diff --git a/Source/Store.Management.Framework/Controls/DataGridEx/DataGridEx.xaml b/Source/Store.Management.Framework/Controls/DataGridEx/DataGridEx.xaml
index bbfa67d..19565a5 100644
--- a/Source/Store.Management.Framework/Controls/DataGridEx/DataGridEx.xaml
+++ b/Source/Store.Management.Framework/Controls/DataGridEx/DataGridEx.xaml
@@ -4,8 +4,8 @@
 	xmlns:ext="clr-namespace:Store.Management.Framework.Controls"
 	xmlns:f="clr-namespace:Store.Management.Framework.Controls.Attach;assembly=Store.Management.Framework"
 	xmlns:local="clr-namespace:Store.Management.Framework.Controls"
-	xmlns:wpf="MAX.WPF"
-	xmlns:sys="clr-namespace:System;assembly=mscorlib">
+	xmlns:sys="clr-namespace:System;assembly=mscorlib"
+	xmlns:wpf="MAX.WPF">
 
 
 	<sys:Double x:Key="DataGridExFontSize">12</sys:Double>
@@ -498,6 +498,11 @@
 				</Setter>
 			</Style>
 		</Style.Resources>
+		<Setter Property="PageSizes">
+			<Setter.Value>
+				<Int32Collection>50,100,500,1000,2000</Int32Collection>
+			</Setter.Value>
+		</Setter>
 		<Setter Property="UseLayoutRounding" Value="True" />
 		<Setter Property="SnapsToDevicePixels" Value="True" />
 		<Setter Property="Background" Value="White" />
diff --git a/Source/Store.Management.Framework/FrameworkApplication.cs b/Source/Store.Management.Framework/FrameworkApplication.cs
index e0c5f91..4d548b1 100644
--- a/Source/Store.Management.Framework/FrameworkApplication.cs
+++ b/Source/Store.Management.Framework/FrameworkApplication.cs
@@ -1,3 +1,4 @@
+using MAX.Common.Helpers;
 using MAX.Framework.Logger;
 using NLog;
 using Prism.Autofac;
@@ -15,141 +16,155 @@ namespace Store.Management.Framework;
 
 public abstract class FrameworkApplication : PrismApplication
 {
-    private Mutex? _mutex;
-    private bool _ownsMutex;
-    private int _fatalHandling;
-    private int _shutdownRequested;
-    public static bool ShuttingDown { get; private set; }
-    public static bool IsAppInitialized { get; private set; }
-    public static event Action<Exception>? FatalErrorRaised;
+	private Mutex? _mutex;
+	private bool _ownsMutex;
+	private int _fatalHandling;
+	private int _shutdownRequested;
+	public static bool ShuttingDown { get; private set; }
+	public static bool IsAppInitialized { get; private set; }
+	public static event Action<Exception>? FatalErrorRaised;
+	private IStatusBarService StatusBarService;
+	private IMessageBoxService MessageBoxService;
+	private static bool FatalShutdown = false;
+	protected FrameworkApplication()
+	{
+		DispatcherUnhandledException += OnDispatcherUnhandledException;
+		AppDomain.CurrentDomain.UnhandledException += OnDomainUnhandledException;
+		TaskScheduler.UnobservedTaskException += OnUnobservedTaskException;
+	}
 
-    protected FrameworkApplication()
-    {
-        DispatcherUnhandledException += OnDispatcherUnhandledException;
-        AppDomain.CurrentDomain.UnhandledException += OnDomainUnhandledException;
-        TaskScheduler.UnobservedTaskException += OnUnobservedTaskException;
-    }
+	/// <summary>返回 null 可允许多开；默认限制同一登录会话中的应用实例。</summary>
+	public virtual string? GetMutexName() => @"Local\Store.Management";
 
-    /// <summary>返回 null 可允许多开；默认限制同一登录会话中的应用实例。</summary>
-    public virtual string? GetMutexName() => @"Local\Store.Management";
+	protected override void OnStartup(StartupEventArgs e)
+	{
+		try
+		{
+			//string? name = GetMutexName();
+			//if (!string.IsNullOrWhiteSpace(name))
+			//{
+			//    _mutex = new Mutex(true, name, out _ownsMutex);
+			//    if (!_ownsMutex)
+			//    {
+			//        MessageBox.Show("程序已在运行。", Config.AppName, MessageBoxButton.OK, MessageBoxImage.Information);
+			//        Shutdown();
+			//        return;
+			//    }
+			//}
+			FolderConfig.Initialize();
+			base.OnStartup(e);
+			ApplicationLogService.Initialize();
+			NLogger.Instance.Info($"软件启动：{Config.AppFullName}，版本：{Config.GetFullVersionString()}，会话：{Config.SessionID}，启动时间：{Config.AppStartTime:O}，Windows：{Config.WindowsVersion}");
+			DISource.Resolver = Resolve;
+		}
+		catch (Exception ex) { Fatal(ex); }
+	}
 
