diff --git a/src/Snap.Hutao/Snap.Hutao/Control/Panel/PanelSelector.xaml b/src/Snap.Hutao/Snap.Hutao/Control/Panel/PanelSelector.xaml
index 58ccd8c2..24939cfb 100644
--- a/src/Snap.Hutao/Snap.Hutao/Control/Panel/PanelSelector.xaml
+++ b/src/Snap.Hutao/Snap.Hutao/Control/Panel/PanelSelector.xaml
@@ -5,12 +5,13 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:shcm="using:Snap.Hutao.Control.Markup"
+    Loaded="OnRootControlLoaded"
     mc:Ignorable="d">
 
     <SplitButton
+        Name="RootSplitButton"
         Padding="0,6"
-        Click="SplitButtonClick"
-        Loaded="SplitButtonLoaded">
+        Click="SplitButtonClick">
         <SplitButton.Content>
             <FontIcon Name="IconPresenter" Glyph="&#xE8FD;"/>
         </SplitButton.Content>
diff --git a/src/Snap.Hutao/Snap.Hutao/Control/Panel/PanelSelector.xaml.cs b/src/Snap.Hutao/Snap.Hutao/Control/Panel/PanelSelector.xaml.cs
index 344a1708..839e524f 100644
--- a/src/Snap.Hutao/Snap.Hutao/Control/Panel/PanelSelector.xaml.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Control/Panel/PanelSelector.xaml.cs
@@ -11,7 +11,7 @@ namespace Snap.Hutao.Control.Panel;
 /// </summary>
 public sealed partial class PanelSelector : UserControl
 {
-    private static readonly DependencyProperty CurrentProperty = Property<PanelSelector>.Depend(nameof(Current), "List");
+    private static readonly DependencyProperty CurrentProperty = Property<PanelSelector>.Depend(nameof(Current), "List", OnCurrentChanged);
 
     /// <summary>
     /// 构造一个新的面板选择器
@@ -30,51 +30,60 @@ public sealed partial class PanelSelector : UserControl
         set => SetValue(CurrentProperty, value);
     }
 
-    private void SplitButtonLoaded(object sender, RoutedEventArgs e)
+    private static void OnCurrentChanged(PanelSelector sender, string current)
     {
-        MenuFlyout menuFlyout = (MenuFlyout)((SplitButton)sender).Flyout;
-        ((RadioMenuFlyoutItem)menuFlyout.Items[0]).IsChecked = true;
+        MenuFlyout menuFlyout = (MenuFlyout)sender.RootSplitButton.Flyout;
+        RadioMenuFlyoutItem targetItem = menuFlyout.Items
+            .Cast<RadioMenuFlyoutItem>()
+            .Single(i => (string)i.Tag == current);
+        targetItem.IsChecked = true;
+        sender.IconPresenter.Glyph = ((FontIcon)targetItem.Icon).Glyph;
+    }
+
+    private static void OnCurrentChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
+    {
+        OnCurrentChanged((PanelSelector)obj, (string)args.NewValue);
+    }
+
+    private void OnRootControlLoaded(object sender, RoutedEventArgs e)
+    {
+        // because the GroupName shares in global
+        // we have to impl a control scoped GroupName.
+        PanelSelector selector = (PanelSelector)sender;
+        MenuFlyout menuFlyout = (MenuFlyout)selector.RootSplitButton.Flyout;
+        int hash = GetHashCode();
+        foreach (RadioMenuFlyoutItem item in menuFlyout.Items.Cast<RadioMenuFlyoutItem>())
+        {
+            item.GroupName = $"PanelSelector{hash}Group";
+        }
+
+        OnCurrentChanged(selector, Current);
     }
 
     private void SplitButtonClick(SplitButton sender, SplitButtonClickEventArgs args)
     {
         MenuFlyout menuFlyout = (MenuFlyout)sender.Flyout;
+
         int i = 0;
         for (; i < menuFlyout.Items.Count; i++)
         {
-            RadioMenuFlyoutItem current = (RadioMenuFlyoutItem)menuFlyout.Items[i];
-            if (current.IsChecked)
+            if ((string)menuFlyout.Items[i].Tag == Current)
             {
                 break;
             }
         }
 
-        i++;
-
-        if (i > menuFlyout.Items.Count)
-        {
-            i = 1;
-        }
-
-        if (i == menuFlyout.Items.Count)
-        {
-            i = 0;
-        }
+        ++i;
+        i %= menuFlyout.Items.Count; // move the count index to 0
 
