diff --git a/DownKyi/DownKyi.csproj b/DownKyi/DownKyi.csproj
index 2cf609b..f59c457 100644
--- a/DownKyi/DownKyi.csproj
+++ b/DownKyi/DownKyi.csproj
@@ -9,7 +9,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <Folder Include="Models\"/>
+        <Folder Include="Models\" />
         <AvaloniaResource Include="Resources\**" />
     </ItemGroup>
 
diff --git a/DownKyi/Services/AlertService.cs b/DownKyi/Services/AlertService.cs
index 69f9d43..ae9f564 100644
--- a/DownKyi/Services/AlertService.cs
+++ b/DownKyi/Services/AlertService.cs
@@ -1,4 +1,5 @@
-using DownKyi.Images;
+using System.Threading.Tasks;
+using DownKyi.Images;
 using DownKyi.Utils;
 using DownKyi.ViewModels.Dialogs;
 using Prism.Services.Dialogs;
@@ -20,11 +21,11 @@ public class AlertService
     /// <param name="message"></param>
     /// <param name="buttonNumber"></param>
     /// <returns></returns>
-    public ButtonResult ShowInfo(string message, int buttonNumber = 2)
+    public async Task<ButtonResult> ShowInfo(string message, int buttonNumber = 2)
     {
         VectorImage image = SystemIcon.Instance().Info;
         string title = DictionaryResource.GetString("Info");
-        return ShowMessage(image, title, message, buttonNumber);
+        return await ShowMessage(image, title, message, buttonNumber);
     }
 
     /// <summary>
@@ -33,11 +34,11 @@ public class AlertService
     /// <param name="message"></param>
     /// <param name="buttonNumber"></param>
     /// <returns></returns>
-    public ButtonResult ShowWarning(string message, int buttonNumber = 1)
+    public async Task<ButtonResult> ShowWarning(string message, int buttonNumber = 1)
     {
         VectorImage image = SystemIcon.Instance().Warning;
         string title = DictionaryResource.GetString("Warning");
-        return ShowMessage(image, title, message, buttonNumber);
+        return await ShowMessage(image, title, message, buttonNumber);
     }
 
     /// <summary>
@@ -45,30 +46,43 @@ public class AlertService
     /// </summary>
     /// <param name="message"></param>
     /// <returns></returns>
-    public ButtonResult ShowError(string message)
+    public async Task<ButtonResult> ShowError(string message)
     {
         VectorImage image = SystemIcon.Instance().Error;
         string title = DictionaryResource.GetString("Error");
-        return ShowMessage(image, title, message, 1);
+        return await ShowMessage(image, title, message, 1);
     }
 
-    public ButtonResult ShowMessage(VectorImage image, string type, string message, int buttonNumber)
+    public async Task<ButtonResult> ShowMessage(VectorImage image, string type, string message, int buttonNumber)
     {
-        ButtonResult result = ButtonResult.None;
+        var result = ButtonResult.None;
         if (dialogService == null)
         {
             return result;
         }
 
-        DialogParameters param = new DialogParameters
+        var param = new DialogParameters
         {
             { "image", image },
             { "title", type },
             { "message", message },
             { "button_number", buttonNumber }
         };
+
+        var isEnd = false;
         dialogService.ShowDialog(ViewAlertDialogViewModel.Tag, param,
-            buttonResult => { result = buttonResult.Result; });
+            buttonResult =>
+            {
+                result = buttonResult.Result;
+                isEnd = true;
+            });
+        await Task.Run(() =>
+        {
+            while (true)
+            {
+                if (isEnd) break;
+            }
+        });
         return result;
     }
 }
\ No newline at end of file
diff --git a/DownKyi/Services/Download/DownloadService.cs b/DownKyi/Services/Download/DownloadService.cs
index 2807126..ad8c33b 100644
--- a/DownKyi/Services/Download/DownloadService.cs
+++ b/DownKyi/Services/Download/DownloadService.cs
@@ -487,7 +487,7 @@ public abstract class DownloadService
 
                 AlertService alertService = new AlertService(dialogService);
                 ButtonResult result =
-                    alertService.ShowError($"{path}{DictionaryResource.GetString("DirectoryError")}");
+                    await alertService.ShowError($"{path}{DictionaryResource.GetString("DirectoryError")}");
 
                 return;
             }
diff --git a/DownKyi/ViewModels/Dialogs/BaseDialogViewModel.cs b/DownKyi/ViewModels/Dialogs/BaseDialogViewModel.cs
index 28d3135..5ba2d8d 100644
--- a/DownKyi/ViewModels/Dialogs/BaseDialogViewModel.cs
+++ b/DownKyi/ViewModels/Dialogs/BaseDialogViewModel.cs
@@ -1,5 +1,6 @@
 using System;
 using DownKyi.Images;
+using DownKyi.Models;
 using DownKyi.Utils;
 using Prism.Commands;
 using Prism.Mvvm;
@@ -15,16 +16,16 @@ public class BaseDialogViewModel : BindableBase, IDialogAware
 
     public string Title
     {
-        get { return title; }
-        set { SetProperty(ref title, value); }
+        get => title;
+        set => SetProperty(ref title, value);
     }
 
     private VectorImage closeIcon;
 
     public VectorImage CloseIcon
     {
-        get { return closeIcon; }
-        set { SetProperty(ref closeIcon, value); }
+        get => closeIcon;
+        set => SetProperty(ref closeIcon, value);
     }
 
