diff --git a/src/main/java/com/ai/app/controller/DashScopeController.java b/src/main/java/com/ai/app/controller/DashScopeController.java
index eb3e713..33a3d5c 100644
--- a/src/main/java/com/ai/app/controller/DashScopeController.java
+++ b/src/main/java/com/ai/app/controller/DashScopeController.java
@@ -122,7 +122,7 @@ public class DashScopeController {
      */
     @RequestMapping(value = "/service", produces = "text/stream;charset=UTF-8")
     public Flux<String> service(String prompt, String chatId) {
-        chatHistoryService.saveHistoryChatId(ChatTypeEnum.CHAT_PDF.type, chatId);
+        chatHistoryService.saveHistoryChatId(ChatTypeEnum.CHAT_SERVICE.type, chatId);
         return serviceDashScopeChatClient
                 .prompt()
                 .user(prompt)