diff --git a/app/server/ChatbotAgent/core/stylist_agent_server.py b/app/server/ChatbotAgent/core/stylist_agent_server.py
index 41bea62..88901ca 100644
--- a/app/server/ChatbotAgent/core/stylist_agent_server.py
+++ b/app/server/ChatbotAgent/core/stylist_agent_server.py
@@ -424,11 +424,14 @@ class AsyncStylistAgent:
 
             # 3. 检查终止条件
             if gemini_data.get('action') == 'stop':
-                response_data['path'] = minio_path
-                response_data['items'].append({"item_id": item_id, "category": item_category})
-                response_data['status'] = "ok"
-                response = post_request(url=url, data=json.dumps(response_data), headers=headers)
-                logger.info(f"request data ：{response_data} | JAVA callback info -> status:{response.status_code} | message:{response.text}")
+                if is_duplicate_by_key(response_data['items'], {"item_id": item_id, "category": item_category}):
+                    print("重复（按item_id判断），不插入")
+                else:
+                    response_data['path'] = minio_path
+                    response_data['items'].append({"item_id": item_id, "category": item_category})
+                    response_data['status'] = "ok"
+                    response = post_request(url=url, data=json.dumps(response_data), headers=headers)
+                    logger.info(f"request data ：{response_data} | JAVA callback info -> status:{response.status_code} | message:{response.text}")
 
                 # 根据stylist要求随机增加配饰 3-4个配饰
                 new_item = await self._get_random_accessories(self.style_accessories_guide, len(self.outfit_items))
@@ -540,3 +543,11 @@ class AsyncStylistAgent:
 
         gcs_uri = f"gs://{bucket_name}/{blob_name}"
         return gcs_uri
+
+
+def is_duplicate_by_key(data, target_item):
+    """基于item_id快速判断重复"""
+    # 提取所有item_id到集合
+    existing_ids = {item['item_id'] for item in data}
+    # 判断目标item_id是否在集合中
+    return target_item['item_id'] in existing_ids