diff --git a/src/Snap.Hutao/Snap.Hutao/App.xaml.cs b/src/Snap.Hutao/Snap.Hutao/App.xaml.cs
index e63edcab..32a2a17e 100644
--- a/src/Snap.Hutao/Snap.Hutao/App.xaml.cs
+++ b/src/Snap.Hutao/Snap.Hutao/App.xaml.cs
@@ -71,6 +71,7 @@ public partial class App : Application
 
         if (firstInstance.IsCurrent)
         {
+            // manually invoke the
             Activation.Activate(firstInstance, activatedEventArgs);
             firstInstance.Activated += Activation.Activate;
 
diff --git a/src/Snap.Hutao/Snap.Hutao/Control/Image/CachedImage.cs b/src/Snap.Hutao/Snap.Hutao/Control/Image/CachedImage.cs
index ac571ba4..5febbd59 100644
--- a/src/Snap.Hutao/Snap.Hutao/Control/Image/CachedImage.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Control/Image/CachedImage.cs
@@ -39,7 +39,7 @@ public class CachedImage : ImageEx
             // check token state to determine whether the operation should be canceled.
             Must.ThrowOnCanceled(token, "Image source has changed.");
 
-            // BitmapImage initialize with a uri will increase image quality.
+            // BitmapImage initialize with a uri will increase image quality and loading speed.
             return new BitmapImage(new(file.Path));
         }
         catch (COMException ex) when (ex.Is(COMError.WINCODEC_ERR_COMPONENTNOTFOUND))
diff --git a/src/Snap.Hutao/Snap.Hutao/Control/Text/DescriptionTextBlock.cs b/src/Snap.Hutao/Snap.Hutao/Control/Text/DescriptionTextBlock.cs
index 4e874d87..c3b75a0f 100644
--- a/src/Snap.Hutao/Snap.Hutao/Control/Text/DescriptionTextBlock.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Control/Text/DescriptionTextBlock.cs
@@ -9,6 +9,7 @@ using Microsoft.UI.Xaml.Documents;
 using Microsoft.UI.Xaml.Media;
 using Snap.Hutao.Core;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Text.RegularExpressions;
 using Windows.UI;
 
@@ -22,6 +23,8 @@ public class DescriptionTextBlock : ContentControl
     private static readonly DependencyProperty DescriptionProperty =
         Property<DescriptionTextBlock>.Depend(nameof(Description), string.Empty, OnDescriptionChanged);
 
+    private static readonly Regex ColorRegex = new(@"<color=([^>]+)>([^<]+)</color>", RegexOptions.Compiled);
+
     /// <summary>
     /// 构造一个新的呈现描述文本的文本块
     /// </summary>
@@ -46,17 +49,17 @@ public class DescriptionTextBlock : ContentControl
         text.Inlines.Clear();
 
         string[] lines = ((string)e.NewValue).Split('\n');
+
         foreach (string line in lines)
         {
-            MatchCollection matches = Regex.Matches(line, @"<color=([^>]+)>([^<]+)</color>");
             string left, right = line;
 
-            foreach (Match match in matches)
+            foreach (Match match in ColorRegex.Matches(line))
             {
-                string matched = match.Groups[0].Value;
-                int matchPosition = right.IndexOf(matched);
+                string fullMatch = match.Groups[0].Value;
+                int matchPosition = right.IndexOf(fullMatch);
                 left = right[..matchPosition];
-                right = right[(matchPosition + matched.Length)..];
+                right = right[(matchPosition + fullMatch.Length)..];
 
                 if (!string.IsNullOrWhiteSpace(left))
                 {
@@ -66,7 +69,7 @@ public class DescriptionTextBlock : ContentControl
                 string hexColor = match.Groups[1].Value;
                 string content = match.Groups[2].Value;
 
-                text.Inlines.Add(new Run { Text = content, Foreground = GetSolidColorBrush(hexColor[..7]) });
+                text.Inlines.Add(new Run { Text = content, Foreground = new SolidColorBrush(new HexColor(hexColor[1..])) });
             }
 
             if (!string.IsNullOrWhiteSpace(right))
@@ -91,12 +94,33 @@ public class DescriptionTextBlock : ContentControl
         }
     }
 
-    private static SolidColorBrush GetSolidColorBrush(string hex)
+    [StructLayout(LayoutKind.Explicit)]
+    private struct HexColor
     {
-        hex = hex.Replace("#", string.Empty);
-        byte r = (byte)Convert.ToUInt32(hex.Substring(0, 2), 16);
-        byte g = (byte)Convert.ToUInt32(hex.Substring(2, 2), 16);
-        byte b = (byte)Convert.ToUInt32(hex.Substring(4, 2), 16);
-        return new SolidColorBrush(Color.FromArgb(255, r, g, b));
+        [FieldOffset(3)]
+        public byte R;
+        [FieldOffset(2)]
+        public byte G;
+        [FieldOffset(1)]
+        public byte B;
+        [FieldOffset(0)]
+        public byte A;
+
+        [FieldOffset(0)]
+        private readonly uint data;
+
+        public HexColor(string hex)
+        {
+            R = 0;
+            G = 0;
+            B = 0;
+            A = 0;
+            data = Convert.ToUInt32(hex, 16);
+        }
+
+        public static implicit operator Color(HexColor hexColor)
+        {
+            return Color.FromArgb(hexColor.A, hexColor.R, hexColor.G, hexColor.B);
+        }
     }
 }
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Caching/CacheBase.cs b/src/Snap.Hutao/Snap.Hutao/Core/Caching/CacheBase.cs
index 2d4490f6..3d99fe1c 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Caching/CacheBase.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Caching/CacheBase.cs
@@ -246,6 +246,7 @@ public abstract class CacheBase<T>
         {
             try
             {
+                logger.LogInformation(EventIds.CacheRemoveFile, "Removing file {file}", file);
                 await file.DeleteAsync().AsTask().ConfigureAwait(false);
             }
             catch
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/CoreEnvironment.cs b/src/Snap.Hutao/Snap.Hutao/Core/CoreEnvironment.cs
index 6f309d5f..af60d300 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/CoreEnvironment.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/CoreEnvironment.cs
@@ -11,10 +11,14 @@ namespace Snap.Hutao.Core;
 /// </summary>
 internal static class CoreEnvironment
 {
+    // Used DS1 History
+    // 2.34.1 9nQiU3AV0rJSIBWgdynfoGMGKaklfbM7
+    // 2.35.2 N50pqm7FSy2AkFz2B3TqtuZMJ5TOl3Ep
+
     /// <summary>
     /// 动态密钥1的盐
     /// </summary>
-    public const string DynamicSecret1Salt = "9nQiU3AV0rJSIBWgdynfoGMGKaklfbM7";
+    public const string DynamicSecret1Salt = "N50pqm7FSy2AkFz2B3TqtuZMJ5TOl3Ep";
 
