diff --git a/src/sql/engine/ob_exec_context.cpp b/src/sql/engine/ob_exec_context.cpp
index 25a155df4f34d52266cd4cb63e9cae4bfe9bc5ed..f1b7d968649fdd4a3b6b6574a4cd25eee47a90e8 100644
--- a/src/sql/engine/ob_exec_context.cpp
+++ b/src/sql/engine/ob_exec_context.cpp
@@ -860,7 +860,8 @@ int ObExecContext::get_pwj_map(PWJTabletIdMap *&pwj_map)
   return ret;
 }
 
-int ObExecContext::fill_px_batch_info(ObBatchRescanParams &params, int64_t batch_id)
+int ObExecContext::fill_px_batch_info(ObBatchRescanParams &params,
+    int64_t batch_id, sql::ObExpr::ObExprIArray &array)
 {
   int ret = OB_SUCCESS;
   if (OB_ISNULL(phy_plan_ctx_)) {
@@ -872,7 +873,6 @@ int ObExecContext::fill_px_batch_info(ObBatchRescanParams &params, int64_t batch
   } else {
     common::ObIArray<common::ObObjParam> &one_params =
         params.get_one_batch_params(batch_id);
-    sql::ObExpr::ObExprIArray *array = sql::ObExpr::get_serialize_array();
     ObEvalCtx eval_ctx(*this);
     for (int i = 0; OB_SUCC(ret) && i < one_params.count(); ++i) {
       if (i > params.param_idxs_.count()) {
@@ -884,11 +884,11 @@ int ObExecContext::fill_px_batch_info(ObBatchRescanParams &params, int64_t batch
           sql::ObExpr *expr = NULL;
           int64_t idx = params.param_expr_idxs_.at(i);
           if (OB_FAIL(ret)) {
-          } else if (OB_UNLIKELY(NULL == array) || OB_UNLIKELY(idx > array->count())) {
+          } else if (OB_UNLIKELY(idx > array.count())) {
             ret = OB_ERR_UNEXPECTED;
-            LOG_WARN("expr index out of expr array range", K(ret), KP(array), K(idx), K(array->count()));
+            LOG_WARN("expr index out of expr array range", K(ret), K(array), K(idx), K(array.count()));
           } else {
-            expr = &array->at(idx - 1);
+            expr = &array.at(idx - 1);
             expr->get_eval_info(eval_ctx).clear_evaluated_flag();
             ObDynamicParamSetter::clear_parent_evaluated_flag(eval_ctx, *expr);
             ObDatum &param_datum = expr->locate_datum_for_write(eval_ctx);
diff --git a/src/sql/engine/ob_exec_context.h b/src/sql/engine/ob_exec_context.h
index f062e384538206848da734beeed24f42345027aa..ed0ac8192234a04d2659ea5448697f52de5e3fd1 100644
--- a/src/sql/engine/ob_exec_context.h
+++ b/src/sql/engine/ob_exec_context.h
@@ -429,7 +429,10 @@ public:
   const ObIArray<ObPxTabletRange> &get_partition_ranges() const { return part_ranges_; }
   int set_partition_ranges(const ObIArray<ObPxTabletRange> &part_ranges);
   int add_partition_range(ObPxTabletRange &part_range);
-  int fill_px_batch_info(ObBatchRescanParams &params, int64_t batch_id);
+  int fill_px_batch_info(
+      ObBatchRescanParams &params,
+      int64_t batch_id,
+      sql::ObExpr::ObExprIArray &array);
   int64_t get_px_batch_id() { return px_batch_id_; }
 
   ObDmlEventType get_dml_event() const { return dml_event_; }
diff --git a/src/sql/engine/px/ob_px_task_process.cpp b/src/sql/engine/px/ob_px_task_process.cpp
index be2b292b7830248dc8ee2e0aab82ba1e6fccd38d..b6333a0424aac4e2b985a6fe3b41375d9380c1fb 100644
--- a/src/sql/engine/px/ob_px_task_process.cpp
+++ b/src/sql/engine/px/ob_px_task_process.cpp
@@ -269,7 +269,8 @@ int ObPxTaskProcess::execute(ObOpSpec &root_spec)
     for (int i = 0; i < batch_count && OB_SUCC(ret); ++i) {
       if (need_fill_batch_info) {
         if (OB_FAIL(ctx.fill_px_batch_info(arg_.get_sqc_handler()->
-          get_sqc_init_arg().sqc_.get_rescan_batch_params(), i))) {
+          get_sqc_init_arg().sqc_.get_rescan_batch_params(), i,
+          arg_.des_phy_plan_->get_expr_frame_info().rt_exprs_))) {
           LOG_WARN("fail to fill batch info", K(ret));
         } else if (OB_FAIL(arg_.get_sqc_handler()->get_sub_coord().
           get_sqc_ctx().gi_pump_.regenerate_gi_task())) {