diff --git a/src/main/java/com/huangge1199/ai/config/LangChainConfig.java b/src/main/java/com/huangge1199/ai/config/LangChainConfig.java
index 68f1141..4f7ffcc 100644
--- a/src/main/java/com/huangge1199/ai/config/LangChainConfig.java
+++ b/src/main/java/com/huangge1199/ai/config/LangChainConfig.java
@@ -1,6 +1,8 @@
 package com.huangge1199.ai.config;
 
 import com.huangge1199.ai.service.LangChainService;
+import dev.langchain4j.memory.ChatMemory;
+import dev.langchain4j.memory.chat.MessageWindowChatMemory;
 import dev.langchain4j.model.chat.ChatModel;
 import dev.langchain4j.service.AiServices;
 import jakarta.annotation.Resource;
@@ -21,6 +23,10 @@ public class LangChainConfig {
 
     @Bean
     public LangChainService langChainService() {
-        return AiServices.create(LangChainService.class, qwenChatModel);
+        ChatMemory chatMemory = MessageWindowChatMemory.withMaxMessages(10);
+        return AiServices.builder(LangChainService.class)
+                .chatModel(qwenChatModel)
+                .chatMemory(chatMemory)
+                .build();
     }
 }