diff --git a/DMS.WPF/Assets/AppIcon2.ico b/DMS.WPF/Assets/AppIcon2.ico
new file mode 100644
index 0000000..6c7fb71
Binary files /dev/null and b/DMS.WPF/Assets/AppIcon2.ico differ
diff --git a/DMS.WPF/DMS.WPF.csproj b/DMS.WPF/DMS.WPF.csproj
index db2515a..799a214 100644
--- a/DMS.WPF/DMS.WPF.csproj
+++ b/DMS.WPF/DMS.WPF.csproj
@@ -10,6 +10,7 @@
 
   <ItemGroup>
     <Resource Include="Assets\AppIcon.png" />
+    <Resource Include="Assets\AppIcon2.ico" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/DMS.WPF/Services/INavigationService.cs b/DMS.WPF/Services/INavigationService.cs
index 2ca3a07..4b9f65f 100644
--- a/DMS.WPF/Services/INavigationService.cs
+++ b/DMS.WPF/Services/INavigationService.cs
@@ -15,8 +15,4 @@ public interface INavigationService
     /// <param name="parameter">要传递给目标ViewModel的参数。</param>
     Task NavigateToAsync(string viewKey, object parameter = null);
 
-    /// <summary>
-    /// 显示主窗口。
-    /// </summary>
-    Task ShowMainWindowAsync();
 }
diff --git a/DMS.WPF/Services/NavigationService.cs b/DMS.WPF/Services/NavigationService.cs
index cca5932..efee813 100644
--- a/DMS.WPF/Services/NavigationService.cs
+++ b/DMS.WPF/Services/NavigationService.cs
@@ -48,20 +48,7 @@ public class NavigationService : INavigationService
         mainViewModel.CurrentViewModel = viewModel;
     }
 
-    /// <summary>
-    /// 显示主窗口。
-    /// </summary>
-    public Task ShowMainWindowAsync()
-    {
-        return App.Current.Dispatcher.InvokeAsync(() =>
-                  {
-                      var mainView = _serviceProvider.GetRequiredService<MainView>();
-                      // 将 MainView 设置为新的主窗口
-                      App.Current.MainWindow = mainView;
-                      mainView.Show();
-                  })
-                  .Task;
-    }
+
 
     private Type GetViewModelTypeByKey(string key)
     {
diff --git a/DMS.WPF/ViewModels/MainViewModel.cs b/DMS.WPF/ViewModels/MainViewModel.cs
index e6a7ace..ab8b477 100644
--- a/DMS.WPF/ViewModels/MainViewModel.cs
+++ b/DMS.WPF/ViewModels/MainViewModel.cs
@@ -28,7 +28,6 @@ public partial class MainViewModel : ViewModelBase
     private readonly DataServices _dataServices;
     private readonly IDialogService _dialogService;
     private readonly ILogger<MainViewModel> _logger;
-    private readonly NavgatorServices _navgatorServices;
 
     /// <summary>
     /// 当前显示的视图模型。
@@ -49,22 +48,18 @@ public partial class MainViewModel : ViewModelBase
     /// <param name="dataServices">数据服务。</param>
     /// <param name="dialogService">对话框服务。</param>
     /// <param name="logger">日志记录器。</param>
-    public MainViewModel(NavgatorServices navgatorServices, DataServices dataServices, IDialogService dialogService,
+    public MainViewModel( 
                          ILogger<MainViewModel> logger)
     {
-        _navgatorServices = navgatorServices;
-        _dataServices = dataServices;
-        _dialogService = dialogService;
+        // _dataServices = dataServices;
         _logger = logger;
 
-        _navgatorServices.OnViewModelChanged += () => { CurrentViewModel = _navgatorServices.CurrentViewModel; };
-
         CurrentViewModel = new HomeViewModel();
         CurrentViewModel.OnLoaded();
         // 发送消息加载数据
         MessageHelper.SendLoadMessage(LoadTypes.All);
         // 当菜单加载成功后，在前台显示菜单
-        dataServices.OnMenuTreeListChanged += (menus) => { Menus = new ObservableCollection<MenuBean>(menus); };
+        // dataServices.OnMenuTreeListChanged += (menus) => { Menus = new ObservableCollection<MenuBean>(menus); };
     }
 
