From 6aab24fb88ebebb6046529cb3c5931f90d049cd3 Mon Sep 17 00:00:00 2001
From: Argo Zhang <argo@live.ca>
Date: Sun, 19 Oct 2025 15:24:39 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=20=E6=9B=B4=E6=94=B9=E4=B8=BA=20TryAd?=
 =?UTF-8?q?dSingleton=20=E9=98=B2=E6=AD=A2=E9=87=8D=E5=A4=8D=E6=B3=A8?=
 =?UTF-8?q?=E5=86=8C?=
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---
 .../IP2Region.Net/Extensions/ServiceCollectionExtensions.cs  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/binding/csharp/IP2Region.Net/Extensions/ServiceCollectionExtensions.cs b/binding/csharp/IP2Region.Net/Extensions/ServiceCollectionExtensions.cs
index 7a2f0f4..6f4ddde 100644
--- a/binding/csharp/IP2Region.Net/Extensions/ServiceCollectionExtensions.cs
+++ b/binding/csharp/IP2Region.Net/Extensions/ServiceCollectionExtensions.cs
@@ -1,5 +1,6 @@
 using IP2Region.Net.Abstractions;
 using IP2Region.Net.XDB;
+using Microsoft.Extensions.DependencyInjection.Extensions;
 
 namespace Microsoft.Extensions.DependencyInjection;
 
@@ -14,12 +15,12 @@ public static class IP2RegionExtensions
     /// <param name="services"></param>
     public static IServiceCollection AddIP2RegionService(this IServiceCollection services, string path, CachePolicy cachePolicy = CachePolicy.Content)
     {
-        services.AddSingleton<ISearcher>(provider =>
+        services.TryAddSingleton<ISearcher>(provider =>
         {
             return new Searcher(cachePolicy, path);
         });
 #if NET8_0_OR_GREATER
-        services.AddKeyedSingleton("IP2Region.Net", (provider, _) =>
+        services.TryAddKeyedSingleton("IP2Region.Net", (provider, _) =>
         {
             return provider.GetRequiredService<ISearcher>();
         });