diff --git a/ge/hybrid/model/hybrid_model.cc b/ge/hybrid/model/hybrid_model.cc
index a669c06f..07268f56 100644
--- a/ge/hybrid/model/hybrid_model.cc
+++ b/ge/hybrid/model/hybrid_model.cc
@@ -120,6 +120,10 @@ const GraphItem *HybridModel::GetRootGraphItem() const {
   return root_graph_item_.get();
 }
 
+const ComputeGraphPtr &HybridModel::GetRootGraph() const {
+  return root_graph_;
+}
+
 const GraphItem *HybridModel::GetSubgraphItem(const std::string &graph_name) const {
   GELOGD("To find subgraph item by name = %s", graph_name.c_str());
   auto it = subgraph_items_.find(graph_name);
diff --git a/ge/hybrid/model/hybrid_model.h b/ge/hybrid/model/hybrid_model.h
index 18daed4f..012571b8 100644
--- a/ge/hybrid/model/hybrid_model.h
+++ b/ge/hybrid/model/hybrid_model.h
@@ -101,6 +101,8 @@ class HybridModel {
 
   const GraphItem *GetRootGraphItem() const;
 
+  const ComputeGraphPtr &GetRootGraph() const;
+
   const GraphItem *GetSubgraphItem(const std::string &graph_name) const;
 
   const GraphItem *GetSubgraphItem(const ComputeGraphPtr &subgraph) const;
diff --git a/ge/hybrid/model/hybrid_model_builder.cc b/ge/hybrid/model/hybrid_model_builder.cc
index a047a05b..4a603e14 100755
--- a/ge/hybrid/model/hybrid_model_builder.cc
+++ b/ge/hybrid/model/hybrid_model_builder.cc
@@ -831,13 +831,6 @@ Status HybridModelBuilder::LoadGraph() {
                         "[Invoke][LoadDynamicSubgraph]Failed to load subgraph: [%s]",
                         sub_graph->GetName().c_str());
     } else {
-      GE_CHK_STATUS_RET(IdentifyVariableOutputs(*parent_node_item),
-                        "[Invoke][IdentifyVariableOutputs][%s] Failed to identify ref outputs.",
-                        parent_node_item->NodeName().c_str());
-      GE_CHK_STATUS_RET(IdentifySameInputs(*parent_node_item),
-                        "[Invoke][IdentifySameInputs][%s] Failed to identify same outputs.",
-                        parent_node_item->NodeName().c_str());
-
       // if parent is function control op. need add a virtual partitioned call
       if (parent_node_item->IsControlOp()) {
         GE_CHK_STATUS_RET(LoadKnownShapedSubgraph(*sub_graph, parent_node_item),
@@ -846,7 +839,16 @@ Status HybridModelBuilder::LoadGraph() {
       }
     }
   }
-
+  for (auto &it : hybrid_model_.known_shape_sub_models_) {
+    auto node_item = MutableNodeItem(it.first);
+    AscendString graph_name;
+    GE_CHK_GRAPH_STATUS_RET(it.second->GetGraph().GetName(graph_name), "Failed to get subgraph name");
+    auto subgraph = hybrid_model_.GetRootGraph()->GetSubgraph(graph_name.GetString());
+    GE_CHECK_NOTNULL(subgraph);
+    GE_CHK_STATUS_RET(IdentifyVariableOutputs(*node_item, subgraph),
+                      "[Invoke][IdentifyVariableOutputs][%s] Failed to identify ref outputs.",
+                      node_item->NodeName().c_str());
+  }
   GE_CHK_STATUS_RET(ParseDependentByParallelGroup(),
                     "[Invoke][ParseDependentByParallelGroup]Failed to establish dependencies for hccl ops,"
                     "model_name_:%s.", GetGraphName());
@@ -1478,50 +1480,8 @@ Status HybridModelBuilder::InitRuntimeParams() {
   return SUCCESS;
 }
 