     /// <summary>
     /// 动态密钥2的盐
@@ -25,7 +29,12 @@ internal static class CoreEnvironment
     /// <summary>
     /// 米游社请求UA
     /// </summary>
-    public const string HoyolabUA = $"miHoYoBBS/2.34.1";
+    public const string HoyolabUA = $"miHoYoBBS/{HoyolabXrpcVersion}";
+
+    /// <summary>
+    /// 米游社 Rpc 版本
+    /// </summary>
+    public const string HoyolabXrpcVersion = "2.35.2";
 
     /// <summary>
     /// 标准UA
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/IocHttpClientConfiguration.cs b/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/IocHttpClientConfiguration.cs
index f4164c8f..2fb08c12 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/IocHttpClientConfiguration.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/IocHttpClientConfiguration.cs
@@ -36,7 +36,7 @@ internal static partial class IocHttpClientConfiguration
     {
         client.Timeout = Timeout.InfiniteTimeSpan;
         client.DefaultRequestHeaders.UserAgent.ParseAdd(CoreEnvironment.HoyolabUA);
-        client.DefaultRequestHeaders.Add("x-rpc-app_version", "2.34.1");
+        client.DefaultRequestHeaders.Add("x-rpc-app_version", CoreEnvironment.HoyolabXrpcVersion);
         client.DefaultRequestHeaders.Add("x-rpc-client_type", "5");
         client.DefaultRequestHeaders.Add("x-rpc-device_id", CoreEnvironment.HoyolabDeviceId);
     }
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Json/Converter/StringEnumKeyDictionaryConverter.cs b/src/Snap.Hutao/Snap.Hutao/Core/Json/Converter/StringEnumKeyDictionaryConverter.cs
index f9d93129..0d476c94 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Json/Converter/StringEnumKeyDictionaryConverter.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Json/Converter/StringEnumKeyDictionaryConverter.cs
@@ -10,7 +10,6 @@ namespace Snap.Hutao.Core.Json.Converter;
 /// <summary>
 /// Json字典转换器
 /// </summary>
-/// <typeparam name="TKeyConverter">键的类型</typeparam>
 public class StringEnumKeyDictionaryConverter : JsonConverterFactory
 {
     /// <inheritdoc/>
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/LifeCycle/Activation.cs b/src/Snap.Hutao/Snap.Hutao/Core/LifeCycle/Activation.cs
index abbbc6a3..f0214284 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/LifeCycle/Activation.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/LifeCycle/Activation.cs
@@ -13,8 +13,7 @@ namespace Snap.Hutao.Core.LifeCycle;
 /// </summary>
 internal static class Activation
 {
-    private static volatile bool isActivating = false;
-    private static object activationLock = new();
+    private static readonly SemaphoreSlim ActivateSemaphore = new(1);
 
     /// <summary>
     /// 响应激活事件
@@ -33,28 +32,13 @@ internal static class Activation
     /// <returns>任务</returns>
     private static async Task HandleActivationAsync(AppActivationArguments args)
     {
-        if (isActivating)
+        if (ActivateSemaphore.CurrentCount > 0)
         {
-            lock (activationLock)
+            using (await ActivateSemaphore.EnterAsync().ConfigureAwait(false))
             {
-                if (isActivating)
-                {
-                    return;
-                }
+                await HandleActivationCoreAsync(args).ConfigureAwait(false);
             }
         }
-
-        lock (activationLock)
-        {
-            isActivating = true;
-        }
-
-        await HandleActivationCoreAsync(args).ConfigureAwait(false);
-
-        lock (activationLock)
-        {
-            isActivating = false;
-        }
     }
 
     private static async Task HandleActivationCoreAsync(AppActivationArguments args)
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Logging/DatebaseLogger.cs b/src/Snap.Hutao/Snap.Hutao/Core/Logging/DatebaseLogger.cs
index d0167cd9..cceeef1b 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Logging/DatebaseLogger.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Logging/DatebaseLogger.cs
@@ -54,18 +54,19 @@ internal sealed partial class DatebaseLogger : ILogger
             return;
         }
 
