diff --git a/framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/CurrentApiVersionInfo.cs b/framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/CurrentApiVersionInfo.cs
index bd3ea89abf..f56e9e893a 100644
--- a/framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/CurrentApiVersionInfo.cs
+++ b/framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/CurrentApiVersionInfo.cs
@@ -4,7 +4,7 @@ using Volo.Abp.DependencyInjection;
 
 namespace Volo.Abp.Http.Client.ClientProxying;
 
-public class CurrentApiVersionInfo : ICurrentApiVersionInfo, ITransientDependency
+public class CurrentApiVersionInfo : ICurrentApiVersionInfo, ISingletonDependency
 {
     public ApiVersionInfo ApiVersionInfo => _currentApiVersionInfo.Value;
 
diff --git a/framework/src/Volo.Abp.Http/Volo/Abp/Http/ProxyScripting/Generators/JQuery/JQueryProxyScriptGenerator.cs b/framework/src/Volo.Abp.Http/Volo/Abp/Http/ProxyScripting/Generators/JQuery/JQueryProxyScriptGenerator.cs
index 9917713d34..d51ff5fe65 100644
--- a/framework/src/Volo.Abp.Http/Volo/Abp/Http/ProxyScripting/Generators/JQuery/JQueryProxyScriptGenerator.cs
+++ b/framework/src/Volo.Abp.Http/Volo/Abp/Http/ProxyScripting/Generators/JQuery/JQueryProxyScriptGenerator.cs
@@ -114,7 +114,7 @@ public class JQueryProxyScriptGenerator : IProxyScriptGenerator, ITransientDepen
         if (versionParam != null)
         {
             var version = FindBestApiVersion(action);
-            script.AppendLine($"      var {ProxyScriptingJsFuncHelper.NormalizeJsVariableName(versionParam.Name)} = '{version}';");
+            script.AppendLine($"      var {ProxyScriptingJsFuncHelper.NormalizeJsVariableName(versionParam.Name)} = api_version ? api_version : '{version}';");
         }
 
         script.AppendLine("      return abp.ajax($.extend(true, {");