-Status HybridModelBuilder::IdentifySameInputs(NodeItem &node_item) {
-  GELOGD("Start to parse same inputs on net output: %s", node_item.NodeName().c_str());
-  auto subgraph = NodeUtils::GetSubgraph(*node_item.node, kSubgraphIndex);
-  GE_CHECK_NOTNULL(subgraph);
-  auto net_output_node = subgraph->FindFirstNodeMatchType(NETOUTPUT);
-  if (net_output_node == nullptr) {
-    GELOGD("Subgraph [%s] does not have net output", subgraph->GetName().c_str());
-    return SUCCESS;
-  }
-
-  auto net_output_desc = net_output_node->GetOpDesc();
-  GE_CHECK_NOTNULL(net_output_desc);
-
-  std::map<std::string, int> connected_inputs;
-  for (const auto &in_data_anchor : net_output_node->GetAllInDataAnchors()) {
-    auto out_data_anchor = in_data_anchor->GetPeerOutAnchor();
-    if (out_data_anchor == nullptr) {
-      continue;
-    }
-    auto src_node = out_data_anchor->GetOwnerNode();
-    GE_CHECK_NOTNULL(src_node);
-    auto op_desc = src_node->GetOpDesc();
-    GE_CHECK_NOTNULL(op_desc);
-
-    std::string input_key = std::to_string(op_desc->GetId()) + "_" + std::to_string(out_data_anchor->GetIdx());
-    auto it = connected_inputs.find(input_key);
-    if (it == connected_inputs.end()) {
-      connected_inputs.emplace(input_key, in_data_anchor->GetIdx());
-    } else {
-      GELOGD("[%s] output [%d] reuse output [%d] input node = %s, idx = %d.", node_item.NodeName().c_str(),
-             in_data_anchor->GetIdx(),
-             it->second,
-             src_node->GetName().c_str(),
-             out_data_anchor->GetIdx());
-      node_item.reuse_outputs.emplace(in_data_anchor->GetIdx(), it->second);
-    }
-  }
-  return SUCCESS;
-}
-
-Status HybridModelBuilder::IdentifyVariableOutputs(NodeItem &node_item) {
+Status HybridModelBuilder::IdentifyVariableOutputs(NodeItem &node_item, const ComputeGraphPtr &subgraph) {
   GELOGD("Start to parse outputs of node: %s", node_item.NodeName().c_str());
-  auto subgraph = NodeUtils::GetSubgraph(*node_item.node, kSubgraphIndex);
-  GE_CHECK_NOTNULL(subgraph);
   auto net_output_node = subgraph->FindFirstNodeMatchType(NETOUTPUT);
   if (net_output_node == nullptr) {
     GELOGD("[%s] Subgraph do not got net output", subgraph->GetName().c_str());
@@ -1530,36 +1490,13 @@ Status HybridModelBuilder::IdentifyVariableOutputs(NodeItem &node_item) {
   auto net_output_desc = net_output_node->GetOpDesc();
   GE_CHECK_NOTNULL(net_output_desc);
 
-  // constant/variable connected to net output
+  // constants connected to net output
   for (const auto &in_data_anchor : net_output_node->GetAllInDataAnchors()) {
     auto src_node = GetPeerNode(in_data_anchor);
     GE_CHECK_NOTNULL(src_node);
     auto src_op_type = src_node->GetType();
-    GELOGD("Node %s, output %d, src node = %s, src node type = %s",
-           node_item.NodeName().c_str(),
-           in_data_anchor->GetIdx(),
-           src_node->GetName().c_str(),
-           src_op_type.c_str());
-    uint32_t parent_index = 0;
-    if (GetParentNodeOutputIndex(*net_output_desc, in_data_anchor->GetIdx(), parent_index) != SUCCESS) {
-      continue;
-    }
-    GELOGD("Got parent output index = %u", parent_index);
-    if (src_op_type == DATA) {
-      int ref_i = 0;
-      (void)AttrUtils::GetInt(src_node->GetOpDesc(), ATTR_NAME_PARENT_NODE_INDEX, ref_i);
-      node_item.reuse_inputs.emplace(static_cast<int>(parent_index), ref_i);
-      GELOGD("[%s] output[%u] resues input[%d]", node_item.NodeName().c_str(), parent_index, ref_i);
-    }
-
-    if (src_op_type != CONSTANTOP && src_op_type != CONSTANT && src_op_type != VARIABLE) {
-      continue;
-    }
-
-    GE_CHECK_LE(parent_index, INT32_MAX);
-    node_item.ref_outputs.emplace(static_cast<int>(parent_index), src_node);
     if (src_op_type == CONSTANTOP || src_op_type == CONSTANT) {
-      known_subgraph_constant_output_refs_[&node_item].emplace(parent_index, src_node);
+      known_subgraph_constant_output_refs_[&node_item].emplace(in_data_anchor->GetIdx(), src_node);
     }
   }
 
