From f15d152f453535dc8782df773fecff444ac508b2 Mon Sep 17 00:00:00 2001
From: timge <gexiang@gmail.com>
Date: Fri, 6 Oct 2023 17:02:16 +0800
Subject: [PATCH] Async functions do not return a Task type. If the parameter
 is empty, an exception will be returned. System.NullReferenceException

---
 .../Volo/Abp/Http/DynamicProxying/TestObjectToQueryString.cs    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/framework/test/Volo.Abp.Http.Client.Tests/Volo/Abp/Http/DynamicProxying/TestObjectToQueryString.cs b/framework/test/Volo.Abp.Http.Client.Tests/Volo/Abp/Http/DynamicProxying/TestObjectToQueryString.cs
index a27528cb77..e59d69953b 100644
--- a/framework/test/Volo.Abp.Http.Client.Tests/Volo/Abp/Http/DynamicProxying/TestObjectToQueryString.cs
+++ b/framework/test/Volo.Abp.Http.Client.Tests/Volo/Abp/Http/DynamicProxying/TestObjectToQueryString.cs
@@ -14,7 +14,7 @@ public class TestObjectToQueryString : IObjectToQueryString<List<GetParamsNameVa
     {
         if (values.IsNullOrEmpty())
         {
-            return null;
+            return Task.FromResult<string>(null);
         }
 
         var sb = new StringBuilder();