+        LogEntry entry = new()
+        {
+            Category = name,
+            LogLevel = logLevel,
+            EventId = eventId.Id,
+            Message = message,
+            Exception = exception?.ToString(),
+        };
+
         // DbContext is not a thread safe class, so we have to lock the wirte procedure
         lock (logDbContextLock)
         {
-            logDbContext.Logs.Add(new LogEntry
-            {
-                Category = name,
-                LogLevel = logLevel,
-                EventId = eventId.Id,
-                Message = message,
-                Exception = exception?.ToString(),
-            });
-
+            logDbContext.Logs.Add(entry);
             logDbContext.SaveChanges();
         }
     }
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Logging/DatebaseLoggerProvider.cs b/src/Snap.Hutao/Snap.Hutao/Core/Logging/DatebaseLoggerProvider.cs
index 00df85e9..50601e68 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Logging/DatebaseLoggerProvider.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Logging/DatebaseLoggerProvider.cs
@@ -10,14 +10,14 @@ using System.Linq;
 namespace Snap.Hutao.Core.Logging;
 
 /// <summary>
-/// The provider for the <see cref="DebugLogger"/>.
+/// The provider for the <see cref="DatebaseLogger"/>.
 /// </summary>
 [ProviderAlias("Database")]
 public sealed class DatebaseLoggerProvider : ILoggerProvider
 {
     private static readonly object LogDbContextLock = new();
 
-    // the provider is created per logger, we don't want to create to much
+    // the provider is created per logger, we don't want to create too much
     private static volatile LogDbContext? logDbContext;
 
     private static LogDbContext LogDbContext
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Logging/EventIds.cs b/src/Snap.Hutao/Snap.Hutao/Core/Logging/EventIds.cs
index 143d413e..635f6026 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Logging/EventIds.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Logging/EventIds.cs
@@ -6,9 +6,10 @@ namespace Snap.Hutao.Core.Logging;
 /// <summary>
 /// 事件Id定义
 /// </summary>
+[SuppressMessage("", "SA1124")]
 internal static class EventIds
 {
-    // 异常
+    #region 异常
 
     /// <summary>
     /// 未经处理的异常
@@ -44,8 +45,9 @@ internal static class EventIds
     /// Xaml绑定错误
     /// </summary>
     public static readonly EventId UnobservedTaskException = 100006;
+    #endregion
 
-    // 服务
+    #region 服务
 
     /// <summary>
     /// 导航历史
@@ -73,11 +75,17 @@ internal static class EventIds
     public static readonly EventId FileCaching = 100120;
 
     /// <summary>
-    /// 文件缓存
+    /// 删除缓存文件
+    /// </summary>
+    public static readonly EventId CacheRemoveFile = 100121;
+
+    /// <summary>
+    /// 成就
     /// </summary>
     public static readonly EventId Achievement = 100130;
+    #endregion
 
