diff --git a/ge/graph/passes/folding_pass.cc b/ge/graph/passes/folding_pass.cc
index b1bd5a61..55dd484a 100755
--- a/ge/graph/passes/folding_pass.cc
+++ b/ge/graph/passes/folding_pass.cc
@@ -84,7 +84,6 @@ NodePtr AddConstNodeToGraph(GeTensorPtr &tensor, ComputeGraphPtr &graph) {
   }
 
   GE_IF_BOOL_EXEC(graph == nullptr, GELOGW("input param graph is null"); return nullptr);
-  (void) AttrUtils::SetListStr(const_desc, ATTR_NAME_DATA_DUMP_ORIGIN_OP_NAMES, std::move(std::vector<std::string>()));
   return graph->AddNodeFront(const_desc);
 }
 
@@ -173,7 +172,10 @@ Status FoldingPass::DealWithInNodes(NodePtr &node) {
       continue;
     }
     auto in_node = in_node_anchor->GetOwnerNode();
-    if ((in_node->GetType() == SWITCH) || (in_node->GetType() == REFSWITCH) || (in_node->GetType() == SWITCHN)) {
+    if (in_node == nullptr) {
+      continue;
+    }
+    if ((in_node->GetType() == SWITCH) || (in_node->GetType() == REFSWITCH)) {
       GELOGI("The in_node name is %s, and node type is %s.", in_node->GetName().c_str(), in_node->GetType().c_str());
       auto ret = in_node_anchor->Unlink(in_data_anchor);
       if (ret != SUCCESS) {
@@ -185,7 +187,7 @@ Status FoldingPass::DealWithInNodes(NodePtr &node) {
              node->GetName().c_str());
       auto identity_name = node->GetName() + "_ctrl_identity_" + std::to_string(in_data_anchor->GetIdx());
       auto identity =
-        AddIdentityNodeToGraph(identity_name, node->GetOpDesc()->GetInputDesc(in_data_anchor->GetIdx()), graph);
+          AddIdentityNodeToGraph(identity_name, node->GetOpDesc()->GetInputDesc(in_data_anchor->GetIdx()), graph);
       if (identity == nullptr) {
         GELOGE(INTERNAL_ERROR, "Failed to add identity node to graph.");
         return INTERNAL_ERROR;