diff --git a/ge/hybrid/model/hybrid_model_builder.h b/ge/hybrid/model/hybrid_model_builder.h
index 3e467dc8..041e9dbb 100644
--- a/ge/hybrid/model/hybrid_model_builder.h
+++ b/ge/hybrid/model/hybrid_model_builder.h
@@ -59,8 +59,7 @@ class HybridModelBuilder {
   Status LoadGeModel(ComputeGraph &graph, const GeModelPtr &ge_model);
   Status LoadTask(NodeItem &node_item);
   Status LoadTasks();
-  Status IdentifyVariableOutputs(NodeItem &node_item);
-  Status IdentifySameInputs(NodeItem &node_item);
+  Status IdentifyVariableOutputs(NodeItem &node_item, const ComputeGraphPtr &subgraph);
   Status BuildNodeItem(const NodePtr &node, NodeItem &node_item);
   Status GetOrCreateNodeItem(const NodePtr &node, NodeItem **node_item);
   Status ParseForceInfershapeNodes(const NodePtr &node, NodeItem &node_item);
diff --git a/ge/hybrid/node_executor/compiledsubgraph/known_node_executor.cc b/ge/hybrid/node_executor/compiledsubgraph/known_node_executor.cc
index 48c3ab9e..b88932a3 100755
--- a/ge/hybrid/node_executor/compiledsubgraph/known_node_executor.cc
+++ b/ge/hybrid/node_executor/compiledsubgraph/known_node_executor.cc
@@ -22,6 +22,7 @@
 #include "common/ge/ge_util.h"
 #include "graph/attr_value.h"
 #include "graph/debug/ge_attr_define.h"
+#include "graph/utils/graph_utils.h"
 #include "graph/load/model_manager/model_utils.h"
 #include "graph/load/model_manager/model_manager.h"
 #include "hybrid/executor/hybrid_execution_context.h"
@@ -184,13 +185,15 @@ Status KnownNodeExecutor::LoadTask(const HybridModel &model, const NodePtr &node
   GELOGI("[%s] KnownNodeExecutor::LoadTask in.", node->GetName().c_str());
   GE_CHECK_NOTNULL(node);
 
-  const GeModelPtr ge_model = model.GetGeModel(node);
-  GE_CHECK_NOTNULL(ge_model);
-
-  AscendString graph_name;
-  GE_CHK_GRAPH_STATUS_RET(ge_model->GetGraph().GetName(graph_name), "Failed to get graph name");
-  auto weight_buffer = model.GetModelWeight(graph_name.GetString());
-
+  GeModelPtr ge_model;
+  ComputeGraphPtr compute_graph;
+  GE_CHK_STATUS_RET(GetModelAndGraph(model, node, ge_model, compute_graph),
+                    "[%s] Failed to get model and graph",
+                    node->GetName().c_str());
+  auto node_item = const_cast<NodeItem *>(model.GetNodeItem(node));
+  GE_CHECK_NOTNULL(node_item);
+  GE_CHK_STATUS_RET_NOLOG(ParseAttrForAllocatingOutputs(*node_item, *compute_graph));
+  auto weight_buffer = model.GetModelWeight(compute_graph->GetName());
   std::shared_ptr<DavinciModel> davinci_model = MakeShared<DavinciModel>(0, nullptr);
   GE_CHECK_NOTNULL(davinci_model);
 
