feat: 新增文件夹

Yi.Abp.Net8/module/chat-hub/Yi.Framework.ChatHub.Domain/Managers/AiManager.cs

@@ -27,7 +27,7 @@ namespace Yi.Framework.ChatHub.Domain.Managers
             
             var openSettings = new AzureOpenAIPromptExecutionSettings()
             {
-                MaxTokens = 1000,
+                MaxTokens = 3000,
                 //MaxTokens = 1000
             };
 
@@ -51,14 +51,9 @@ namespace Yi.Framework.ChatHub.Domain.Managers
                 executionSettings: openSettings,
                 kernel: _client.Kernel);
             
-            if (results is null)
-            {
-                yield return null;
-            }
-
             await foreach (var result in results)
             {
-                yield return result.Content;
+                yield return result?.Content;
             }
         }
     }