fix

virgo.api/src/main/java/com/bosshand/virgo/api/workark/service/DifyService.java

@@ -667,7 +667,7 @@ public class DifyService {
 
         // 获取会话历史消息
         try {
-            MessageListResponse messages = chatClient.getMessages(conversationId, userContext.getUserName() + "-" + userContext.getUserId(), null, 10);
+            MessageListResponse messages = chatClient.getMessages(conversationId, userContext.getUserName() + "-" + userContext.getUserId(), null, 50);
             return messages;
         } catch (IOException e) {
             e.printStackTrace();