-    // 杂项
+    #region 杂项
 
     /// <summary>
     /// 杂项Log
@@ -93,4 +101,5 @@ internal static class EventIds
     /// 子类控制
     /// </summary>
     public static readonly EventId SubClassing = 200002;
+    #endregion
 }
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Setting/LocalSetting.cs b/src/Snap.Hutao/Snap.Hutao/Core/Setting/LocalSetting.cs
index 86ff7f43..91555939 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Setting/LocalSetting.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Setting/LocalSetting.cs
@@ -28,10 +28,12 @@ internal static class LocalSetting
     /// <param name="key">键</param>
     /// <param name="defaultValue">默认值</param>
     /// <returns>获取的值</returns>
-    public static T? Get<T>(string key, T? defaultValue = default)
+    [return:MaybeNull]
+    public static T Get<T>(string key, [AllowNull] T defaultValue = default)
     {
         if (Container.Values.TryGetValue(key, out object? value))
         {
+            // unbox the value
             return value is null ? defaultValue : (T)value;
         }
         else
@@ -48,9 +50,8 @@ internal static class LocalSetting
     /// <param name="key">键</param>
     /// <param name="value">值</param>
     /// <returns>设置的值</returns>
-    public static T Set<T>(string key, T value)
+    public static object? Set<T>(string key, T value)
     {
-        Container.Values[key] = value;
-        return value;
+        return Container.Values[key] = value;
     }
 }
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/IAwaitable.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/IAwaitable.cs
new file mode 100644
index 00000000..959aaa72
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/IAwaitable.cs
@@ -0,0 +1,35 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+namespace Snap.Hutao.Core.Threading.Abstraction;
+
+/// <summary>
+/// 表示一个可等待对象，如果一个方法返回此类型的实例，则此方法可以使用 <see langword="await"/> 异步等待。
+/// </summary>
+/// <typeparam name="TAwaiter">用于给 await 确定返回时机的 IAwaiter 的实例。</typeparam>
+public interface IAwaitable<out TAwaiter>
+    where TAwaiter : IAwaiter
+{
+    /// <summary>
+    /// 获取一个可用于 await 关键字异步等待的异步等待对象。
+    /// 此方法会被编译器自动调用。
+    /// </summary>
+    /// <returns>等待器</returns>
+    TAwaiter GetAwaiter();
+}
+
+/// <summary>
+/// 表示一个包含返回值的可等待对象，如果一个方法返回此类型的实例，则此方法可以使用 <see langword="await"/> 异步等待返回值。
+/// </summary>
+/// <typeparam name="TAwaiter">用于给 await 确定返回时机的 <see cref="IAwaiter{TResult}"/> 的实例。</typeparam>
+/// <typeparam name="TResult">异步返回的返回值类型。</typeparam>
+public interface IAwaitable<out TAwaiter, out TResult>
+    where TAwaiter : IAwaiter<TResult>
+{
+    /// <summary>
+    /// 获取一个可用于 await 关键字异步等待的异步等待对象。
+    /// 此方法会被编译器自动调用。
+    /// </summary>
+    /// <returns>等待器</returns>
+    TAwaiter GetAwaiter();
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/IAwaiter.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/IAwaiter.cs
new file mode 100644
index 00000000..427821bf
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/IAwaiter.cs
@@ -0,0 +1,42 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+using System.Runtime.CompilerServices;
+
+namespace Snap.Hutao.Core.Threading.Abstraction;
+
+/// <summary>
+/// 用于给 await 确定异步返回的时机。
+/// </summary>
+public interface IAwaiter : INotifyCompletion
+{
+    /// <summary>
+    /// 获取一个状态，该状态表示正在异步等待的操作已经完成（成功完成或发生了异常）；此状态会被编译器自动调用。
+    /// 在实现中，为了达到各种效果，可以灵活应用其值：可以始终为 true，或者始终为 false。
+    /// </summary>
+    bool IsCompleted { get; }
+
+    /// <summary>
+    /// 此方法会被编译器在 await 结束时自动调用以获取返回状态（包括异常）。
+    /// </summary>
+    void GetResult();
+}
+
+/// <summary>
+/// 用于给 await 确定异步返回的时机，并获取到返回值。
+/// </summary>
+/// <typeparam name="TResult">异步返回的返回值类型。</typeparam>
+public interface IAwaiter<out TResult> : INotifyCompletion
+{
+    /// <summary>
+    /// 获取一个状态，该状态表示正在异步等待的操作已经完成（成功完成或发生了异常）；此状态会被编译器自动调用。
+    /// 在实现中，为了达到各种效果，可以灵活应用其值：可以始终为 true，或者始终为 false。
+    /// </summary>
+    bool IsCompleted { get; }
+
+    /// <summary>
+    /// 获取此异步等待操作的返回值，此方法会被编译器在 await 结束时自动调用以获取返回值（包括异常）。
+    /// </summary>
+    /// <returns>异步操作的返回值。</returns>
+    TResult GetResult();
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/ICriticalAwaiter.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/ICriticalAwaiter.cs
new file mode 100644
index 00000000..4d0b04f2
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Threading/Abstraction/ICriticalAwaiter.cs
@@ -0,0 +1,23 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+using System.Runtime.CompilerServices;
+
+namespace Snap.Hutao.Core.Threading.Abstraction;
+
+/// <summary>
+/// 当执行关键代码（此代码中的错误可能给应用程序中的其他状态造成负面影响）时，
+/// 用于给 await 确定异步返回的时机。
+/// </summary>
+public interface ICriticalAwaiter : IAwaiter, ICriticalNotifyCompletion
+{
+}
+
+/// <summary>
+/// 当执行关键代码（此代码中的错误可能给应用程序中的其他状态造成负面影响）时，
+/// 用于给 await 确定异步返回的时机，并获取到返回值。
+/// </summary>
+/// <typeparam name="TResult">异步返回的返回值类型。</typeparam>
+public interface ICriticalAwaiter<out TResult> : IAwaiter<TResult>, ICriticalNotifyCompletion
+{
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/ConcurrentCancellationTokenSource.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/ConcurrentCancellationTokenSource.cs
index 7ef0a398..1bb621d1 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Threading/ConcurrentCancellationTokenSource.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Threading/ConcurrentCancellationTokenSource.cs
@@ -21,13 +21,11 @@ internal class ConcurrentCancellationTokenSource<TItem>
     /// <returns>取消令牌</returns>
     public CancellationToken Register(TItem item)
     {
-        if (waitingItems.TryRemove(item, out CancellationTokenSource? prevSource))
+        if (waitingItems.TryRemove(item, out CancellationTokenSource? previousSource))
         {
-            prevSource.Cancel();
+            previousSource.Cancel();
         }
 