@@ -223,5 +226,102 @@ Status KnownNodeExecutor::ExecuteTask(NodeTask &task, TaskContext &context,
   RECORD_EXECUTION_EVENT(context.GetExecutionContext(), context.GetNodeName(), "[KnownNodeExecutorExecuteTask] End");
   return SUCCESS;
 }
+
+Status KnownNodeExecutor::ParseAttrForAllocatingOutputs(NodeItem &node_item, ComputeGraph &graph) {
+  GELOGD("[%s] Start to parse attributes for outputs", node_item.NodeName().c_str());
+  auto net_output_node = graph.FindFirstNodeMatchType(NETOUTPUT);
+  if (net_output_node == nullptr) {
+    GELOGD("[%s] Subgraph do not got net output", graph.GetName().c_str());
+    return SUCCESS;
+  }
+
+  auto net_output_desc = net_output_node->GetOpDesc();
+  GE_CHECK_NOTNULL(net_output_desc);
+  std::map<std::string, int> connected_inputs;
+  std::map<NodePtr, int> data_indices;
+  GE_CHK_STATUS_RET(GetDataNodes(graph, data_indices),
+                    "[%s] Failed to get data node indices",
+                    node_item.NodeName().c_str());
+  for (const auto &in_data_anchor : net_output_node->GetAllInDataAnchors()) {
+    auto out_data_anchor = in_data_anchor->GetPeerOutAnchor();
+    if (out_data_anchor == nullptr) {
+      continue;
+    }
+    auto src_node = out_data_anchor->GetOwnerNode();
+    GE_CHECK_NOTNULL(src_node);
+    auto op_desc = src_node->GetOpDesc();
+    GE_CHECK_NOTNULL(op_desc);
+    auto src_op_type = src_node->GetType();
+    auto output_index = in_data_anchor->GetIdx();
+    GELOGD("Node %s, output %d, src node = %s, src node type = %s",
+           node_item.NodeName().c_str(),
+           output_index,
+           src_node->GetName().c_str(),
+           src_op_type.c_str());
+    // parse reuse outputs
+    std::string input_key = std::to_string(op_desc->GetId()) + "_" + std::to_string(out_data_anchor->GetIdx());
+    auto it = connected_inputs.find(input_key);
+    if (it == connected_inputs.end()) {
+      connected_inputs.emplace(input_key, output_index);
+    } else {
+      GELOGD("[%s] output [%d] reuse output [%d] input node = %s, idx = %d.", node_item.NodeName().c_str(),
+             output_index,
+             it->second,
+             src_node->GetName().c_str(),
+             out_data_anchor->GetIdx());
+      node_item.reuse_outputs.emplace(output_index, it->second);
+    }
+
+    if (src_op_type == DATA) {
+      int data_index = data_indices[src_node];
+      node_item.reuse_inputs.emplace(output_index, data_index);
+      GELOGD("[%s] output[%u] reuses input[%d]", node_item.NodeName().c_str(), output_index, data_index);
+    } else if (src_op_type == CONSTANTOP || src_op_type == CONSTANT || src_op_type == VARIABLE) {
+      node_item.ref_outputs.emplace(output_index, src_node);
+      GELOGD("[%s] output[%d] ref to node [%s]",
+             node_item.NodeName().c_str(),
+             output_index,
+             src_node->GetName().c_str());
+    }
+  }
+
+  GELOGD("[%s] Done parsing attributes for outputs successfully", node_item.NodeName().c_str());
+  return SUCCESS;
+}
+
+Status KnownNodeExecutor::GetDataNodes(ComputeGraph &graph, std::map<NodePtr, int> &data_indices) {
+  std::map<int, NodePtr> ordered_data_nodes;
+  for (const auto &node : graph.GetDirectNode()) {
+    GE_CHECK_NOTNULL(node);
+    if (node->GetType() == DATA) {
+      int index = -1;
+      (void) AttrUtils::GetInt(node->GetOpDesc(), ATTR_NAME_INDEX, index);
+      ordered_data_nodes.emplace(index, node);
+    }
+  }
+
+  // reindex
+  int data_index = 0;
+  for (const auto &it : ordered_data_nodes) {
+    data_indices.emplace(it.second, data_index++);
+  }
+
+  return SUCCESS;
+}
+
+Status KnownNodeExecutor::GetModelAndGraph(const HybridModel &model,
+                                           const NodePtr &node,
+                                           GeModelPtr &ge_model,
+                                           ComputeGraphPtr &graph) {
+  ge_model = model.GetGeModel(node);
+  GE_CHECK_NOTNULL(ge_model);
+  const auto &root_graph = model.GetRootGraph();
+  GE_CHECK_NOTNULL(root_graph);
+  AscendString graph_name;
+  GE_CHK_GRAPH_STATUS_RET(ge_model->GetGraph().GetName(graph_name), "Failed to get subgraph name");
+  graph = root_graph->GetSubgraph(graph_name.GetString());
+  GE_CHECK_NOTNULL(graph);
+  return SUCCESS;
+}
 }  // namespace hybrid
 }  // namespace ge
diff --git a/ge/hybrid/node_executor/compiledsubgraph/known_node_executor.h b/ge/hybrid/node_executor/compiledsubgraph/known_node_executor.h
index 629cb543..11cda846 100644
--- a/ge/hybrid/node_executor/compiledsubgraph/known_node_executor.h
+++ b/ge/hybrid/node_executor/compiledsubgraph/known_node_executor.h
@@ -51,6 +51,14 @@ class KnownNodeExecutor : public NodeExecutor {
   Status PrepareTask(NodeTask &task, TaskContext &context) const;
   Status ExecuteTask(NodeTask &task, TaskContext &context, const std::function<void()> &callback) const;
   ~KnownNodeExecutor() {}
+
+ private:
+  static Status ParseAttrForAllocatingOutputs(NodeItem &node_item, ComputeGraph &graph);
+  static Status GetDataNodes(ComputeGraph &graph, std::map<NodePtr, int> &data_indices);
+  static Status GetModelAndGraph(const HybridModel &model,
+                                 const NodePtr &node,
+                                 GeModelPtr &ge_model,
+                                 ComputeGraphPtr &graph);
 };
 }  // namespace hybrid
 }  // namespace ge
diff --git a/tests/ut/ge/hybrid/ge_hybrid_unittest.cc b/tests/ut/ge/hybrid/ge_hybrid_unittest.cc
index b5aac527..fbb2aa40 100644
--- a/tests/ut/ge/hybrid/ge_hybrid_unittest.cc
+++ b/tests/ut/ge/hybrid/ge_hybrid_unittest.cc
@@ -202,7 +202,7 @@ TEST_F(UtestGeHybrid, data_direct_connect) {
   GeRootModelPtr ge_root_model = make_shared<GeRootModel>(root_graph);
   HybridModel hybrid_model(ge_root_model);
   HybridModelBuilder hybrid_model_builder(hybrid_model);
-  auto ret = hybrid_model_builder.IdentifyVariableOutputs(*new_node.get());
+  auto ret = hybrid_model_builder.IdentifyVariableOutputs(*new_node.get(), sub_graph);
   ASSERT_EQ(ret, SUCCESS);
 }
 