         RadioMenuFlyoutItem item = (RadioMenuFlyoutItem)menuFlyout.Items[i];
         item.IsChecked = true;
-        UpdateState(item);
+        Current = (string)item.Tag;
     }
 
     private void RadioMenuFlyoutItemClick(object sender, RoutedEventArgs e)
     {
         RadioMenuFlyoutItem item = (RadioMenuFlyoutItem)sender;
-        UpdateState(item);
-    }
-
-    private void UpdateState(RadioMenuFlyoutItem item)
-    {
         Current = (string)item.Tag;
-        IconPresenter.Glyph = ((FontIcon)item.Icon).Glyph;
     }
 }
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Setting/SettingKeys.cs b/src/Snap.Hutao/Snap.Hutao/Core/Setting/SettingKeys.cs
index d6a01a1a..0c952a1f 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Setting/SettingKeys.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Setting/SettingKeys.cs
@@ -27,4 +27,9 @@ internal static class SettingKeys
     /// 静态资源合约V1
     /// </summary>
     public const string StaticResourceV1Contract = "StaticResourceV1Contract";
+
+    /// <summary>
+    /// 静态资源合约V2 成就图标与物品图标
+    /// </summary>
+    public const string StaticResourceV2Contract = "StaticResourceV2Contract";
 }
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/MainWindow.xaml.cs b/src/Snap.Hutao/Snap.Hutao/MainWindow.xaml.cs
index fadd4954..099d21b5 100644
--- a/src/Snap.Hutao/Snap.Hutao/MainWindow.xaml.cs
+++ b/src/Snap.Hutao/Snap.Hutao/MainWindow.xaml.cs
@@ -33,9 +33,11 @@ public sealed partial class MainWindow : Window, IExtendedWindowSource, IRecipie
 
         Ioc.Default.GetRequiredService<IMessenger>().Register(this);
 
-        // Query the StaticResourceV1Contract.
+        // Query the StaticResourceV1Contract & StaticResourceV2Contract.
         // If not complete we should present the welcome view.
-        ContentSwitchPresenter.Value = !LocalSetting.Get(SettingKeys.StaticResourceV1Contract, false);
+        ContentSwitchPresenter.Value =
+            !LocalSetting.Get(SettingKeys.StaticResourceV1Contract, false)
+            || (!LocalSetting.Get(SettingKeys.StaticResourceV2Contract, false));
     }
 
     /// <summary>
diff --git a/src/Snap.Hutao/Snap.Hutao/View/Control/StatisticsCard.xaml b/src/Snap.Hutao/Snap.Hutao/View/Control/StatisticsCard.xaml
index 86694e47..3bad90a3 100644
--- a/src/Snap.Hutao/Snap.Hutao/View/Control/StatisticsCard.xaml
+++ b/src/Snap.Hutao/Snap.Hutao/View/Control/StatisticsCard.xaml
@@ -92,7 +92,6 @@
                 </Border>
             </Grid>
         </DataTemplate>
-
     </UserControl.Resources>
 
     <Border Background="{StaticResource CardBackgroundFillColorDefaultBrush}" CornerRadius="{StaticResource CompatCornerRadius}">
@@ -124,7 +123,10 @@
                                 FontSize="24"
                                 Text="{Binding TotalCount}"
                                 Visibility="{Binding ElementName=DetailExpander, Path=IsExpanded, Converter={StaticResource BoolToVisibilityRevertConverter}}"/>
-                            <shcp:PanelSelector x:Name="ItemsPanelSelector" Margin="6,0,6,0"/>
+                            <shcp:PanelSelector
+                                x:Name="ItemsPanelSelector"
+                                Margin="6,0"
+                                Current="Grid"/>
                         </StackPanel>
                     </Grid>
                 </Expander.Header>
diff --git a/src/Snap.Hutao/Snap.Hutao/ViewModel/WelcomeViewModel.cs b/src/Snap.Hutao/Snap.Hutao/ViewModel/WelcomeViewModel.cs
index 6abb4156..80c498cd 100644
--- a/src/Snap.Hutao/Snap.Hutao/ViewModel/WelcomeViewModel.cs
+++ b/src/Snap.Hutao/Snap.Hutao/ViewModel/WelcomeViewModel.cs
@@ -51,18 +51,27 @@ internal class WelcomeViewModel : ObservableObject
 
