diff --git a/src/sql/engine/px/ob_dfo.cpp b/src/sql/engine/px/ob_dfo.cpp
index fb6ae00e948dfa41896fedf4b3e059ad1ad9b52d..8d761020960c4b1b9f764eb36cef6fcd0683e034 100644
--- a/src/sql/engine/px/ob_dfo.cpp
+++ b/src/sql/engine/px/ob_dfo.cpp
@@ -726,10 +726,13 @@ OB_DEF_SERIALIZE(ObPxRpcInitTaskArgs)
         LOG_WARN("failed to deserialize kit store", K(ret));
       }
     } else {
+      ObPhyOpSeriCtx seri_ctx;
+      seri_ctx.exec_ctx_ = exec_ctx_;
       if (OB_ISNULL(op_root_)) {
         ret = OB_ERR_UNEXPECTED;
         LOG_WARN("unexpected status: op root is null", K(ret));
-      } else if (OB_FAIL(ObPxTreeSerializer::serialize_tree(buf, buf_len, pos, *op_root_, task_.is_fulltree()))) {
+      } else if (OB_FAIL(ObPxTreeSerializer::serialize_tree(buf, buf_len, pos, 
+        *op_root_, task_.is_fulltree(), &seri_ctx))) {
         LOG_WARN("fail serialize root_op", K(ret), K(buf_len), K(pos));
       }
     }
@@ -846,7 +849,9 @@ OB_DEF_SERIALIZE_SIZE(ObPxRpcInitTaskArgs)
         ret = OB_ERR_UNEXPECTED;
         LOG_ERROR("unexpected status: op root is null", K(ret));
       } else {
-        len += ObPxTreeSerializer::get_tree_serialize_size(*op_root_, task_.is_fulltree());
+        ObPhyOpSeriCtx seri_ctx;
+        seri_ctx.exec_ctx_ = exec_ctx_;
+        len += ObPxTreeSerializer::get_tree_serialize_size(*op_root_, task_.is_fulltree(), &seri_ctx);
       }
     }
   }
diff --git a/src/sql/executor/ob_task.cpp b/src/sql/executor/ob_task.cpp
index 411e33f6516a9028a045257719d5ad60b719ce4b..6e81165e8435738af21163f891d3c592639cd494 100644
--- a/src/sql/executor/ob_task.cpp
+++ b/src/sql/executor/ob_task.cpp
@@ -58,7 +58,7 @@ OB_DEF_SERIALIZE(ObTask)
     ret = OB_NOT_INIT;
     LOG_WARN("task not init", K_(op_root), K_(exec_ctx), K_(ser_phy_plan));
   } else if (ser_phy_plan_->is_dist_insert_or_replace_plan() && location_idx_ != OB_INVALID_INDEX) {
-    OZ(exec_ctx_->reset_one_row_id_list(exec_ctx_->get_part_row_manager().get_row_id_list(location_idx_)));
+    IGNORE_RETURN exec_ctx_->reset_one_row_id_list(exec_ctx_->get_part_row_manager().get_row_id_list(location_idx_));
   }
   LST_DO_CODE(OB_UNIS_ENCODE, *ser_phy_plan_);
   LST_DO_CODE(OB_UNIS_ENCODE, *exec_ctx_);
@@ -184,7 +184,7 @@ OB_DEF_SERIALIZE_SIZE(ObTask)
     LOG_ERROR("task not init", K_(exec_ctx), K_(ser_phy_plan));
   } else {
     if (ser_phy_plan_->is_dist_insert_or_replace_plan() && location_idx_ != OB_INVALID_INDEX) {
-      exec_ctx_->reset_one_row_id_list(exec_ctx_->get_part_row_manager().get_row_id_list(location_idx_));
+      IGNORE_RETURN exec_ctx_->reset_one_row_id_list(exec_ctx_->get_part_row_manager().get_row_id_list(location_idx_));
     }
     LST_DO_CODE(OB_UNIS_ADD_LEN, *ser_phy_plan_);
     LST_DO_CODE(OB_UNIS_ADD_LEN, *exec_ctx_);