diff --git a/ge/graph/passes/mark_agnostic_pass.cc b/ge/graph/passes/mark_agnostic_pass.cc
index 4fdc8e1b..be8d132a 100644
--- a/ge/graph/passes/mark_agnostic_pass.cc
+++ b/ge/graph/passes/mark_agnostic_pass.cc
@@ -43,18 +43,17 @@ Status MarkAgnosticPass::Run(ComputeGraphPtr graph) {
     if (node_type == REFMERGE || node_type == REFSWITCH) {
       GELOGD("Mark format agnostic for regmerge and refswitch node %s", node->GetName().c_str());
       AttrUtils::SetInt(node->GetOpDesc(), "_format_agnostic", 1);
-      AttrUtils::SetListInt(node->GetOpDesc(), "_format_agnostic_except_input", std::vector<int64_t>({1}));
+      AttrUtils::SetListInt(node->GetOpDesc(), "_format_agnostic_except_output", std::vector<int64_t>({1}));
       continue;
     }
     if (node_type == MERGE) {
       GELOGD("Mark format agnostic and continuous for merge node %s", node->GetName().c_str());
-      auto in_nodes = node->GetInAllNodes();
-      vector<NodePtr> input_nodes(in_nodes.begin(), in_nodes.end());
+      const auto &input_nodes = node->GetInAllNodes();
       /// Enter-----------+
       ///                 +-> Merge
       /// NextIteration---+
       if (input_nodes.size() == 2) {
-        if (input_nodes[0]->GetType() == ENTER && input_nodes[1]->GetType() == NEXTITERATION) {
+        if (input_nodes.at(0)->GetType() == ENTER && input_nodes.at(1)->GetType() == NEXTITERATION) {
           continue;
         }
       }
@@ -65,6 +64,14 @@ Status MarkAgnosticPass::Run(ComputeGraphPtr graph) {
         continue;
       }
       AttrUtils::SetInt(op_tensor, "_format_continuous", 1);
+
+      // Merge----------->NetOutput only set format_cofntinuous attr
+      const auto &output_nodes = node->GetOutAllNodes();
+      if (output_nodes.size() > 0) {
+        if (output_nodes.at(0)->GetType() == NETOUTPUT) {
+          continue;
+        }
+      }
       AttrUtils::SetInt(node->GetOpDesc(), "_format_agnostic", 1);
       AttrUtils::SetListInt(node->GetOpDesc(), "_format_agnostic_except_output", std::vector<int64_t>({1}));
       continue;