-    protected override void OnStartup(StartupEventArgs e)
-    {
-        try
-        {
-            //string? name = GetMutexName();
-            //if (!string.IsNullOrWhiteSpace(name))
-            //{
-            //    _mutex = new Mutex(true, name, out _ownsMutex);
-            //    if (!_ownsMutex)
-            //    {
-            //        MessageBox.Show("程序已在运行。", Config.AppName, MessageBoxButton.OK, MessageBoxImage.Information);
-            //        Shutdown();
-            //        return;
-            //    }
-            //}
-            FolderConfig.Initialize();
-            base.OnStartup(e);
-            ApplicationLogService.Initialize();
-            NLogger.Instance.Info($"软件启动：{Config.AppFullName}，版本：{Config.GetFullVersionString()}，会话：{Config.SessionID}，启动时间：{Config.AppStartTime:O}，Windows：{Config.WindowsVersion}");
-            DISource.Resolver = Resolve;
-        }
-        catch (Exception ex) { Fatal(ex); }
-    }
+	protected override void OnInitialized()
+	{
+		base.OnInitialized();
+		IsAppInitialized = true;
+		NLogger.Instance.Info("软件初始化成功，进入主页面");
+		StatusBarService = Container?.Resolve<IStatusBarService>();
+		MessageBoxService = Container?.Resolve<IMessageBoxService>();
+	}
 
-    protected override void OnInitialized()
-    {
-        base.OnInitialized();
-        IsAppInitialized = true;
-        NLogger.Instance.Info("软件初始化成功，进入主页面");
-    }
+	protected override void RegisterRequiredTypes(IContainerRegistry registry)
+	{
+		base.RegisterRequiredTypes(registry);
+		registry.RegisterDialogWindow<Controls.DialogWindow>();
+	}
 
-    protected override void RegisterRequiredTypes(IContainerRegistry registry)
-    {
-        base.RegisterRequiredTypes(registry);
-        registry.RegisterDialogWindow<Controls.DialogWindow>();
-    }
+	private object Resolve(Type type, string name)
+	{
+		if (type == null || Container is null) return null!;
+		return name != null ? Container.Resolve(type, name) : Container.Resolve(type);
+	}
 
-    private object Resolve(Type type, string name)
-    {
-        if (type == null || Container is null) return null!;
-        return name != null ? Container.Resolve(type, name) : Container.Resolve(type);
-    }
+	private void OnDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
+	{
+		e.Handled = true;
+		StatusBarService.Report(e.Exception.Message, StatusLevel.Error);
+		Fatal(e.Exception);
 
-    private void OnDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
-    {
-        e.Handled = true;
-        Fatal(e.Exception);
-    }
+	}
 
-    private void OnDomainUnhandledException(object sender, UnhandledExceptionEventArgs e)
-    {
-        Exception exception = e.ExceptionObject as Exception ?? new Exception(e.ExceptionObject?.ToString());
-        // CLR 终止期间同步记录，不等待 UI 线程。
-        if (e.IsTerminating) ApplicationLogService.WriteFatal(exception, "AppDomain.UnhandledException");
-        else Fatal(exception);
-    }
+	private void OnDomainUnhandledException(object sender, UnhandledExceptionEventArgs e)
+	{
+		Exception exception = e.ExceptionObject as Exception ?? new Exception(e.ExceptionObject?.ToString());
+		StatusBarService.Report(exception.Message, StatusLevel.Error);
+		// CLR 终止期间同步记录，不等待 UI 线程。
+		if (e.IsTerminating) ApplicationLogService.WriteFatal(exception, "AppDomain.UnhandledException");
+		else Fatal(exception);
+	}
 
-    private void OnUnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
-    {
-        ApplicationLogService.WriteFatal(e.Exception, "TaskScheduler.UnobservedTaskException");
-        e.SetObserved();
-    }
+	private void OnUnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
+	{
+		ApplicationLogService.WriteFatal(e.Exception, "TaskScheduler.UnobservedTaskException");
+		e.SetObserved();
+	}
 
