diff --git a/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/backend/tx/GraphTransaction.java b/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/backend/tx/GraphTransaction.java
index 10aa73f71..ef155e172 100644
--- a/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/backend/tx/GraphTransaction.java
+++ b/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/backend/tx/GraphTransaction.java
@@ -627,6 +627,7 @@ public class GraphTransaction extends IndexableTransaction {
              * unconcerned with add vertex
              */
             this.beforeWrite();
+            //todo This is where the transaction feature needs to be added
             this.addedVertices.put(vertex.id(), vertex);
             this.afterWrite();
         } catch (Throwable e) {
@@ -2220,3 +2221,4 @@ public class GraphTransaction extends IndexableTransaction {
         this.store().removeOlapTable(pkId);
     }
 }
+