-        CancellationTokenSource current = waitingItems.GetOrAdd(item, new CancellationTokenSource());
-
-        return current.Token;
+        return waitingItems.GetOrAdd(item, new CancellationTokenSource()).Token;
     }
 }
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/DispatherQueueSwitchOperation.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/DispatherQueueSwitchOperation.cs
new file mode 100644
index 00000000..84d483a9
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Threading/DispatherQueueSwitchOperation.cs
@@ -0,0 +1,49 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+using Microsoft.UI.Dispatching;
+using Snap.Hutao.Core.Threading.Abstraction;
+
+namespace Snap.Hutao.Core.Threading;
+
+/// <summary>
+/// 调度器队列切换操作
+/// </summary>
+public struct DispatherQueueSwitchOperation : IAwaitable<DispatherQueueSwitchOperation>, IAwaiter
+{
+    private readonly DispatcherQueue dispatherQueue;
+
+    /// <summary>
+    /// 构造一个新的同步上下文等待器
+    /// </summary>
+    /// <param name="dispatherQueue">同步上下文</param>
+    public DispatherQueueSwitchOperation(DispatcherQueue dispatherQueue)
+    {
+        this.dispatherQueue = dispatherQueue;
+    }
+
+    /// <summary>
+    /// 是否完成
+    /// </summary>
+    public bool IsCompleted => dispatherQueue.HasThreadAccess;
+
+    /// <inheritdoc/>
+    public void OnCompleted(Action continuation)
+    {
+        dispatherQueue.TryEnqueue(() => { continuation(); });
+    }
+
+    /// <inheritdoc/>
+    public void GetResult()
+    {
+    }
+
+    /// <summary>
+    /// 获取等待器
+    /// </summary>
+    /// <returns>等待器</returns>
+    public DispatherQueueSwitchOperation GetAwaiter()
+    {
+        return this;
+    }
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/Results.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/Results.cs
deleted file mode 100644
index b6c56d02..00000000
--- a/src/Snap.Hutao/Snap.Hutao/Core/Threading/Results.cs
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) DGP Studio. All rights reserved.
-// Licensed under the MIT license.
-
-namespace Snap.Hutao.Core.Threading;
-
-/// <summary>
-/// 构造复杂的结果
-/// </summary>
-public static class Results
-{
-    /// <summary>
-    /// 根据条件构造结果
-    /// </summary>
-    /// <typeparam name="T">结果的类型</typeparam>
-    /// <param name="condition">条件</param>
-    /// <param name="trueValue">条件符合时的值</param>
-    /// <param name="falseValue">条件不符合时的值</param>
-    /// <returns>结果</returns>
-    public static Result<bool, T> Condition<T>(bool condition, T trueValue, T falseValue)
-        where T : notnull
-    {
-        return new(condition, condition ? trueValue : falseValue);
-    }
-}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/SynchronizationContextAwaitable.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/SynchronizationContextAwaitable.cs
deleted file mode 100644
index d131549e..00000000
--- a/src/Snap.Hutao/Snap.Hutao/Core/Threading/SynchronizationContextAwaitable.cs
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright (c) DGP Studio. All rights reserved.
-// Licensed under the MIT license.
-
-namespace Snap.Hutao.Core.Threading;
-
-/// <summary>
-/// 同步上下文等待体
-/// </summary>
-public struct SynchronizationContextAwaitable
-{
-    private readonly SynchronizationContext context;
-
-    /// <summary>
-    /// 构造一个新的同步上下文等待体
-    /// </summary>
-    /// <param name="context">同步上下文</param>
-    public SynchronizationContextAwaitable(SynchronizationContext context)
-    {
-        this.context = context;
-    }
-
-    /// <summary>
-    /// 获取等待器
-    /// </summary>
-    /// <returns>等待器</returns>
-    public SynchronizationContextAwaiter GetAwaiter()
-    {
-        return new SynchronizationContextAwaiter(context);
-    }
-}
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/SynchronizationContextAwaiter.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/SynchronizationContextAwaiter.cs
deleted file mode 100644
index e735fbcd..00000000
--- a/src/Snap.Hutao/Snap.Hutao/Core/Threading/SynchronizationContextAwaiter.cs
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright (c) DGP Studio. All rights reserved.
-// Licensed under the MIT license.
-
-using System.Runtime.CompilerServices;
-
-namespace Snap.Hutao.Core.Threading;
-
-/// <summary>
-/// 同步上下文等待器
-/// </summary>
-public struct SynchronizationContextAwaiter : INotifyCompletion
-{
-    private static readonly SendOrPostCallback PostCallback = state => ((Action)state!)();
-    private readonly SynchronizationContext context;
-
-    /// <summary>
-    /// 构造一个新的同步上下文等待器
-    /// </summary>
-    /// <param name="context">同步上下文</param>
-    public SynchronizationContextAwaiter(SynchronizationContext context)
-    {
-        this.context = context;
-    }
-
-    /// <summary>
-    /// 是否完成
-    /// </summary>
-    public bool IsCompleted => context == SynchronizationContext.Current;
-
-    /// <summary>
-    /// 完成操作
-    /// </summary>
-    /// <param name="continuation">后续操作</param>
-    [SuppressMessage("", "VSTHRD001")]
-    public void OnCompleted(Action continuation) => context.Post(PostCallback, continuation);
-
-    /// <summary>
-    /// 获取执行结果
-    /// </summary>
-    public void GetResult()
-    {
-    }
-}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Extension/CompositionExtensions.cs b/src/Snap.Hutao/Snap.Hutao/Extension/CompositionExtensions.cs
index 52a35d2b..6f64d469 100644
--- a/src/Snap.Hutao/Snap.Hutao/Extension/CompositionExtensions.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Extension/CompositionExtensions.cs
@@ -60,7 +60,9 @@ internal static class CompositionExtensions
     /// <param name="compositor">合成器</param>
     /// <param name="source">源</param>
     /// <returns>合成效果画刷</returns>
-    public static CompositionEffectBrush CompositeGrayScaleEffectBrush(this Compositor compositor, CompositionBrush source)
+    public static CompositionEffectBrush CompositeGrayScaleEffectBrush(
+        this Compositor compositor,
+        CompositionBrush source)
     {
         GrayscaleEffect effect = new()
         {
diff --git a/src/Snap.Hutao/Snap.Hutao/Program.cs b/src/Snap.Hutao/Snap.Hutao/Program.cs
index 32e63b58..60c7c8a6 100644
--- a/src/Snap.Hutao/Snap.Hutao/Program.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Program.cs
@@ -15,23 +15,14 @@ namespace Snap.Hutao;
 public static class Program
 {
     private static volatile DispatcherQueue? dispatcherQueue;
-    private static volatile SynchronizationContext? context;
-
-    /// <summary>
-    /// 主线程调度器队列
-    /// </summary>
-    public static DispatcherQueue UIDispatcherQueue
-    {
-        get => Must.NotNull(dispatcherQueue!);
-    }
 
     /// <summary>
     /// 异步切换到主线程
     /// </summary>
     /// <returns>等待体</returns>
-    public static SynchronizationContextAwaitable SwitchToMainThreadAsync()
+    public static DispatherQueueSwitchOperation SwitchToMainThreadAsync()
     {
-        return new SynchronizationContextAwaitable(context!);
+        return new(dispatcherQueue!);
     }
 