-    /// <summary>先同步保存报告，再通知订阅者并关闭应用。</summary>
-    public static void Fatal(Exception exception)
-    {
-        ArgumentNullException.ThrowIfNull(exception);
-        string? path = ApplicationLogService.WriteFatal(exception, "Fatal");
-        if (Current is not FrameworkApplication app || Interlocked.Exchange(ref app._fatalHandling, 1) != 0) return;
-        foreach (Action<Exception> handler in FatalErrorRaised?.GetInvocationList() ?? [])
-        {
-            try { handler(exception); }
-            catch (Exception ex) { ApplicationLogService.WriteFatal(ex, "FatalErrorRaised"); }
-        }
-        void ShowErrorAndShutdown()
-        {
-            try
-            {
-                MessageBox.Show($"软件发生致命错误，即将关闭。\n{exception.Message}\n\n日志：{path ?? "写入失败，请查看调试输出"}",
-                    Config.AppName, MessageBoxButton.OK, MessageBoxImage.Error);
-            }
-            finally { TotalShutdown(-1); }
-        }
-        if (app.Dispatcher.CheckAccess()) ShowErrorAndShutdown();
-        else if (!app.Dispatcher.HasShutdownStarted) app.Dispatcher.BeginInvoke((Action)ShowErrorAndShutdown);
-    }
+	/// <summary>先同步保存报告，再通知订阅者并关闭应用。</summary>
+	public void Fatal(Exception exception)
+	{
+		ArgumentNullException.ThrowIfNull(exception);
+		string? path = ApplicationLogService.WriteFatal(exception, "Fatal");
+		if (Current is not FrameworkApplication app || Interlocked.Exchange(ref app._fatalHandling, 1) != 0) return;
+		foreach (Action<Exception> handler in FatalErrorRaised?.GetInvocationList() ?? [])
+		{
+			try { handler(exception); }
+			catch (Exception ex) { ApplicationLogService.WriteFatal(ex, "FatalErrorRaised"); }
+		}
+		void ShowErrorAndShutdown()
+		{
+			if (FatalShutdown)
+			{
+				try
+				{
+					MessageBox.Show($"软件发生致命错误，即将关闭。\n{exception.Message}\n\n日志：{path ?? "写入失败，请查看调试输出"}",
+						Config.AppName, MessageBoxButton.OK, MessageBoxImage.Error);
+				}
+				finally { TotalShutdown(-1); }
+			}
+			else
+			{
+				MessageBoxService.ShowError(exception.Message);
+			}
+		}
+		if (app.Dispatcher.CheckAccess()) ShowErrorAndShutdown();
+		else if (!app.Dispatcher.HasShutdownStarted) app.Dispatcher.BeginInvoke((Action)ShowErrorAndShutdown);
+	}
 
-    /// <summary>通过 WPF 正常退出，执行退出清理。</summary>
-    public static void TotalShutdown(int exitCode = 0)
-    {
-        if (Current is not FrameworkApplication app || Interlocked.Exchange(ref app._shutdownRequested, 1) != 0) return;
-        ShuttingDown = true;
-        if (app.Dispatcher.CheckAccess()) app.Shutdown(exitCode);
-        else if (!app.Dispatcher.HasShutdownStarted) app.Dispatcher.BeginInvoke((Action)(() => app.Shutdown(exitCode)));
-    }
+	/// <summary>通过 WPF 正常退出，执行退出清理。</summary>
+	public static void TotalShutdown(int exitCode = 0)
+	{
+		if (Current is not FrameworkApplication app || Interlocked.Exchange(ref app._shutdownRequested, 1) != 0) return;
+		ShuttingDown = true;
+		if (app.Dispatcher.CheckAccess()) app.Shutdown(exitCode);
+		else if (!app.Dispatcher.HasShutdownStarted) app.Dispatcher.BeginInvoke((Action)(() => app.Shutdown(exitCode)));
+	}
 
