteamTools.Client.Desktop.Avalonia/Application/Services/Implementation/MessageWindowServiceImpl.cs b/System.Application.SteamTools.Client.Desktop.Avalonia/Application/Services/Implementation/MessageWindowServiceImpl.cs
new file mode 100644
index 000000000..b9c6a4516
--- /dev/null
+++ b/System.Application.SteamTools.Client.Desktop.Avalonia/Application/Services/Implementation/MessageWindowServiceImpl.cs
@@ -0,0 +1,38 @@
+using Avalonia.Controls;
+using Avalonia.Threading;
+using System.Application.UI;
+using System.Application.UI.ViewModels.Windows;
+using System.Application.UI.Windows;
+using System.Threading.Tasks;
+
+namespace System.Application.Services.Implementation
+{
+    internal sealed class MessageWindowServiceImpl : IMessageWindowService
+    {
+        public Task<bool> ShowDialog(string messageBoxText)
+        {
+           return ShowDialog(messageBoxText, "", false);
+        }
+
+        public Task<bool> ShowDialog(string messageBoxText, string caption)
+        {
+            return ShowDialog(messageBoxText, caption, false);
+        }
+
+        public Task<bool> ShowDialog(string messageBoxText, string caption, bool isCancelcBtn)
+        {
+            return MainThreadDesktop.InvokeOnMainThreadAsync<bool>(() =>
+            {
+                var dialog = new MessageWindowViewModel
+                {
+                    Content = messageBoxText,
+                    Title = caption
+                };
+                var window = new MessageWindow { DataContext = dialog };
+                window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
+                AppHelper.Current.ShowChildWindow(window);
+                return dialog.DialogResult;
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/System.Application.SteamTools.Client.Desktop.Avalonia/Application/UI/Windows/MessageWindow.axaml b/System.Application.SteamTools.Client.Desktop.Avalonia/Application/UI/Windows/MessageWindow.axaml
index adac8286b..598578e66 100644
--- a/System.Application.SteamTools.Client.Desktop.Avalonia/Application/UI/Windows/MessageWindow.axaml
+++ b/System.Application.SteamTools.Client.Desktop.Avalonia/Application/UI/Windows/MessageWindow.axaml
@@ -4,7 +4,8 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" d:DesignWidth="300" d:DesignHeight="200"
         x:Class="System.Application.UI.Windows.MessageWindow"
-        Title="MessageWindow">
-    
-    
+        Title="{Binding Title}">
+    <Grid>
+        <TextBlock Text="{Binding Content}"></TextBlock>
+    </Grid>
 </Window>
diff --git a/System.Application.SteamTools.Client.Desktop.Avalonia/ServiceCollectionExtensions.cs b/System.Application.SteamTools.Client.Desktop.Avalonia/ServiceCollectionExtensions.cs
index 5ef3630d5..7a1b67269 100644
--- a/System.Application.SteamTools.Client.Desktop.Avalonia/ServiceCollectionExtensions.cs
+++ b/System.Application.SteamTools.Client.Desktop.Avalonia/ServiceCollectionExtensions.cs
@@ -19,6 +19,17 @@ namespace Microsoft.Extensions.DependencyInjection
             return services;
         }
 
+        /// <summary>
+        /// 添加弹窗服务
+        /// </summary>
+        /// <param name="services"></param>
+        /// <returns></returns>
+        public static IServiceCollection AddMessageWindowService(this IServiceCollection services)
+        {
+            services.AddSingleton<IMessageWindowService, MessageWindowServiceImpl>();
+            return services;
+        }
+
         /// <summary>
         /// 添加应用程序更新服务
         /// </summary>
diff --git a/System.Application.SteamTools.Client.Desktop/Services/IDesktopAppService.cs b/System.Application.SteamTools.Client.Desktop/Services/IDesktopAppService.cs
index 11b812c74..b2e55c5bd 100644
--- a/System.Application.SteamTools.Client.Desktop/Services/IDesktopAppService.cs
+++ b/System.Application.SteamTools.Client.Desktop/Services/IDesktopAppService.cs
@@ -11,6 +11,11 @@ namespace System.Application.Services
         /// </summary>
         AppTheme Theme { get; set; }
 
