diff --git a/src/main/java/com/huangge1199/ai/config/LangChainConfig.java b/src/main/java/com/huangge1199/ai/config/LangChainConfig.java
index 4f7ffcc..5278a5c 100644
--- a/src/main/java/com/huangge1199/ai/config/LangChainConfig.java
+++ b/src/main/java/com/huangge1199/ai/config/LangChainConfig.java
@@ -27,6 +27,7 @@ public class LangChainConfig {
         return AiServices.builder(LangChainService.class)
                 .chatModel(qwenChatModel)
                 .chatMemory(chatMemory)
+                .chatMemoryProvider(memoryId->MessageWindowChatMemory.withMaxMessages(10))
                 .build();
     }
 }