-    protected override void OnExit(ExitEventArgs e)
-    {
-        ShuttingDown = true;
-        try
-        {
-            try { Container?.Resolve<StoreApiClient>().Dispose(); }
-            finally { base.OnExit(e); }
-        }
-        finally
-        {
-            DispatcherUnhandledException -= OnDispatcherUnhandledException;
-            AppDomain.CurrentDomain.UnhandledException -= OnDomainUnhandledException;
-            TaskScheduler.UnobservedTaskException -= OnUnobservedTaskException;
-            DISource.Resolver = null!;
-            try { if (_ownsMutex) _mutex?.ReleaseMutex(); }
-            finally
-            {
-                _mutex?.Dispose();
-                try { NLogger.Instance.Info($"软件关闭，退出码：{e.ApplicationExitCode}"); }
-                finally { LogManager.Shutdown(); }
-            }
-        }
-    }
+	protected override void OnExit(ExitEventArgs e)
+	{
+		ShuttingDown = true;
+		try
+		{
+			try { Container?.Resolve<StoreApiClient>().Dispose(); }
+			finally { base.OnExit(e); }
+		}
+		finally
+		{
+			DispatcherUnhandledException -= OnDispatcherUnhandledException;
+			AppDomain.CurrentDomain.UnhandledException -= OnDomainUnhandledException;
+			TaskScheduler.UnobservedTaskException -= OnUnobservedTaskException;
+			DISource.Resolver = null!;
+			try { if (_ownsMutex) _mutex?.ReleaseMutex(); }
+			finally
+			{
+				_mutex?.Dispose();
+				try { NLogger.Instance.Info($"软件关闭，退出码：{e.ApplicationExitCode}"); }
+				finally { LogManager.Shutdown(); }
+			}
+		}
+	}
 }
diff --git a/Source/Store.Management.Framework/Interfaces/IMessageBoxService.cs b/Source/Store.Management.Framework/Interfaces/IMessageBoxService.cs
deleted file mode 100644
index 03a67c3..0000000
--- a/Source/Store.Management.Framework/Interfaces/IMessageBoxService.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Windows;
-using System.ComponentModel;
-
-namespace Store.Management.Framework.Interfaces
-{
-
-	public interface IMessageBoxService
-	{
-		
-		//MessageResult Show(string messageBoxText, string caption, MessageBoxButton button, MessageIcon icon, MessageResult defaultResult);
-	}
-}
diff --git a/Source/Store.Management.Framework/Services/MessageBoxService/IMessageBoxService.cs b/Source/Store.Management.Framework/Services/MessageBoxService/IMessageBoxService.cs
new file mode 100644
index 0000000..54d26a6
--- /dev/null
+++ b/Source/Store.Management.Framework/Services/MessageBoxService/IMessageBoxService.cs
@@ -0,0 +1,27 @@
+using MAX.Core.Commons;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Store.Management.Framework
+{
+	public interface IMessageBoxService
+	{
+		MessageResult Show(string messageBoxText, string caption, MessageButton button, MessageIcon icon, MessageResult defaultResult);
+
+
+		void ShowInformation(string content);
+		void ShowWarning(string content);
+		void ShowError(string content);
+		void ShowError(string content, Exception exception);
+		bool ShowYesNoQuestion(string content);
+		bool ShowYesNoWarning(string content);
+		bool ShowYesNoError(string content);
+		bool ShowOkCancelQuestion(string content);
+		bool ShowOkCancelWarning(string content);
+		bool ShowOkCancelError(string content);
+		MessageResult ShowYesNoCancelQuestion(string content);
+		MessageResult ShowYesNoCancelWarning(string content);
+		MessageResult ShowYesNoCancelError(string content);
+	}
+}
diff --git a/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxEnumsConverter.cs b/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxEnumsConverter.cs
new file mode 100644
index 0000000..07e3f33
--- /dev/null
+++ b/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxEnumsConverter.cs
@@ -0,0 +1,99 @@
+using System.ComponentModel;
+using System.Windows;
+
+namespace Store.Management.Framework
+{
+	public static class MessageBoxEnumsConverter
+	{
+		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+		public static bool? ToBool(this MessageBoxResult result)
+		{
+			switch (result)
+			{
+				case MessageBoxResult.Cancel: return null;
+				case MessageBoxResult.No: return false;
+				default: return true;
+			}
+		}
+		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+		public static bool? ToBool(this MessageResult result)
+		{
+			switch (result)
+			{
+				case MessageResult.Cancel: return null;
+				case MessageResult.No: return false;
+				default: return true;
+			}
+		}
+		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+		public static MessageBoxResult ToMessageBoxResult(this MessageResult result)
+		{
+			switch (result)
+			{
+				case MessageResult.Cancel: return MessageBoxResult.Cancel;
+				case MessageResult.No: return MessageBoxResult.No;
+				case MessageResult.Yes: return MessageBoxResult.Yes;
+				case MessageResult.OK: return MessageBoxResult.OK;
+				default: return MessageBoxResult.None;
+			}
+		}
+		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+		public static MessageResult ToMessageResult(this MessageBoxResult result)
+		{
+			switch (result)
+			{
+				case MessageBoxResult.Cancel: return MessageResult.Cancel;
+				case MessageBoxResult.No: return MessageResult.No;
+				case MessageBoxResult.Yes: return MessageResult.Yes;
+				case MessageBoxResult.OK: return MessageResult.OK;
+				default: return MessageResult.None;
+			}
+		}
+		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+		public static MessageBoxButton ToMessageBoxButton(this MessageButton button)
+		{
+			switch (button)
+			{
+				case MessageButton.OKCancel: return MessageBoxButton.OKCancel;
+				case MessageButton.YesNo: return MessageBoxButton.YesNo;
