diff --git a/src/sql/engine/join/hash_join/ob_hash_join_vec_op.cpp b/src/sql/engine/join/hash_join/ob_hash_join_vec_op.cpp
index fc75b05ace..834895e1c0 100644
--- a/src/sql/engine/join/hash_join/ob_hash_join_vec_op.cpp
+++ b/src/sql/engine/join/hash_join/ob_hash_join_vec_op.cpp
@@ -829,8 +829,8 @@ int ObHashJoinVecOp::build_hash_table_for_nest_loop(int64_t &num_left_rows)
     int64_t memory_bound = std::max(remain_data_memory_size_,
                                     hj_part->get_row_store().get_max_blk_size());
     const int64_t row_bound = min(hash_table.get_row_count(), hash_table.get_nbuckets() / 2);
-    ObTempRowStore::IterationAge iter_age;
-    hj_part->set_iteration_age(iter_age);
+    hj_part->set_iteration_age(iter_age_);
+    iter_age_.inc();
     JoinPartitionRowIter left_iter(hj_part, row_bound, memory_bound);
     ret = hash_table.build(left_iter, jt_ctx_);
   }
@@ -1212,8 +1212,8 @@ int ObHashJoinVecOp::build_hash_table_in_memory(int64_t &num_left_rows)
   } else if (OB_FAIL(prepare_hash_table())) {
     LOG_WARN("failed to prepare hash table", K(ret));
   } else {
-    ObTempRowStore::IterationAge iter_age;
-    hj_part->set_iteration_age(iter_age);
+    hj_part->set_iteration_age(iter_age_);
+    iter_age_.inc();
     JoinPartitionRowIter left_iter(hj_part);
     ret = hash_table.build(left_iter, jt_ctx_);
   }
diff --git a/src/sql/engine/join/hash_join/ob_hash_join_vec_op.h b/src/sql/engine/join/hash_join/ob_hash_join_vec_op.h
index cc936289be..7b36445427 100644
--- a/src/sql/engine/join/hash_join/ob_hash_join_vec_op.h
+++ b/src/sql/engine/join/hash_join/ob_hash_join_vec_op.h
@@ -600,6 +600,7 @@ private:
   bool skip_right_null_;
 
   OutputInfo output_info_;
+  ObTempRowStore::IterationAge iter_age_;
 };
 
 } // end namespace sql