     [DllImport("Microsoft.ui.xaml.dll")]
@@ -47,7 +38,7 @@ public static class Program
         Application.Start(p =>
         {
             dispatcherQueue = DispatcherQueue.GetForCurrentThread();
-            context = new DispatcherQueueSynchronizationContext(dispatcherQueue);
+            DispatcherQueueSynchronizationContext context = new(dispatcherQueue);
             SynchronizationContext.SetSynchronizationContext(context);
             _ = new App();
         });
diff --git a/src/Snap.Hutao/Snap.Hutao/Service/Sign/ISignService.cs b/src/Snap.Hutao/Snap.Hutao/Service/Sign/ISignService.cs
new file mode 100644
index 00000000..2f636486
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Service/Sign/ISignService.cs
@@ -0,0 +1,17 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+namespace Snap.Hutao.Service.Sign;
+
+/// <summary>
+/// 签到服务
+/// </summary>
+public interface ISignService
+{
+    /// <summary>
+    /// 异步全部签到
+    /// </summary>
+    /// <param name="token">取消令牌</param>
+    /// <returns>任务</returns>
+    Task<SignResult> SignForAllAsync(CancellationToken token);
+}
diff --git a/src/Snap.Hutao/Snap.Hutao/Service/Sign/SignResult.cs b/src/Snap.Hutao/Snap.Hutao/Service/Sign/SignResult.cs
new file mode 100644
index 00000000..621f6fb6
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Service/Sign/SignResult.cs
@@ -0,0 +1,37 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+namespace Snap.Hutao.Service.Sign;
+
+/// <summary>
+/// 签到操作结果
+/// </summary>
+public struct SignResult
+{
+    /// <summary>
+    /// 构造一个新的签到操作结果
+    /// </summary>
+    /// <param name="totalCount">总次数</param>
+    /// <param name="retryCount">重试次数</param>
+    public SignResult(int totalCount, int retryCount, TimeSpan time)
+    {
+        TotalCount = totalCount;
+        RetryCount = retryCount;
+        Time = time;
+    }
+
+    /// <summary>
+    /// 总次数
+    /// </summary>
+    public int TotalCount { get; set; }
+
+    /// <summary>
+    /// 重试次数
+    /// </summary>
+    public int RetryCount { get; set; }
+
+    /// <summary>
+    /// 用时
+    /// </summary>
+    public TimeSpan Time { get; set; }
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Service/Sign/SignService.cs b/src/Snap.Hutao/Snap.Hutao/Service/Sign/SignService.cs
new file mode 100644
index 00000000..3b77c584
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Service/Sign/SignService.cs
@@ -0,0 +1,117 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+using Snap.Hutao.Core.Diagnostics;
+using Snap.Hutao.Service.Abstraction;
+using Snap.Hutao.Web.Hoyolab.Takumi.Binding;
+using Snap.Hutao.Web.Hoyolab.Takumi.Event.BbsSignReward;
+using Snap.Hutao.Web.Response;
+using System.Collections.Generic;
+
+namespace Snap.Hutao.Service.Sign;
+
+/// <summary>
+/// 签到服务
+/// </summary>
+[Injection(InjectAs.Transient, typeof(ISignService))]
+internal class SignService : ISignService
+{
+    private readonly IUserService userService;
+    private readonly IInfoBarService infoBarService;
+    private readonly SignClient signClient;
+
+    /// <summary>
+    /// 构造一个新的签到服务
+    /// </summary>
+    /// <param name="userService">用户服务</param>
+    /// <param name="infoBarService">信息条服务</param>
+    /// <param name="signClient">签到客户端</param>
+    public SignService(IUserService userService, IInfoBarService infoBarService, SignClient signClient)
+    {
+        this.userService = userService;
+        this.infoBarService = infoBarService;
+        this.signClient = signClient;
+    }
+
+    /// <inheritdoc/>
+    public async Task<SignResult> SignForAllAsync(CancellationToken token)
+    {
+        IEnumerable<Model.Binding.User>? users = await userService
+            .GetUserCollectionAsync()
+            .ConfigureAwait(false);
+        Queue<UserRole> userRolesQueue = GetSignQueue(users);
+
+        int totalCount = 0;
+        int retryCount = 0;
+        ValueStopwatch stopwatch = ValueStopwatch.StartNew();
+
+        while (userRolesQueue.TryDequeue(out UserRole current))
+        {
+            totalCount++;
+            Response<SignInResult>? resp = await signClient
+                .SignAsync(current, token)
+                .ConfigureAwait(false);
+
+            Must.NotNull(resp!);
+
+            if (resp.Data != null)
+            {
+                Must.Argument(resp.ReturnCode == 0, "返回代码应为 0");
+
+                // Geetest applied
+                if (resp.Data.Success != 0)
+                {
+                    userRolesQueue.Enqueue(current);
+                    retryCount++;
+                }
+                else
+                {
+                    infoBarService.Information($"[{current.Role}] 签到成功");
+                }
+            }
+            else
+            {
+                switch ((KnownReturnCode)resp.ReturnCode)
+                {
+                    case KnownReturnCode.OK:
+                        infoBarService.Information($"[{current.Role}] 签到成功");
+                        break;
+                    case KnownReturnCode.NotLoggedIn:
+                    case KnownReturnCode.AlreadySignedIn:
+                        infoBarService.Information($"[{current.Role}] {resp.Message}");
+                        break;
+                    case KnownReturnCode.InvalidRequest:
+                        infoBarService.Information("米游社SALT过期，请更新胡桃");
+                        break;
+                    default:
+                        throw Must.NeverHappen();
+                }
+            }
+
+            if (userRolesQueue.Count > 0)
+            {
+                int seconds = Random.Shared.Next(5, 15);
+                await Task
+                    .Delay(TimeSpan.FromSeconds(seconds), token)
+                    .ConfigureAwait(false);
+            }
+        }
+
+        return new(totalCount, retryCount, stopwatch.GetElapsedTime());
+    }
+
+    private static Queue<UserRole> GetSignQueue(IEnumerable<Model.Binding.User> users)
+    {
+        Queue<UserRole> queue = new();
+
+        foreach (Model.Binding.User user in users)
+        {
+            foreach (UserGameRole role in user.UserGameRoles)
+            {
+                queue.Enqueue(new(user, role));
+            }
+        }
+
+        return queue;
+    }
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/View/MainView.xaml.cs b/src/Snap.Hutao/Snap.Hutao/View/MainView.xaml.cs
index 9b7daeeb..c17d50c5 100644
--- a/src/Snap.Hutao/Snap.Hutao/View/MainView.xaml.cs
+++ b/src/Snap.Hutao/Snap.Hutao/View/MainView.xaml.cs
@@ -4,6 +4,7 @@
 using Microsoft.UI.Xaml.Controls;
 using Snap.Hutao.Core;
 using Snap.Hutao.Core.Logging;
+using Snap.Hutao.Extension;
 using Snap.Hutao.Service.Abstraction;
 using Snap.Hutao.Service.Navigation;
 using Snap.Hutao.View.Page;
@@ -42,11 +43,13 @@ public sealed partial class MainView : UserControl
 