+				case MessageButton.YesNoCancel: return MessageBoxButton.YesNoCancel;
+				default: return MessageBoxButton.OK;
+			}
+		}
+		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+		public static MessageButton ToMessageButton(this MessageBoxButton button)
+		{
+			switch (button)
+			{
+				case MessageBoxButton.OKCancel: return MessageButton.OKCancel;
+				case MessageBoxButton.YesNo: return MessageButton.YesNo;
+				case MessageBoxButton.YesNoCancel: return MessageButton.YesNoCancel;
+				default: return MessageButton.OK;
+			}
+		}
+		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+		public static MessageBoxImage ToMessageBoxImage(this MessageIcon icon)
+		{
+			switch (icon)
+			{
+				case MessageIcon.Error: return MessageBoxImage.Error;
+				case MessageIcon.Information: return MessageBoxImage.Information;
+				case MessageIcon.Question: return MessageBoxImage.Question;
+				case MessageIcon.Warning: return MessageBoxImage.Warning;
+				default: return MessageBoxImage.None;
+			}
+		}
+		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+		public static MessageIcon ToMessageIcon(this MessageBoxImage icon)
+		{
+			switch (icon)
+			{
+				case MessageBoxImage.Error: return MessageIcon.Error;
+				case MessageBoxImage.Information: return MessageIcon.Information;
+				case MessageBoxImage.Question: return MessageIcon.Question;
+				case MessageBoxImage.Warning: return MessageIcon.Warning;
+				default: return MessageIcon.None;
+			}
+		}
+	}
+}
diff --git a/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxService.cs b/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxService.cs
new file mode 100644
index 0000000..128b946
--- /dev/null
+++ b/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxService.cs
@@ -0,0 +1,124 @@
+using MAX.Core.DependencyInjection;
+using Store.Management.Framework.Configs;
+using System.Windows;
+using MessageBox = HandyControl.Controls.MessageBox;
+
+namespace Store.Management.Framework
+{
+	public class MessageBoxService : IMessageBoxService, ISingletonDependency
+	{
+		protected readonly Guid id = Guid.NewGuid();
+
+		public string MessageTitle { get; set; } = string.Empty;
+
+		public MessageBoxService()
+		{
+			MessageTitle = AppConfig.AppDisplayName;
+		}
+
+		public virtual MessageResult Show(string messageBoxText, string caption, MessageButton button, MessageIcon icon, MessageResult defaultResult)
+		{
+			Window? window = Application.Current?.Windows.OfType<Window>().FirstOrDefault(w => w.IsActive);
+			if (window is null)
+			{
+				return MessageBox.Show(
+					messageBoxText: messageBoxText,
+					caption: caption,
+					button: button.ToMessageBoxButton(),
+					icon: icon.ToMessageBoxImage(),
+					defaultResult: defaultResult.ToMessageBoxResult()
+				).ToMessageResult();
+			}
+			else
+			{
+				return MessageBox.Show(
+					owner: window,
+					messageBoxText: messageBoxText,
+					caption: caption,
+					button: button.ToMessageBoxButton(),
+					icon: icon.ToMessageBoxImage(),
+					defaultResult: defaultResult.ToMessageBoxResult()
+				).ToMessageResult();
+			}
+		}
+
+		public void ShowInformation(string content)
+		{
+			this.ShowMessage(content, MessageTitle, MessageButton.OK, MessageIcon.Information, MessageResult.OK);
+		}
+
+		public void ShowWarning(string content)
+		{
+			this.ShowMessage(content, MessageTitle, MessageButton.OK, MessageIcon.Warning, MessageResult.OK);
+		}
+
+		public void ShowError(string content, Exception exception)
+		{
+			if (exception is null)
+			{
+				ShowError(content);
+			}
+			else
+			{
+				this.ShowMessage(content + "\n" + exception.Message, MessageTitle, MessageButton.OK, MessageIcon.Error, MessageResult.OK);
+			}
+		}
+
+		public void ShowError(string content)
+		{
+			this.ShowMessage(content, MessageTitle, MessageButton.OK, MessageIcon.Error, MessageResult.OK);
+		}
+
+		public bool ShowYesNoQuestion(string content)
+		{
+			MessageResult result = this.ShowMessage(content, MessageTitle, MessageButton.YesNo, MessageIcon.Question, MessageResult.No);
+			return result == MessageResult.Yes;
+		}
+
+		public bool ShowYesNoWarning(string content)
+		{
+			MessageResult result = this.ShowMessage(content, MessageTitle, MessageButton.YesNo, MessageIcon.Warning, MessageResult.No);
+			return result == MessageResult.Yes;
+		}
+
+		public bool ShowYesNoError(string content)
+		{
+			MessageResult result = this.ShowMessage(content, MessageTitle, MessageButton.YesNo, MessageIcon.Error, MessageResult.No);
+			return result == MessageResult.Yes;
+		}
+
+		public bool ShowOkCancelQuestion(string content)
+		{
+			MessageResult result = this.ShowMessage(content, MessageTitle, MessageButton.OKCancel, MessageIcon.Question, MessageResult.OK);
+			return result == MessageResult.OK;
+		}
+
+		public bool ShowOkCancelWarning(string content)
+		{
+			MessageResult result = this.ShowMessage(content, MessageTitle, MessageButton.OKCancel, MessageIcon.Warning, MessageResult.OK);
+			return result == MessageResult.OK;
+		}
+
+		public bool ShowOkCancelError(string content)
+		{
+			MessageResult result = this.ShowMessage(content, MessageTitle, MessageButton.OKCancel, MessageIcon.Error, MessageResult.OK);
+			return result == MessageResult.OK;
+		}
+
+		public MessageResult ShowYesNoCancelQuestion(string content)
+		{
+			return this.ShowMessage(content, MessageTitle, MessageButton.YesNoCancel, MessageIcon.Question, MessageResult.Cancel);
+		}
+
+		public MessageResult ShowYesNoCancelWarning(string content)
+		{
+			return this.ShowMessage(content, MessageTitle, MessageButton.YesNoCancel, MessageIcon.Warning, MessageResult.Cancel);
+		}
+
