diff --git a/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/AiChatService.cs b/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/AiChatService.cs
index ec75cb75..1fefc569 100644
--- a/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/AiChatService.cs
+++ b/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/AiChatService.cs
@@ -60,7 +60,7 @@ public class AiChatService : ApplicationService
     public async Task<List<ModelGetListOutput>> GetModelAsync()
     {
         var output = await _aiModelRepository._DbQueryable
-            .OrderBy(x=>x.OrderNum)
+            .OrderByDescending(x=>x.OrderNum)
             .Select(x => new ModelGetListOutput
         {
             Id = x.Id,