     private async Task OpenUIAsync()
     {
-        List<DownloadSummary> downloadSummaries = new()
+        List<DownloadSummary> downloadSummaries = new();
+
+        if (!LocalSetting.Get(SettingKeys.StaticResourceV1Contract, false))
         {
-            new(serviceProvider, "基础图标", "Bg"),
-            new(serviceProvider, "角色图标", "AvatarIcon"),
-            new(serviceProvider, "角色立绘图标", "GachaAvatarIcon"),
-            new(serviceProvider, "角色立绘图像", "GachaAvatarImg"),
-            new(serviceProvider, "武器图标", "EquipIcon"),
-            new(serviceProvider, "武器立绘图标", "GachaEquipIcon"),
-            new(serviceProvider, "名片图像", "NameCardPic"),
-            new(serviceProvider, "天赋图标", "Skill"),
-            new(serviceProvider, "命之座图标", "Talent"),
-        };
+            downloadSummaries.Add(new(serviceProvider, "基础图标", "Bg"));
+            downloadSummaries.Add(new(serviceProvider, "角色图标", "AvatarIcon"));
+            downloadSummaries.Add(new(serviceProvider, "角色立绘图标", "GachaAvatarIcon"));
+            downloadSummaries.Add(new(serviceProvider, "角色立绘图像", "GachaAvatarImg"));
+            downloadSummaries.Add(new(serviceProvider, "武器图标", "EquipIcon"));
+            downloadSummaries.Add(new(serviceProvider, "武器立绘图标", "GachaEquipIcon"));
+            downloadSummaries.Add(new(serviceProvider, "名片图像", "NameCardPic"));
+            downloadSummaries.Add(new(serviceProvider, "天赋图标", "Skill"));
+            downloadSummaries.Add(new(serviceProvider, "命之座图标", "Talent"));
+        }
+
+        if (!LocalSetting.Get(SettingKeys.StaticResourceV2Contract, false))
+        {
+            downloadSummaries.Add(new(serviceProvider, "成就图标", "AchievementIcon"));
+            downloadSummaries.Add(new(serviceProvider, "物品图标", "ItemIcon"));
+            downloadSummaries.Add(new(serviceProvider, "元素图标", "IconElement"));
+        }
 
         DownloadSummaries = new(downloadSummaries);
 
@@ -70,8 +79,9 @@ internal class WelcomeViewModel : ObservableObject
 
         serviceProvider.GetRequiredService<IMessenger>().Send(new Message.WelcomeStateCompleteMessage());
 
-        // Complete the StaticResourceV1Contract
+        // Complete StaticResourceContracts
         LocalSetting.Set(SettingKeys.StaticResourceV1Contract, true);
+        LocalSetting.Set(SettingKeys.StaticResourceV2Contract, true);
 
         new ToastContentBuilder()
             .AddText("下载完成")
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Bridge/Model/IJsResult.cs b/src/Snap.Hutao/Snap.Hutao/Web/Bridge/Model/IJsResult.cs
index cc633de8..0912faaf 100644
--- a/src/Snap.Hutao/Snap.Hutao/Web/Bridge/Model/IJsResult.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Bridge/Model/IJsResult.cs
@@ -11,7 +11,6 @@ public interface IJsResult
     /// <summary>
     /// 转换到Json字符串表示
     /// </summary>
-    /// <param name="options">序列化参数</param>
     /// <returns>JSON字符串</returns>
-    string ToString(JsonSerializerOptions options);
+    string ToString();
 }
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Bridge/Model/JsResult.cs b/src/Snap.Hutao/Snap.Hutao/Web/Bridge/Model/JsResult.cs
index 44c2d52f..90c93d47 100644
--- a/src/Snap.Hutao/Snap.Hutao/Web/Bridge/Model/JsResult.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Bridge/Model/JsResult.cs
@@ -29,7 +29,7 @@ public class JsResult<TData> : IJsResult
     public TData Data { get; set; } = default!;
 
     /// <inheritdoc/>
-    string IJsResult.ToString(JsonSerializerOptions options)
+    string IJsResult.ToString()
     {
         return JsonSerializer.Serialize(this);
     }
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs b/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs
index 6f9e7ff2..f6c91c94 100644
--- a/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs
@@ -6,7 +6,7 @@ namespace Snap.Hutao.Web.Response;
 /// <summary>
 /// 已知的返回代码
 /// </summary>
-public enum KnownReturnCode : int
+public enum KnownReturnCode
 {
     /// <summary>
     /// 无效请求
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Response/Response.cs b/src/Snap.Hutao/Snap.Hutao/Web/Response/Response.cs
index 972264c8..b2d1d342 100644
--- a/src/Snap.Hutao/Snap.Hutao/Web/Response/Response.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Response/Response.cs
@@ -94,7 +94,7 @@ public class Response<TData> : Response, IJsResult
     }
 
     /// <inheritdoc/>
-    string IJsResult.ToString(JsonSerializerOptions options)
+    string IJsResult.ToString()
     {
         return JsonSerializer.Serialize(this);
     }