+		public MessageResult ShowYesNoCancelError(string content)
+		{
+			return this.ShowMessage(content, MessageTitle, MessageButton.YesNoCancel, MessageIcon.Error, MessageResult.Cancel);
+		}
+
+	}
+}
diff --git a/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxServiceExtensions.cs b/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxServiceExtensions.cs
new file mode 100644
index 0000000..90108ed
--- /dev/null
+++ b/Source/Store.Management.Framework/Services/MessageBoxService/MessageBoxServiceExtensions.cs
@@ -0,0 +1,37 @@
+namespace Store.Management.Framework
+{
+	public static class MessageBoxServiceExtensions
+	{
+		extension(IMessageBoxService service)
+		{
+			public MessageResult ShowMessage(string messageBoxText, string caption, MessageButton button, MessageIcon icon, MessageResult defaultResult)
+			{
+				VerifyService(service);
+				return service.Show(messageBoxText, caption, button, icon, defaultResult);
+			}
+			public bool? ShowMessage(string messageBoxText)
+			{
+				return service.ShowMessage(messageBoxText, string.Empty);
+			}
+			public bool? ShowMessage(string messageBoxText, string caption)
+			{
+				return service.ShowMessage(messageBoxText, caption, MessageButton.OK).ToBool();
+			}
+			public MessageResult ShowMessage(string messageBoxText, string caption, MessageButton button)
+			{
+				return service.ShowMessage(messageBoxText, caption, button, MessageIcon.None);
+			}
+			public MessageResult ShowMessage(string messageBoxText, string caption, MessageButton button, MessageIcon icon)
+			{
+				VerifyService(service);
+				return service.Show(messageBoxText, caption, button, icon, MessageResult.None);
+			}
+		}
+
+		static void VerifyService(IMessageBoxService service)
+		{
+			if (service == null)
+				throw new ArgumentNullException(nameof(service));
+		}
+	}
+}
diff --git a/Source/Store.Management.Framework/Services/MessageBoxService/MessageButton.cs b/Source/Store.Management.Framework/Services/MessageBoxService/MessageButton.cs
new file mode 100644
index 0000000..1417a41
--- /dev/null
+++ b/Source/Store.Management.Framework/Services/MessageBoxService/MessageButton.cs
@@ -0,0 +1,7 @@
+namespace Store.Management.Framework
+{
+	public enum MessageButton
+	{
+		OK, OKCancel, YesNoCancel, YesNo,
+	}
+}
diff --git a/Source/Store.Management.Framework/Services/MessageBoxService/MessageIcon.cs b/Source/Store.Management.Framework/Services/MessageBoxService/MessageIcon.cs
new file mode 100644
index 0000000..a9b8b71
--- /dev/null
+++ b/Source/Store.Management.Framework/Services/MessageBoxService/MessageIcon.cs
@@ -0,0 +1,8 @@
+namespace Store.Management.Framework
+{
+	public enum MessageIcon
+	{
+		None, Error, Question, Warning, Information,
+		Hand = Error, Stop = Error, Exclamation = Warning, Asterisk = Information
+	}
+}
diff --git a/Source/Store.Management.Framework/Services/MessageBoxService/MessageResult.cs b/Source/Store.Management.Framework/Services/MessageBoxService/MessageResult.cs
new file mode 100644
index 0000000..e1df9cb
--- /dev/null
+++ b/Source/Store.Management.Framework/Services/MessageBoxService/MessageResult.cs
@@ -0,0 +1,7 @@
+namespace Store.Management.Framework
+{
+	public enum MessageResult
+	{
+		None, OK, Cancel, Yes, No,
+	}
+}
diff --git a/Source/Store.Management.Framework/Services/UserService.cs b/Source/Store.Management.Framework/Services/UserService.cs
new file mode 100644
index 0000000..51d7b95
--- /dev/null
+++ b/Source/Store.Management.Framework/Services/UserService.cs
@@ -0,0 +1,29 @@
+using MAX.Core.DependencyInjection;
+using Store.Management.Api;
+using Store.Management.Api.Models;
+using Store.Management.Api.Users;
+
+namespace Store.Management.Framework.Services;
+
+public interface IUserService
+{
+    Task<PageResult<UserInfo>> SearchAsync(UserSearchRequest request, CancellationToken cancellationToken = default);
+    Task<UserInfo> CreateAsync(UserCreateRequest request, CancellationToken cancellationToken = default);
+    Task<UserInfo> UpdateAsync(UserUpdateRequest request, CancellationToken cancellationToken = default);
+    Task DeleteAsync(int id, CancellationToken cancellationToken = default);
+}
+
+internal sealed class UserService(StoreApiClient client) : IUserService, ISingletonDependency
+{
+    public Task<PageResult<UserInfo>> SearchAsync(UserSearchRequest request, CancellationToken cancellationToken = default)
+        => client.Users.SearchAsync(request, cancellationToken);
+
+    public Task<UserInfo> CreateAsync(UserCreateRequest request, CancellationToken cancellationToken = default)
+        => client.Users.CreateAsync(request, cancellationToken);
+
+    public Task<UserInfo> UpdateAsync(UserUpdateRequest request, CancellationToken cancellationToken = default)
+        => client.Users.UpdateAsync(request, cancellationToken);
+
+    public Task DeleteAsync(int id, CancellationToken cancellationToken = default)
+        => client.Users.DeleteAsync(id, cancellationToken);
+}
diff --git a/Source/Store.Management/ViewModels/UserEditorDialogViewModel.cs b/Source/Store.Management/ViewModels/UserEditorDialogViewModel.cs
index 6452a10..d3eb287 100644
--- a/Source/Store.Management/ViewModels/UserEditorDialogViewModel.cs
+++ b/Source/Store.Management/ViewModels/UserEditorDialogViewModel.cs
@@ -1,15 +1,15 @@
 using Prism.Commands;
 using Prism.Services.Dialogs;
-using Store.Management.Api;
 using Store.Management.Api.Transport;
 using Store.Management.Api.Users;
 using Store.Management.Framework.Controls;
+using Store.Management.Framework.Services;
 using System.ComponentModel.DataAnnotations;
 using System.Windows.Input;
 