+        /// <summary>
+        /// 打开子窗口
+        /// </summary>
+        void ShowChildWindow(object window);
+
         /// <summary>
         /// 退出整个程序
         /// </summary>
diff --git a/System.Application.SteamTools.Client.Desktop/Services/IMessageWindowService.cs b/System.Application.SteamTools.Client.Desktop/Services/IMessageWindowService.cs
new file mode 100644
index 000000000..333178935
--- /dev/null
+++ b/System.Application.SteamTools.Client.Desktop/Services/IMessageWindowService.cs
@@ -0,0 +1,32 @@
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace System.Application.Services
+{
+    public interface IMessageWindowService
+    {
+        /// <summary>
+        /// 显示一个消息框，该消息框包含消息、标题栏标题、按钮，并且返回结果。
+        /// </summary>
+        /// <param name="messageBoxText">一个 <see cref="string"/>，用于指定要显示的文本。</param></param>
+        /// <returns>一个 <see cref="MessageBoxResultCompat"/> 值，用于指定用户单击了哪个消息框按钮。</returns>
+        Task<bool> ShowDialog(string messageBoxText);
+
+        /// <summary>
+        /// 显示一个消息框，该消息框包含消息、标题栏标题、按钮，并且返回结果。
+        /// </summary>
+        /// <param name="messageBoxText">一个 <see cref="string"/>，用于指定要显示的文本。</param>
+        /// <param name="caption">一个 <see cref="string"/>，用于指定要显示的标题栏标题。</param></param>
+        /// <returns>一个 <see cref="MessageBoxResultCompat"/> 值，用于指定用户单击了哪个消息框按钮。</returns>
+        Task<bool> ShowDialog(string messageBoxText, string caption);
+
+        /// <summary>
+        /// 显示一个消息框，该消息框包含消息、标题栏标题、按钮，并且返回结果。
+        /// </summary>
+        /// <param name="messageBoxText">一个 <see cref="string"/>，用于指定要显示的文本。</param>
+        /// <param name="caption">一个 <see cref="string"/>，用于指定要显示的标题栏标题。</param>
+        /// <param name="button">一个 <see cref="MessageBoxButtonCompat"/> 值，用于指定要显示哪个按钮或哪些按钮。</param>
+        /// <returns>一个 <see cref="MessageBoxResultCompat"/> 值，用于指定用户单击了哪个消息框按钮。</returns>
+        Task<bool> ShowDialog(string messageBoxText, string caption, bool isCancelcBtn);
+    }
+}
\ No newline at end of file
diff --git a/System.Application.SteamTools.Client.Desktop/UI/Resx/R.cs b/System.Application.SteamTools.Client.Desktop/UI/Resx/R.cs
index 111a5d5d1..7722ece55 100644
--- a/System.Application.SteamTools.Client.Desktop/UI/Resx/R.cs
+++ b/System.Application.SteamTools.Client.Desktop/UI/Resx/R.cs
@@ -71,7 +71,7 @@ namespace System.Application.UI.Resx
         /// <param name="cultureName"></param>
         public static void ChangeLanguage(string cultureName)
         {
-            if (IsMatch(CultureInfo.CurrentUICulture, cultureName)) return;
+            if (IsMatch(AppResources.Culture, cultureName)) return;
             if (string.IsNullOrWhiteSpace(cultureName))
                 AppResources.Culture = DefaultCurrentUICulture;
             else
diff --git a/System.Application.SteamTools.Client.Desktop/UI/ViewModels/Base/WindowViewModel.cs b/System.Application.SteamTools.Client.Desktop/UI/ViewModels/Base/WindowViewModel.cs
index 87e1f9f4b..fd7c99b93 100644
--- a/System.Application.SteamTools.Client.Desktop/UI/ViewModels/Base/WindowViewModel.cs
+++ b/System.Application.SteamTools.Client.Desktop/UI/ViewModels/Base/WindowViewModel.cs
@@ -13,6 +13,7 @@ namespace System.Application.UI.ViewModels
 
         public bool IsInitialized { get; set; }
 
+        public bool DialogResult { get; protected set; }
         protected void InvokeOnUIDispatcher(Action action)
         {
             MainThreadDesktop.BeginInvokeOnMainThread(action);
diff --git a/System.Application.SteamTools.Client.Desktop/UI/ViewModels/Pages/DebugPageViewModel.cs b/System.Application.SteamTools.Client.Desktop/UI/ViewModels/Pages/DebugPageViewModel.cs
index 5d843f1a0..635dc936d 100644
--- a/System.Application.SteamTools.Client.Desktop/UI/ViewModels/Pages/DebugPageViewModel.cs
+++ b/System.Application.SteamTools.Client.Desktop/UI/ViewModels/Pages/DebugPageViewModel.cs
@@ -1,4 +1,5 @@
 using ReactiveUI;
+using System.Application.Services;
 using System.Application.UI.Resx;
 using System.Collections.Generic;
 using System.Linq;
@@ -30,6 +31,8 @@ namespace System.Application.UI.ViewModels
             Services.ToastService.Current.Notify("Test CommandTest CommandTest CommandTest CommandTest CommandTest Command");
             DebugString += Services.ToastService.Current.Message + Environment.NewLine;
             DebugString += Services.ToastService.Current.IsVisible + Environment.NewLine;
+
+            DI.Get<IMessageWindowService>().ShowDialog("Test", "Test");
         }
     }
 }
\ No newline at end of file