diff --git a/App.xaml.cs b/App.xaml.cs
index 181d13b..63564dc 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -26,8 +26,9 @@ sealed partial class App : Application
         /// <summary>
         /// 注入依赖
         /// </summary>
-        public static IServiceProvider Services { get; private set; } = new ServiceCollection()
+        public static IServiceProvider services { get; private set; } = new ServiceCollection()
             .AddSingleton<Services.LoginStatus>()
+             .AddSingleton<Services.StaticValues>()
             .BuildServiceProvider();
 
 
diff --git a/Models/Enums/MailType.cs b/Models/Enums/MailType.cs
index b26eeca..25807d6 100644
--- a/Models/Enums/MailType.cs
+++ b/Models/Enums/MailType.cs
@@ -9,8 +9,8 @@ namespace MicaApps.Upw.Mail.Models.Enums
     /// <summary>
     /// 邮件类型
     /// </summary>
-    internal enum MailType
+    public enum MailType
     {
-        Receiving, Sending
+        Receive, Send , Junk ,Deleted
     }
 }
diff --git a/Models/Letter.cs b/Models/Letter.cs
index d09cecd..1609874 100644
--- a/Models/Letter.cs
+++ b/Models/Letter.cs
@@ -10,10 +10,16 @@ namespace MicaApps.Upw.Mail.Models
     /// <summary>
     /// 专门用于储存每封信件
     /// </summary>
-    internal class Letter :MimeMessage
+    internal class Letter
     {
-        public string title { get => this.Subject; }
+        public MimeMessage mimeMessage { get;private set; }
+        public string title { get => this.mimeMessage.Subject; }
 
 
+        public Letter(MimeMessage mimeMessage)
+        {
+            this.mimeMessage = mimeMessage;
+        }
+
     }
 }
diff --git a/Models/UserData.cs b/Models/UserData.cs
index 33a17ac..5906943 100644
--- a/Models/UserData.cs
+++ b/Models/UserData.cs
@@ -19,7 +19,7 @@ internal abstract class UserData
 
 
 
-        public abstract Task CollectLetter();
+        public abstract Task CollectLetter(ObservableCollection<Letter> letters,Enums.MailType mailType);
         public abstract Task LoginIn();
 
 
diff --git a/Models/UserDataByImap.cs b/Models/UserDataByImap.cs
index 4a8527e..65836f8 100644
--- a/Models/UserDataByImap.cs
+++ b/Models/UserDataByImap.cs
@@ -8,6 +8,9 @@
 using MailKit.Security;
 using Windows.UI.Xaml;
 using MailKit;
+using MailKit.Search;
+using System.Collections.ObjectModel;
+using Windows.Media.Protection.PlayReady;
 
 namespace MicaApps.Upw.Mail.Models
 {
@@ -36,15 +39,44 @@ public override async Task LoginIn()
             await this.imapInfo.ConnectAsync(this.username,this.authorizationCode);
         }
 
-        public override async Task CollectLetter()
+        public override async Task CollectLetter(ObservableCollection<Letter> letters,Enums.MailType mailType)
         {
             var inbox = this.imapInfo.Inbox;
-            await inbox.OpenAsync(FolderAccess.ReadOnly);
-            for (int i = 0; i < inbox.Count; i++)
+            
+
+
+
+            IList<UniqueId> ids = null;
+            switch (mailType)
+            {
+                case Enums.MailType.Receive:
+                    await inbox.OpenAsync(FolderAccess.ReadOnly);
+                    ids = await inbox.SearchAsync(SearchQuery.All);
+                    break;
+                case Enums.MailType.Send:
+                    inbox = this.imapInfo.GetFolder(SpecialFolder.Sent);
+                    await inbox.OpenAsync(FolderAccess.ReadOnly);
+                    ids = await inbox.SearchAsync(SearchQuery.All);
+                    break;
+                case Enums.MailType.Deleted:
+                    await inbox.OpenAsync(FolderAccess.ReadOnly);
+                    ids = await inbox.SearchAsync(SearchQuery.Deleted);
+                    break;
+            }
+
+            
+
+            letters.Clear();
+
+            if(ids != null)
             {
-                var message = await inbox.GetMessageAsync(i);
-                this.letters.Add(message as Letter);
+                foreach (var id in ids)
+                {
+                    var message = await inbox.GetMessageAsync(id);
+                    letters.Add(new Letter(message));
+                }
             }
+            
         }
 
 
diff --git a/Pages/HomePagel.xaml b/Pages/HomePagel.xaml
index 6172785..b3e0969 100644
--- a/Pages/HomePagel.xaml
+++ b/Pages/HomePagel.xaml
@@ -5,13 +5,16 @@
     xmlns:local="using:MicaApps.Upw.Mail.Pages"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:enum="using:MicaApps.Upw.Mail.Models.Enums"
     mc:Ignorable="d"
     Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
 