 namespace Store.Management.ViewModels;
 
-public sealed class UserEditorDialogViewModel(StoreApiClient client) : ConfirmDialogViewModel
+public sealed class UserEditorDialogViewModel(IUserService userService) : ConfirmDialogViewModel
 {
     public const int UserNameLimit = 20;
     public const int PasswordLimit = 128;
@@ -65,11 +65,11 @@ public sealed class UserEditorDialogViewModel(StoreApiClient client) : ConfirmDi
         {
             if (Draft is UserCreateRequest newUser)
             {
-                await client.Users.CreateAsync(newUser);
+                await userService.CreateAsync(newUser);
             }
             else
             {
-                await client.Users.UpdateAsync((UserUpdateRequest)Draft);
+                await userService.UpdateAsync((UserUpdateRequest)Draft);
             }
         }
         catch (ApiException ex)
diff --git a/Source/Store.Management/ViewModels/UserManagementPageViewModel.cs b/Source/Store.Management/ViewModels/UserManagementPageViewModel.cs
index abe95fb..6130c30 100644
--- a/Source/Store.Management/ViewModels/UserManagementPageViewModel.cs
+++ b/Source/Store.Management/ViewModels/UserManagementPageViewModel.cs
@@ -1,7 +1,6 @@
 using Prism.Commands;
 using Prism.Mvvm;
 using Prism.Services.Dialogs;
-using Store.Management.Api;
 using Store.Management.Api.Models;
 using Store.Management.Api.Transport;
 using Store.Management.Api.Users;
@@ -13,7 +12,7 @@ using System.Windows.Controls.Primitives;
 
