diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Database/ScopedDbCurrent.cs b/src/Snap.Hutao/Snap.Hutao/Core/Database/ScopedDbCurrent.cs
index 27a8c5c5..271ee806 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Database/ScopedDbCurrent.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Database/ScopedDbCurrent.cs
@@ -38,6 +38,11 @@ internal sealed partial class ScopedDbCurrent<TEntity, TMessage>
                 return;
             }
 
+            if (serviceProvider.IsDisposedSlow())
+            {
+                return;
+            }
+
             // TODO: Troubeshooting why the serviceProvider will NRE
             using (IServiceScope scope = serviceProvider.CreateScope())
             {
@@ -92,6 +97,11 @@ internal sealed partial class ScopedDbCurrent<TEntityOnly, TEntity, TMessage>
                 return;
             }
 
+            if (serviceProvider.IsDisposedSlow())
+            {
+                return;
+            }
+
             // TODO: Troubeshooting why the serviceProvider will NRE
             using (IServiceScope scope = serviceProvider.CreateScope())
             {
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/EnumerableServiceExtension.cs b/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/EnumerableServiceExtension.cs
deleted file mode 100644
index 44ddf98d..00000000
--- a/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/EnumerableServiceExtension.cs
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright (c) DGP Studio. All rights reserved.
-// Licensed under the MIT license.
-
-using Snap.Hutao.Core.DependencyInjection.Abstraction;
-using System.Runtime.CompilerServices;
-
-namespace Snap.Hutao.Core.DependencyInjection;
-
-/// <summary>
-/// 服务集合扩展
-/// </summary>
-internal static class EnumerableServiceExtension
-{
-    /// <summary>
-    /// 选择对应的服务
-    /// </summary>
-    /// <typeparam name="TService">服务类型</typeparam>
-    /// <param name="services">服务集合</param>
-    /// <param name="isOversea">是否为海外服/Hoyolab</param>
-    /// <returns>对应的服务</returns>
-    [Obsolete("该方法会导致不必要的服务实例化")]
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public static TService Pick<TService>(this IEnumerable<TService> services, bool isOversea)
-        where TService : IOverseaSupport
-    {
-        return services.Single(s => s.IsOversea == isOversea);
-    }
-
-    /// <summary>
-    /// 选择对应的服务
-    /// </summary>
-    /// <typeparam name="TService">服务类型</typeparam>
-    /// <param name="serviceProvider">服务提供器</param>
-    /// <param name="isOversea">是否为海外服/Hoyolab</param>
-    /// <returns>对应的服务</returns>
-    [Obsolete("该方法会导致不必要的服务实例化")]
-    public static TService PickRequiredService<TService>(this IServiceProvider serviceProvider, bool isOversea)
-        where TService : IOverseaSupport
-    {
-        return serviceProvider.GetRequiredService<IEnumerable<TService>>().Pick(isOversea);
-    }
-}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/ServiceProviderExtension.cs b/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/ServiceProviderExtension.cs
index f7d15aa4..d0bc7384 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/ServiceProviderExtension.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/DependencyInjection/ServiceProviderExtension.cs
@@ -16,4 +16,10 @@ internal static class ServiceProviderExtension
     {
         return ActivatorUtilities.CreateInstance<T>(serviceProvider, parameters);
     }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static bool IsDisposedSlow(this IServiceProvider serviceProvider)
+    {
+        return serviceProvider.GetType().GetField("_disposed")?.GetValue(serviceProvider) is true;
+    }
 }
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Extension/UnsafeDateTimeOffset.cs b/src/Snap.Hutao/Snap.Hutao/Core/UnsafeDateTimeOffset.cs
similarity index 95%
rename from src/Snap.Hutao/Snap.Hutao/Extension/UnsafeDateTimeOffset.cs
rename to src/Snap.Hutao/Snap.Hutao/Core/UnsafeDateTimeOffset.cs
index 854b29eb..92b408dc 100644
--- a/src/Snap.Hutao/Snap.Hutao/Extension/UnsafeDateTimeOffset.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/UnsafeDateTimeOffset.cs
@@ -1,7 +1,7 @@
 // Copyright (c) DGP Studio. All rights reserved.
 // Licensed under the MIT license.
 
-namespace Snap.Hutao.Extension;
+namespace Snap.Hutao.Core;
 
 internal struct UnsafeDateTimeOffset
 {
diff --git a/src/Snap.Hutao/Snap.Hutao/Model/InterChange/GachaLog/UIGF.cs b/src/Snap.Hutao/Snap.Hutao/Model/InterChange/GachaLog/UIGF.cs
index a29b8471..1733be16 100644
--- a/src/Snap.Hutao/Snap.Hutao/Model/InterChange/GachaLog/UIGF.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Model/InterChange/GachaLog/UIGF.cs
@@ -1,6 +1,7 @@
 // Copyright (c) DGP Studio. All rights reserved.
 // Licensed under the MIT license.
 
+using Snap.Hutao.Core;
 using Snap.Hutao.Web.Hoyolab;
 using System.Runtime.InteropServices;
 
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Hk4e/Common/Announcement/AnnouncementWrapper.cs b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Hk4e/Common/Announcement/AnnouncementWrapper.cs
index ce675358..0d32391e 100644
--- a/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Hk4e/Common/Announcement/AnnouncementWrapper.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Hk4e/Common/Announcement/AnnouncementWrapper.cs
@@ -1,6 +1,7 @@
 // Copyright (c) DGP Studio. All rights reserved.
 // Licensed under the MIT license.
 
+using Snap.Hutao.Core;
 using Snap.Hutao.Web.Response;
 
 namespace Snap.Hutao.Web.Hoyolab.Hk4e.Common.Announcement;