     <Grid>
         <NavigationView ItemInvoked="NavigationView_ItemInvoked" IsBackButtonVisible="Collapsed">
             <NavigationView.MenuItems>
-                <NavigationViewItem Tag="receive">收件箱</NavigationViewItem>
+                <NavigationViewItem Tag="{x:Bind enum:MailType.Receive}">收件箱</NavigationViewItem>
+                <NavigationViewItem Tag="{x:Bind enum:MailType.Send}">发件箱</NavigationViewItem>
+                <NavigationViewItem Tag="{x:Bind enum:MailType.Deleted}">已删邮件</NavigationViewItem>
             </NavigationView.MenuItems>
             <Frame x:Name="frame_main"/>
         </NavigationView>
diff --git a/Pages/HomePagel.xaml.cs b/Pages/HomePagel.xaml.cs
index c68b38f..7f0513a 100644
--- a/Pages/HomePagel.xaml.cs
+++ b/Pages/HomePagel.xaml.cs
@@ -30,15 +30,8 @@ public HomePagel()
         private void NavigationView_ItemInvoked(NavigationView sender, NavigationViewItemInvokedEventArgs args)
         {
             // 获取点击的菜单项的 Tag
-            string tag = args.InvokedItemContainer.Tag.ToString();
-
-            // 根据 Tag 导航到相应的页面
-            switch (tag)
-            {
-                case @"receive":
-                    this.frame_main.Navigate(typeof(MailPage),tag);
-                    break;
-            }
+            Models.Enums.MailType tag = (Models.Enums.MailType)args.InvokedItemContainer.Tag;
+            this.frame_main.Navigate(typeof(MailPage), tag);
         }
     }
 }
diff --git a/Pages/Login/LoginByImapPage.xaml.cs b/Pages/Login/LoginByImapPage.xaml.cs
index f121cc4..d2aa65c 100644
--- a/Pages/Login/LoginByImapPage.xaml.cs
+++ b/Pages/Login/LoginByImapPage.xaml.cs
@@ -25,8 +25,8 @@ namespace MicaApps.Upw.Mail.Pages.Login
     /// </summary>
     public sealed partial class LoginByImapPage : Page
     {
-        private readonly Services.StaticValues staticValues = App.Services.GetService<Services.StaticValues>();
-        private readonly Services.LoginStatus loginStatus = App.Services.GetService<Services.LoginStatus>();
+        private readonly Services.StaticValues staticValues = App.services.GetService<Services.StaticValues>();
+        private readonly Services.LoginStatus loginStatus = App.services.GetService<Services.LoginStatus>();
 
         public LoginByImapPage()
         {
@@ -35,14 +35,16 @@ public LoginByImapPage()
 
         private void combox_mailhost_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            Grid grid = new Grid();
-            var m = grid.Margin;
+            if (this.staticValues.imapInfos.ContainsKey(this.combox_mailhost.Text))
+            {
+                this.host = this.staticValues.imapInfos[this.combox_mailhost.Text].host;
+            }
         }
 
 
         private string username { get => this.textbox_username.Text + '@' + this.combox_mailhost.Text; }
         private string password { get => this.textbox_password.Text; }
-        private string host { get=>this.textbox_host.Text; }
+        private string host { get => this.textbox_host.Text; set => this.textbox_host.Text = value; }
         private int port { get => Convert.ToInt32(this.textbox_port.Text); }
 