 namespace Store.Management.ViewModels;
 
-public sealed class UserManagementPageViewModel(StoreApiClient client, IDialogService dialogs, IStatusBarService statusBar) : BindableBase
+public sealed class UserManagementPageViewModel(IUserService userService, IDialogService dialogs, IStatusBarService statusBar) : BindableBase
 {
     public const int KeywordLimit = 100;
     private string appliedKeyword = "";
@@ -59,13 +58,13 @@ public sealed class UserManagementPageViewModel(StoreApiClient client, IDialogSe
         {
             statusBar.Report("正在查询用户…");
             UserSearchRequest request = new() { Keyword = keyword, Page = page, PageSize = size };
-            PageResult<UserInfo> result = await client.Users.SearchAsync(request);
+            PageResult<UserInfo> result = await userService.SearchAsync(request);
             // 删除末页最后一条记录后，按服务端总数回到有效页。
             int lastPage = (int)Math.Clamp((result.Total - 1) / size + 1, 1, page);
             if (page > lastPage)
             {
                 request.Page = lastPage;
-                result = await client.Users.SearchAsync(request);
+                result = await userService.SearchAsync(request);
             }
             appliedKeyword = keyword;
             pageSize = size;
@@ -86,6 +85,7 @@ public sealed class UserManagementPageViewModel(StoreApiClient client, IDialogSe
             pageSize = size;
             statusBar.Report(ex.Message, StatusLevel.Error);
         }
+    
         finally
         {
             CanInteract = true;
@@ -115,7 +115,7 @@ public sealed class UserManagementPageViewModel(StoreApiClient client, IDialogSe
         try
         {
             statusBar.Report("正在删除用户…");
-            await client.Users.DeleteAsync(user.Id);
+            await userService.DeleteAsync(user.Id);
         }
         catch (ApiException ex)
         {
diff --git a/Source/Store.Management/Views/DataGridTestView.xaml b/Source/Store.Management/Views/DataGridTestView.xaml
index 1c93a2e..5a28be1 100644
--- a/Source/Store.Management/Views/DataGridTestView.xaml
+++ b/Source/Store.Management/Views/DataGridTestView.xaml
@@ -127,6 +127,9 @@
 			ShowRowNumber="True"
 			ShowToolbar="True"
 			TotalItemCount="{Binding TotalCount, Mode=OneWay}">
+			<!--<f:DataGridEx.PageSizes>
+				<Int32Collection>50,100,500,1000</Int32Collection>
+			</f:DataGridEx.PageSizes>-->
 			<f:DataGridEx.ToolbarContent>
 				<ItemsControl>
 					<ItemsControl.ItemsPanel>
diff --git a/Tests/Store.Management.App.SmokeTests/Program.cs b/Tests/Store.Management.App.SmokeTests/Program.cs
index f5d353e..7e6aec6 100644
--- a/Tests/Store.Management.App.SmokeTests/Program.cs
+++ b/Tests/Store.Management.App.SmokeTests/Program.cs
@@ -76,6 +76,11 @@ class Program
                     TextBlock text = (TextBlock)shell.FindName("StatusText");
                     ProgressBar progress = (ProgressBar)shell.FindName("StatusProgress");
                     Check(text.Text == "就绪" && progress.Visibility == Visibility.Collapsed, "初始状态");
+                    _ = app.Dispatcher.BeginInvoke(new Action(() =>
+                        throw new System.ComponentModel.DataAnnotations.ValidationException("分页参数无效")));
+                    await Dispatcher.Yield(DispatcherPriority.ApplicationIdle);
+                    Check(shell.IsVisible && text.Text == "分页参数无效" && status.Current.Level == StatusLevel.Error,
+                        "Dispatcher 异常后主窗口继续运行并显示错误");
                     foreach ((StatusLevel level, string brush, int value) in new[] {
                         (StatusLevel.Info, "PrimaryTextBrush", 0), (StatusLevel.Warning, "WarningBrush", 50),
                         (StatusLevel.Error, "DangerBrush", 75), (StatusLevel.Success, "SuccessBrush", 100) })
@@ -90,7 +95,12 @@ class Program
                     Check(text.Text == "完成" && progress.Visibility == Visibility.Collapsed, "纯文本状态隐藏进度");
                     using var usersClient = new StoreApiClient(new ApiClientOptions { BaseUrl = new Uri("http://localhost:14312/api/v1/") }, httpClient);
                     usersClient.Session.Clear();
-                    var usersVm = new UserManagementPageViewModel(usersClient, app.Container.Resolve<IDialogService>(), status);
+                    var usersExtension = new Prism.Autofac.AutofacContainerExtension();
+                    usersExtension.RegisterInstance(typeof(StoreApiClient), usersClient);
+                    usersExtension.FinalizeExtension();
+                    using var usersContainer = usersExtension.Instance;
+                    var userService = usersContainer.Resolve<IUserService>();
+                    var usersVm = new UserManagementPageViewModel(userService, app.Container.Resolve<IDialogService>(), status);
                     await usersVm.SearchCommand.Execute();
                     Check(status.Current.Level == StatusLevel.Error && usersVm.CanInteract, "查询失败后显示错误并允许重试");
                     await usersClient.Auth.LoginAsync(new() { UserName = "admin", Password = "320BB1D43EC042096A83DBAC6DC9294A" });
@@ -100,6 +110,7 @@ class Program
                     Check(usersVm.CanInteract && usersVm.Total == 51 && status.Current.Level == StatusLevel.Success, "重试查询成功");
                     await usersVm.PageCommand.Execute(new DataGridPageRequest(2, 50));
                     Check(usersVm.Page == 2 && usersVm.CanInteract && status.Current.Level == StatusLevel.Success, "分页查询成功");
+                    await userService.DeleteAsync(1);
                     Console.WriteLine("PASS: status bar bindings, colors and background progress reports.");
                     return;
                 }
@@ -230,6 +241,13 @@ sealed class LoginHandler : HttpMessageHandler
                 Content = new StringContent("""{"code":200,"data":{"total":51,"items":[{"id":1,"userName":"admin"}]}}""", Encoding.UTF8, "application/json")
             };
         }
+        if (request.Method == HttpMethod.Post && request.RequestUri?.PathAndQuery == "/api/v1/user/DelUser?id=1")
+        {
+            return new HttpResponseMessage(HttpStatusCode.OK)
+            {
+                Content = new StringContent("""{"code":200}""", Encoding.UTF8, "application/json")
+            };
+        }
         if (request.RequestUri?.AbsoluteUri != "http://localhost:14312/api/v1/Auth/Login")
             throw new Exception("登录路由错误");
         var body = System.Text.Json.JsonDocument.Parse(await request.Content!.ReadAsStringAsync(cancellationToken));
@@ -258,4 +276,4 @@ sealed class TestApp(StoreApiClient client) : App
         base.RegisterTypes(containerRegistry);
         containerRegistry.RegisterInstance(client);
     }
-}
\ No newline at end of file
+}