     private void OnUISettingsColorValuesChanged(UISettings sender, object args)
     {
-        Program.UIDispatcherQueue.TryEnqueue(UpdateTheme);
+        UpdateThemeAsync().SafeForget();
     }
 
-    private void UpdateTheme()
+    private async Task UpdateThemeAsync()
     {
+        await Program.SwitchToMainThreadAsync();
+
         if (!ThemeHelper.Equals(App.Current.RequestedTheme, RequestedTheme))
         {
             ILogger<MainView> logger = Ioc.Default.GetRequiredService<ILogger<MainView>>();
diff --git a/src/Snap.Hutao/Snap.Hutao/View/Page/AchievementPage.xaml b/src/Snap.Hutao/Snap.Hutao/View/Page/AchievementPage.xaml
index 4a965821..aff07f7a 100644
--- a/src/Snap.Hutao/Snap.Hutao/View/Page/AchievementPage.xaml
+++ b/src/Snap.Hutao/Snap.Hutao/View/Page/AchievementPage.xaml
@@ -42,26 +42,23 @@
                     ItemsSource="{Binding Archives,Mode=OneWay}"
                     SelectedItem="{Binding SelectedArchive,Mode=TwoWay}"/>
             </AppBarElementContainer>
-            <CommandBar.SecondaryCommands>
-                <AppBarButton
-                    Icon="Add"
-                    Label="创建新存档"
-                    Command="{Binding AddArchiveCommand}"/>
-                <AppBarButton
-                    Icon="Delete"
-                    Label="删除当前存档"
-                    Command="{Binding RemoveArchiveCommand}"/>
-                <AppBarSeparator/>
-                <AppBarButton
-                    Icon="Paste"
-                    Label="从剪贴板导入"
-                    Command="{Binding ImportUIAFFromClipboardCommand}"/>
-                <AppBarButton
-                    Icon="OpenFile"
-                    Label="从UIAF文件导入"
-                    Command="{Binding ImportUIAFFromFileCommand}"/>
-            </CommandBar.SecondaryCommands>
-            
+            <AppBarButton
+                Icon="Add"
+                Label="创建新存档"
+                Command="{Binding AddArchiveCommand}"/>
+            <AppBarButton
+                Icon="Delete"
+                Label="删除当前存档"
+                Command="{Binding RemoveArchiveCommand}"/>
+            <AppBarSeparator/>
+            <AppBarButton
+                Icon="Paste"
+                Label="从剪贴板导入"
+                Command="{Binding ImportUIAFFromClipboardCommand}"/>
+            <AppBarButton
+                Icon="OpenFile"
+                Label="从UIAF文件导入"
+                Command="{Binding ImportUIAFFromFileCommand}"/>
         </CommandBar>
         <SplitView
             Grid.Row="1"
diff --git a/src/Snap.Hutao/Snap.Hutao/ViewModel/ExperimentalFeaturesViewModel.cs b/src/Snap.Hutao/Snap.Hutao/ViewModel/ExperimentalFeaturesViewModel.cs
index 4dd8d39c..987937ef 100644
--- a/src/Snap.Hutao/Snap.Hutao/ViewModel/ExperimentalFeaturesViewModel.cs
+++ b/src/Snap.Hutao/Snap.Hutao/ViewModel/ExperimentalFeaturesViewModel.cs
@@ -5,9 +5,8 @@ using CommunityToolkit.Mvvm.ComponentModel;
 using Snap.Hutao.Context.FileSystem.Location;
 using Snap.Hutao.Factory.Abstraction;
 using Snap.Hutao.Service.Abstraction;
-using Snap.Hutao.Web.Hoyolab.Takumi.Binding;
-using Snap.Hutao.Web.Hoyolab.Takumi.Event.BbsSignReward;
-using Snap.Hutao.Web.Response;
+using Snap.Hutao.Service.Sign;
+using System.Text;
 using Windows.System;
 
 namespace Snap.Hutao.ViewModel;
@@ -19,8 +18,7 @@ namespace Snap.Hutao.ViewModel;
 internal class ExperimentalFeaturesViewModel : ObservableObject
 {
     private readonly IFileSystemLocation hutaoLocation;
-    private readonly IUserService userService;
-    private readonly SignClient signClient;
+    private readonly ISignService signService;
     private readonly IInfoBarService infoBarService;
 
