diff --git a/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/YiFrameworkAiHubDomainModule.cs b/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/YiFrameworkAiHubDomainModule.cs
index cc30fb16..725a9891 100644
--- a/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/YiFrameworkAiHubDomainModule.cs
+++ b/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/YiFrameworkAiHubDomainModule.cs
@@ -80,6 +80,7 @@ namespace Yi.Framework.AiHub.Domain
                     {
                         request.Temperature = null;
                         request.TopP = null;
+                        request.MaxTokens = null;
                     }
                 });
                 options.Handles.Add(request =>