diff --git a/api/app/services/user_memory_service.py b/api/app/services/user_memory_service.py
index 59bbc211..eb9b2c34 100644
--- a/api/app/services/user_memory_service.py
+++ b/api/app/services/user_memory_service.py
@@ -1416,10 +1416,11 @@ async def analytics_graph_data(
                 elementId(n) as id,
                 labels(n)[0] as label,
                 properties(n) as properties
+            LIMIT $limit
             """
             node_params = {
                 "group_id": end_user_id,
-                # "limit": limit
+                "limit": limit
             }
 
         # 执行节点查询