     #endregion
@@ -33,14 +34,14 @@ public class BaseDialogViewModel : BindableBase, IDialogAware
     {
         #region 属性初始化
 
-        // Title = new AppInfo().Name;
-        // CloseIcon = new VectorImage
-        // {
-        //     Height = SystemIcon.Instance().Close.Height,
-        //     Width = SystemIcon.Instance().Close.Width,
-        //     Data = SystemIcon.Instance().Close.Data,
-        //     Fill = SystemIcon.Instance().Close.Fill
-        // };
+        Title = new AppInfo().Name;
+        CloseIcon = new VectorImage
+        {
+            Height = SystemIcon.Instance().Close.Height,
+            Width = SystemIcon.Instance().Close.Width,
+            Data = SystemIcon.Instance().Close.Data,
+            Fill = SystemIcon.Instance().Close.Fill
+        };
 
         #endregion
     }
diff --git a/DownKyi/ViewModels/DownloadManager/DownloadedItem.cs b/DownKyi/ViewModels/DownloadManager/DownloadedItem.cs
index cc5324d..3304e5a 100644
--- a/DownKyi/ViewModels/DownloadManager/DownloadedItem.cs
+++ b/DownKyi/ViewModels/DownloadManager/DownloadedItem.cs
@@ -160,10 +160,10 @@ namespace DownKyi.ViewModels.DownloadManager
         /// <summary>
         /// 删除事件
         /// </summary>
-        private void ExecuteRemoveVideoCommand()
+        private async void ExecuteRemoveVideoCommand()
         {
             AlertService alertService = new AlertService(DialogService);
-            ButtonResult result = alertService.ShowWarning(DictionaryResource.GetString("ConfirmDelete"), 2);
+            ButtonResult result = await alertService.ShowWarning(DictionaryResource.GetString("ConfirmDelete"), 2);
             if (result != ButtonResult.OK)
             {
                 return;
diff --git a/DownKyi/ViewModels/DownloadManager/ViewDownloadFinishedViewModel.cs b/DownKyi/ViewModels/DownloadManager/ViewDownloadFinishedViewModel.cs
index 90c8a21..379ed01 100644
--- a/DownKyi/ViewModels/DownloadManager/ViewDownloadFinishedViewModel.cs
+++ b/DownKyi/ViewModels/DownloadManager/ViewDownloadFinishedViewModel.cs
@@ -111,7 +111,7 @@ namespace DownKyi.ViewModels.DownloadManager
         private async void ExecuteClearAllDownloadedCommand()
         {
             AlertService alertService = new AlertService(dialogService);
-            ButtonResult result = alertService.ShowWarning(DictionaryResource.GetString("ConfirmDelete"));
+            ButtonResult result = await alertService.ShowWarning(DictionaryResource.GetString("ConfirmDelete"));
             if (result != ButtonResult.OK)
             {
                 return;
diff --git a/DownKyi/ViewModels/Settings/ViewNetworkViewModel.cs b/DownKyi/ViewModels/Settings/ViewNetworkViewModel.cs
index 15b1b65..3f08cc2 100644
--- a/DownKyi/ViewModels/Settings/ViewNetworkViewModel.cs
+++ b/DownKyi/ViewModels/Settings/ViewNetworkViewModel.cs
@@ -440,7 +440,7 @@ public class ViewNetworkViewModel : ViewModelBase
     /// 下载器选择事件
     /// </summary>
     /// <param name="parameter"></param>
-    private void ExecuteSelectDownloaderCommand(string parameter)
+    private async void ExecuteSelectDownloaderCommand(string parameter)
     {
         Downloader downloader;
         switch (parameter)
@@ -463,7 +463,7 @@ public class ViewNetworkViewModel : ViewModelBase
         PublishTip(isSucceed);
 
         AlertService alertService = new AlertService(dialogService);
-        ButtonResult result = alertService.ShowInfo(DictionaryResource.GetString("ConfirmReboot"));
+        ButtonResult result = await alertService.ShowInfo(DictionaryResource.GetString("ConfirmReboot"));
         if (result == ButtonResult.OK)
         {
             (App.Current.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime).Shutdown(0);