diff --git a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/tongyi/client/TongyiChatAIStreamClient.java b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/tongyi/client/TongyiChatAIStreamClient.java
index 91635b353..9e1018821 100644
--- a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/tongyi/client/TongyiChatAIStreamClient.java
+++ b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/tongyi/client/TongyiChatAIStreamClient.java
@@ -186,6 +186,7 @@ public void streamCompletions(List<FastChatMessage> chatMessages, EventSourceLis
             chatCompletionsOptions.setModel(this.model);
             Map<String, Object> parameters = new HashMap<>();
             parameters.put("result_format", "text");
+            parameters.put("incremental_output", true);
             chatCompletionsOptions.setParameters(parameters);
             TongyiChatMessage tongyiChatMessage = new TongyiChatMessage();
             tongyiChatMessage.setMessages(chatMessages);