     /// <summary>
diff --git a/DMS.WPF/ViewModels/SplashViewModel.cs b/DMS.WPF/ViewModels/SplashViewModel.cs
index 4e74e13..343179a 100644
--- a/DMS.WPF/ViewModels/SplashViewModel.cs
+++ b/DMS.WPF/ViewModels/SplashViewModel.cs
@@ -6,6 +6,8 @@ using DMS.WPF.Services;
 using System;
 using System.Threading.Tasks;
 using DMS.Application.Services;
+using DMS.WPF.Views;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace DMS.WPF.ViewModels;
 
@@ -38,24 +40,27 @@ public partial class SplashViewModel : ObservableObject
 
             LoadingMessage = "正在加载系统配置...";
             // 可以在这里添加加载配置的逻辑
-            await Task.Delay(1500); // 模拟耗时
+            await Task.Delay(500); // 模拟耗时
 
             LoadingMessage = "正在连接后台服务...";
             // 可以在这里添加连接服务的逻辑
-            await Task.Delay(1500); // 模拟耗时
+            await Task.Delay(500); // 模拟耗时
 
             LoadingMessage = "加载完成，正在启动主界面...";
-            await Task.Delay(1500);
+            await Task.Delay(500);
 
             // 初始化完成，显示主窗口
-            var navigationService = (INavigationService)_serviceProvider.GetService(typeof(INavigationService));
-            await navigationService.ShowMainWindowAsync();
+            var mainView = App.Current.Services.GetRequiredService<MainView>();
+            // 将 MainView 设置为新的主窗口
+            App.Current.MainWindow = mainView;
+            mainView.Show();
             return true;
         }
         catch (Exception ex)
         {
             // 处理初始化过程中的异常
             LoadingMessage = $"初始化失败: {ex.Message}";
+            Console.WriteLine($"初始化失败: {ex.Message}");
             // 在此可以记录日志或显示错误对话框
             return false;
         }
diff --git a/DMS.WPF/Views/MainView.xaml b/DMS.WPF/Views/MainView.xaml
index e188290..bb281cd 100644
--- a/DMS.WPF/Views/MainView.xaml
+++ b/DMS.WPF/Views/MainView.xaml
@@ -42,7 +42,7 @@
     <Grid>
         <taskbarNotification:TaskbarIcon x:Name="MyNotifyIcon"
                         ToolTipText="设备管理系统"
-                        IconSource="/AppIcon2.ico"
+                        IconSource="/Assets/AppIcon2.ico"
                         DoubleClickCommand="{Binding ShowWindowCommand}">
             <taskbarNotification:TaskbarIcon.ContextMenu>
                 <ContextMenu>
diff --git a/DMS.WPF/Views/MainView.xaml.cs b/DMS.WPF/Views/MainView.xaml.cs
index f9cc13a..7160b12 100644
--- a/DMS.WPF/Views/MainView.xaml.cs
+++ b/DMS.WPF/Views/MainView.xaml.cs
@@ -15,14 +15,12 @@ namespace DMS.WPF.Views;
 
 public partial class MainView : Window
 {
-    private readonly DataServices _dataServices;
     private MainViewModel _viewModel;
 
-    public MainView(DataServices dataServices)
+    public MainView()
     {
         InitializeComponent();
         _viewModel = App.Current.Services.GetRequiredService<MainViewModel>();
-        _dataServices = dataServices;
         DataContext = _viewModel;
         NlogHelper.Info("主界面加载成功");
 
diff --git a/DMS.WPF/Views/SplashWindow.xaml b/DMS.WPF/Views/SplashWindow.xaml
index 74e264d..2c47bc5 100644
--- a/DMS.WPF/Views/SplashWindow.xaml
+++ b/DMS.WPF/Views/SplashWindow.xaml
@@ -10,7 +10,7 @@
     <Grid>
         <Border CornerRadius="10" Background="#FF333333">
             <StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
-                <Image Source="/Assets/AppIcon.png" Width="100" Height="100"/>
+                <Image Source="/Assets/AppIcon2.ico" Width="100" Height="100"/>
                 <TextBlock Text="{Binding LoadingMessage}" Foreground="White" FontSize="16" Margin="0,20,0,0"/>
             </StackPanel>
         </Border>