 
diff --git a/Pages/MailPage.xaml b/Pages/MailPage.xaml
index e90c2d7..c76f14d 100644
--- a/Pages/MailPage.xaml
+++ b/Pages/MailPage.xaml
@@ -12,25 +12,24 @@
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="*"/>
-            <RowDefinition Height="50"/>
         </Grid.RowDefinitions>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="300"/>
             <ColumnDefinition Width="*"/>
         </Grid.ColumnDefinitions>
-        <ListView Grid.Row="0" Grid.Column="0" BorderThickness="2" Margin="10" x:Name="listview" ItemClick="listview_ItemClick">
+        <ListView Grid.Row="0" Grid.Column="0" BorderThickness="2" Margin="10" x:Name="listview" SelectionChanged="listview_SelectionChanged" ItemsSource="{x:Bind letters}">
             <ListView.ItemTemplate>
                 <DataTemplate x:DataType="model:Letter">
-                    <Grid BorderThickness="2" Margin="2" Background="AliceBlue">
-                        <TextBlock Text="{Binding title}" FontSize="25"/>
+                    <Grid Margin="1">
+                        <TextBlock Text="{Binding title}" TextWrapping="Wrap"/>
                     </Grid>
                 </DataTemplate>
             </ListView.ItemTemplate>
         </ListView>
 
-        <TextBlock Margin="10" x:Name="textblock_area" Grid.Row="0" Grid.Column="1" TextWrapping="Wrap" Text="s"/>
+        <WebView Grid.Row="0" Grid.Column="1" Margin="10" x:Name="webview"/>
+
 
-        <TextBlock Grid.Row="1" x:Name="textblock_status" Text="Null" FontSize="30"/>
 
 
         <!--<StackPanel>
diff --git a/Pages/MailPage.xaml.cs b/Pages/MailPage.xaml.cs
index f67324a..e45f7ce 100644
--- a/Pages/MailPage.xaml.cs
+++ b/Pages/MailPage.xaml.cs
@@ -25,8 +25,8 @@ namespace MicaApps.Upw.Mail.Pages
     /// </summary>
     public sealed partial class MailPage : Page
     {
-        private readonly Services.LoginStatus loginStatus = App.Services.GetService<Services.LoginStatus>();
-        private string tag;
+        private readonly Services.LoginStatus loginStatus = App.services.GetService<Services.LoginStatus>();
+        private Models.Enums.MailType tag;
         private DispatcherTimer timer;
 
 
@@ -41,13 +41,13 @@ public MailPage()
             this.timer.Interval = TimeSpan.FromSeconds(1); // 设置定时器间隔为1秒
             this.timer.Tick += (sender, e) =>
             {
-                this.textblock_status.Text = this.loginStatus.userData != null ? this.loginStatus.userData.letters.Count().ToString() : @"未连接";
+                
             };
         }
 
 
 
-        
+        private ObservableCollection<Models.Letter> letters = new ObservableCollection<Models.Letter>();
 
 
         /// <summary>
@@ -60,8 +60,46 @@ protected override async void OnNavigatedTo(NavigationEventArgs e)
             if (e.Parameter != null)
             {
                 // 处理传递过来的参数
-                this.tag = (string)e.Parameter;
+                this.tag = (Models.Enums.MailType)e.Parameter;
                 // 在这里添加你的逻辑
+                if (this.loginStatus.IsLogin)
+                {
+                    await this.loginStatus.userData.CollectLetter(this.letters,this.tag);
+                }
+
+            }
+
+            timer.Start();
+        }
+
+
+        protected override void OnNavigatedFrom(NavigationEventArgs e)
+        {
+            base.OnNavigatedFrom(e);
+
+            // 停止定时器，释放资源
+            timer.Stop();
+        }
+
+
+
+
+
+
+        private void listview_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            // 获取点击的项的数据
+            Models.Letter clickedItem = e.AddedItems.First() as Models.Letter;
+
+            // 处理点击事件，例如显示一个消息框
+
+            if (clickedItem != null && clickedItem.mimeMessage.HtmlBody !=null)
+            {
+                this.webview.NavigateToString(clickedItem.mimeMessage.HtmlBody);
+            }
+            else
+            {
+                this.webview.NavigateToString(@"Error");
             }
         }
     }
diff --git a/Services/LoginStatus.cs b/Services/LoginStatus.cs
index 1e00f86..1cf2115 100644
--- a/Services/LoginStatus.cs
+++ b/Services/LoginStatus.cs
@@ -14,5 +14,9 @@ internal class LoginStatus
         public bool IsLogin { get=>this.userData != null && this.userData.IsLogin;}
 
 
+
+
+
+
     }
 }