diff --git a/ge/graph/build/model_builder.cc b/ge/graph/build/model_builder.cc
index 8d4a17d8..04126f92 100755
--- a/ge/graph/build/model_builder.cc
+++ b/ge/graph/build/model_builder.cc
@@ -366,8 +366,11 @@ void ModelBuilder::InitL1FusionOption() {
   string buffer_optimize = "off_optimize";
   graphStatus ret = ge::GetContext().GetOption(BUFFER_OPTIMIZE, buffer_optimize);
   if (ret == GRAPH_SUCCESS) {
-    is_l1_fusion_enable_ = (buffer_optimize == "l1_optimize");
-    GELOGD("The value of %s is %s.", BUFFER_OPTIMIZE.c_str(), buffer_optimize.c_str());
+    bool off_superkernel = false;
+    (void)AttrUtils::GetBool(compute_graph_, ATTR_NAME_OFF_SUPERKERNEL_ATTR, off_superkernel);
+    is_l1_fusion_enable_ = ((buffer_optimize == "l1_optimize") && (!off_superkernel));
+    GELOGI("Compute graph %s the value of %s is %s, superkernel flag %d.", compute_graph_->GetName().c_str(),
+           BUFFER_OPTIMIZE.c_str(), buffer_optimize.c_str(), is_l1_fusion_enable_);
   } else {
     GELOGW("The value of %s is empty.", kEnableL1Fusion.c_str());
   }
diff --git a/ge/graph/manager/graph_manager.cc b/ge/graph/manager/graph_manager.cc
index 1cbb3fc8..5c97b12e 100755
--- a/ge/graph/manager/graph_manager.cc
+++ b/ge/graph/manager/graph_manager.cc
@@ -3090,6 +3090,15 @@ Status GraphManager::OptimizeSubgraph(const GraphNodePtr &graph_node, ComputeGra
     sub_graph->SetSessionID(session_id);
     sub_graph->SetGraphID(graph_node->GetGraphId());
   }
+  bool off_superkernel = false;
+  if (AttrUtils::GetBool(compute_graph, ATTR_NAME_OFF_SUPERKERNEL_ATTR, off_superkernel)) {
+    GELOGI("Compute graph %s get superkernel flag %d.", compute_graph->GetName().c_str(), off_superkernel);
+    if (!AttrUtils::SetBool(merged_compute_graph, ATTR_NAME_OFF_SUPERKERNEL_ATTR, off_superkernel)) {
+      GELOGE(FAILED, "Compute graph %s set superkernel flag %d failed", merged_compute_graph->GetName().c_str(),
+             off_superkernel);
+      return FAILED;
+    }
+  }
   GE_TIMESTAMP_EVENT_END(MergeSubgraph, "OptimizeSubgraph::MergeSubGraph");
   GE_DUMP(merged_compute_graph, "mergedComputeGraph");
   compute_graph = merged_compute_graph;