diff --git a/tests/ut/ge/hybrid/known_node_executor_unittest.cc b/tests/ut/ge/hybrid/known_node_executor_unittest.cc
index 16bbe3a0..98e985f7 100644
--- a/tests/ut/ge/hybrid/known_node_executor_unittest.cc
+++ b/tests/ut/ge/hybrid/known_node_executor_unittest.cc
@@ -26,6 +26,7 @@
 #undef private
 #undef protected
 #include "graph/manager/graph_mem_allocator.h"
+#include "../graph/passes/graph_builder_utils.h"
 
 using namespace std;
 using namespace testing;
@@ -69,3 +70,22 @@ TEST_F(UnknownNodeExecutorTest, test_init_davinci_model) {
   model.weight_buffer_map_.emplace("subgraph", TensorBuffer::Create(buffer, sizeof(buffer)));
   ASSERT_EQ(mock.InitDavinciModel(model, model.GetModelWeight("subgraph")), SUCCESS);
 }
+
+TEST_F(UnknownNodeExecutorTest, TestParseAttrForAllocatingOutputs) {
+  ut::GraphBuilder builder("test-graph");
+  auto data_node = builder.AddNode("Data0", DATA, 1, 1);
+  auto netoutput_node = builder.AddNode("NodeOutput", NETOUTPUT, 2, 2);
+  builder.AddDataEdge(data_node, 0, netoutput_node, 0);
+  auto const_node = builder.AddNode("Const0", CONSTANT, 0, 1);
+  builder.AddDataEdge(const_node, 0, netoutput_node, 1);
+  auto graph = builder.GetGraph();
+
+  ut::GraphBuilder builder2("root-graph");
+  auto partitioned_call = builder2.AddNode("Node0", PARTITIONEDCALL, 1, 2);
+  NodeItem node_item(partitioned_call);
+  ASSERT_EQ(KnownNodeExecutor::ParseAttrForAllocatingOutputs(node_item, *graph), SUCCESS);
+  ASSERT_EQ(node_item.ref_outputs.size(), 1);
+  ASSERT_EQ(node_item.ref_outputs[1], const_node);
+  ASSERT_EQ(node_item.reuse_inputs.size(), 1);
+  ASSERT_EQ(node_item.reuse_inputs[0], 0);
+}
\ No newline at end of file