     /// <summary>
@@ -28,19 +26,16 @@ internal class ExperimentalFeaturesViewModel : ObservableObject
     /// </summary>
     /// <param name="asyncRelayCommandFactory">异步命令工厂</param>
     /// <param name="hutaoLocation">数据文件夹</param>
-    /// <param name="userService">用户服务</param>
-    /// <param name="signClient">签到客户端</param>
-    /// <param name="infoBarService">信息栏服务</param>
+    /// <param name="signService">签到客户端</param>
+    /// <param name="infoBarService">信息条服务</param>
     public ExperimentalFeaturesViewModel(
         IAsyncRelayCommandFactory asyncRelayCommandFactory,
         HutaoLocation hutaoLocation,
-        IUserService userService,
-        SignClient signClient,
+        ISignService signService,
         IInfoBarService infoBarService)
     {
         this.hutaoLocation = hutaoLocation;
-        this.userService = userService;
-        this.signClient = signClient;
+        this.signService = signService;
         this.infoBarService = infoBarService;
 
         OpenCacheFolderCommand = asyncRelayCommandFactory.Create(OpenCacheFolderAsync);
@@ -73,20 +68,15 @@ internal class ExperimentalFeaturesViewModel : ObservableObject
         return Launcher.LaunchFolderPathAsync(hutaoLocation.GetPath()).AsTask();
     }
 
-    private async Task SignAllUserGameRolesAsync()
+    private async Task SignAllUserGameRolesAsync(CancellationToken token)
     {
-        foreach (Model.Binding.User user in await userService.GetUserCollectionAsync())
-        {
-            foreach (UserGameRole role in user.UserGameRoles)
-            {
-                Response<SignInResult>? result = await signClient.SignAsync(user, role);
-                if (result != null)
-                {
-                    infoBarService.Information(result.Message);
-                }
+        SignResult result = await signService.SignForAllAsync(token);
 
-                await Task.Delay(TimeSpan.FromSeconds(15));
-            }
-        }
+        StringBuilder stringBuilder = new StringBuilder()
+            .Append($"签到完成 - 用时: {result.Time.TotalSeconds:F2} 秒\r\n")
+            .Append($"请求: {result.TotalCount} 次\r\n")
+            .Append($"补签: {result.RetryCount} 次");
+
+        infoBarService.Information(stringBuilder.ToString());
     }
 }
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Takumi/Event/BbsSignReward/SignClient.cs b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Takumi/Event/BbsSignReward/SignClient.cs
index d7cc6e25..9e030d3b 100644
--- a/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Takumi/Event/BbsSignReward/SignClient.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Takumi/Event/BbsSignReward/SignClient.cs
@@ -83,6 +83,17 @@ internal class SignClient
         return resp?.Data;
     }
 
+    /// <summary>
+    /// 补签
+    /// </summary>
+    /// <param name="userRole">用户角色</param>
+    /// <param name="token">取消令牌</param>
+    /// <returns>签到结果</returns>
+    public Task<Response<SignInResult>?> ReSignAsync(UserRole userRole, CancellationToken token = default)
+    {
+        return ReSignAsync(userRole.User, userRole.Role, token);
+    }
+
     /// <summary>
     /// 补签
     /// </summary>
@@ -106,13 +117,24 @@ internal class SignClient
         return resp;
     }
 
+    /// <summary>
+    /// 签到
+    /// </summary>
+    /// <param name="userRole">用户角色</param>
+    /// <param name="token">取消令牌</param>
+    /// <returns>签到结果</returns>
+    public Task<Response<SignInResult>?> SignAsync(UserRole userRole, CancellationToken token = default)
+    {
+        return SignAsync(userRole.User, userRole.Role, token);
+    }
+
     /// <summary>
     /// 签到
     /// </summary>
     /// <param name="user">用户</param>
     /// <param name="role">角色</param>
     /// <param name="token">取消令牌</param>
-    /// <returns>签到消息</returns>
+    /// <returns>签到结果</returns>
     public async Task<Response<SignInResult>?> SignAsync(User user, UserGameRole role, CancellationToken token = default)
     {
         HttpResponseMessage response = await httpClient
@@ -126,4 +148,4 @@ internal class SignClient
 
         return resp;
     }
-}
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Takumi/Event/BbsSignReward/UserRole.cs b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Takumi/Event/BbsSignReward/UserRole.cs
new file mode 100644
index 00000000..31787898
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Takumi/Event/BbsSignReward/UserRole.cs
@@ -0,0 +1,34 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+using Snap.Hutao.Model.Binding;
+using Snap.Hutao.Web.Hoyolab.Takumi.Binding;
+
+namespace Snap.Hutao.Web.Hoyolab.Takumi.Event.BbsSignReward;
+
+/// <summary>
+/// 将用户与角色捆绑在一起
+/// </summary>
+public struct UserRole
+{
+    /// <summary>
+    /// 构造一个新的用户角色
+    /// </summary>
+    /// <param name="user">用户</param>
+    /// <param name="role">角色</param>
+    public UserRole(User user, UserGameRole role)
+    {
+        User = user;
+        Role = role;
+    }
+
+    /// <summary>
+    /// 用户
+    /// </summary>
+    public User User { get; set; }
+
+    /// <summary>
+    /// 角色
+    /// </summary>
+    public UserGameRole Role { get; set; }
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs b/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs
index b18fb6ce..cff37291 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
+public enum KnownReturnCode : int
 {
     /// <summary>
     /// 无效请求
@@ -18,6 +18,11 @@ public enum KnownReturnCode
     /// </summary>
     AlreadySignedIn = -5003,
 
+    /// <summary>
+    /// 尚未登录
+    /// </summary>
+    NotLoggedIn = -100,
+
     /// <summary>
     /// 验证密钥过期
     /// </summary>