diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/SKIT.FlurlHttpClient.Wechat.TenpayV2.csproj b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/SKIT.FlurlHttpClient.Wechat.TenpayV2.csproj
index 0ea90a01..dae742e4 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/SKIT.FlurlHttpClient.Wechat.TenpayV2.csproj
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/SKIT.FlurlHttpClient.Wechat.TenpayV2.csproj
@@ -41,7 +41,6 @@
 
     <ItemGroup>
         <PackageReference Include="SKIT.FlurlHttpClient.Common" Version="3.1.0" />
-        <PackageReference Include="System.Net.Http.WinHttpHandler" Version="8.0.1" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
     </ItemGroup>
 
 </Project>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Settings/WechatpayHttpHandler.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Settings/WechatpayHttpHandler.cs
index d3af7ea1..2e9c6f3b 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Settings/WechatpayHttpHandler.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Settings/WechatpayHttpHandler.cs
@@ -15,13 +15,13 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV2.Settings
             handler.SslOptions = new SslClientAuthenticationOptions() { RemoteCertificateValidationCallback = static (_, _, _, _) => true };
 #elif NET471_OR_GREATER
             HttpClientHandler handler = new HttpClientHandler();
-            handler.ServerCertificateCustomValidationCallback = static (_, _, _, sslPolicyErrors) => sslPolicyErrors == SslPolicyErrors.None;
+            handler.ServerCertificateCustomValidationCallback = static (_, _, _, _) => true;
 #elif NET462_OR_GREATER
             WebRequestHandler handler = new WebRequestHandler();
             handler.ServerCertificateValidationCallback = static (_, _, _, _) => true;
 #else
-            WinHttpHandler handler = new WinHttpHandler();
-            handler.ServerCertificateValidationCallback = static (_, _, _, _) => true;
+            HttpClientHandler handler = new HttpClientHandler();
+            handler.ServerCertificateCustomValidationCallback = static (_, _, _, _) => true;
 #endif
 
             if (certificateBytes is not null)