diff --git a/backend/ai_services/services.py b/backend/ai_services/services.py
index 223d876..4b7d89c 100644
--- a/backend/ai_services/services.py
+++ b/backend/ai_services/services.py
@@ -104,7 +104,10 @@ class AliyunTingwuService:
                     "TargetAudioFormat": "mp3"
                 },
                 "AutoChaptersEnabled": True,
-                "SummarizationEnabled": True 
+                "SummarizationEnabled": True,
+                "Summarization": {
+                    "Types": ["Paragraph", "Conversational", "QuestionsAnswering", "MindMap"]
+                } 
             }
         }