diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/ModelService.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/ModelService.java
index 6bc405704..f65ff0cea 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/ModelService.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/ModelService.java
@@ -288,7 +288,11 @@ public class ModelService {
                             .data(content, MediaType.TEXT_EVENT_STREAM)
                     );
                 }
-                result.append(content);
+                ChatReqVO chatReqVO = JSONObject.parseObject(content, ChatReqVO.class);
+                if (content!=null){
+                    result.append(chatReqVO.getContent());
+                }
+
                 // 心跳检测
                 if (System.currentTimeMillis() - lastSendTime > 15_000) {
                     emitter.send(SseEmitter.event().comment("heartbeat"));