diff --git a/ge/graph/passes/next_iteration_pass.cc b/ge/graph/passes/next_iteration_pass.cc
index bac6b3eb..5f4fc4d0 100644
--- a/ge/graph/passes/next_iteration_pass.cc
+++ b/ge/graph/passes/next_iteration_pass.cc
@@ -266,19 +266,34 @@ Status NextIterationPass::HandleWhileGroup(ComputeGraphPtr &graph) {
     MarkForceUnknownShape(loop_group.loop_cond, loop_group.is_unknown_shape);
     MarkForceUnknownShape(enter_active, loop_group.is_unknown_shape);
     MarkForceUnknownShape(next_active, loop_group.is_unknown_shape);
-    for (const auto &switch_node : loop_group.switch_nodes) {
-      MarkForceUnknownShape(switch_node, loop_group.is_unknown_shape);
-      for (const auto &exit_node : switch_node->GetOutDataNodes()) {
-        if (exit_node->GetType() == EXIT || exit_node->GetType() == REFEXIT) {
-          MarkForceUnknownShape(exit_node, loop_group.is_unknown_shape);
-        }
-      }
-    }
+    HandleSwitchExitNodes(loop_group);
   }
 
   return SUCCESS;
 }
 
+///
+/// @brief Mark force unknown for Exit node
+/// @param [in] group of LoopCond
+/// @return void
+///
+void NextIterationPass::HandleSwitchExitNodes(const LoopCondGroup &loop_group) {
+  if (!loop_group.is_unknown_shape) {
+    return;
+  }
+
+  for (const auto &switch_node : loop_group.switch_nodes) {
+    MarkForceUnknownShape(switch_node, loop_group.is_unknown_shape);
+    for (const auto &node : switch_node->GetOutDataNodes()) {
+      std::string node_type;
+      (void)GetOriginalType(node, node_type);
+      if (node_type == EXIT || node_type == REFEXIT) {
+        MarkForceUnknownShape(node, loop_group.is_unknown_shape);
+      }
+    }
+  }
+}
+
 ///
 /// @brief Create Active Node
 /// @param [in] graph
diff --git a/ge/graph/passes/next_iteration_pass.h b/ge/graph/passes/next_iteration_pass.h
index dea088ee..e8786516 100755
--- a/ge/graph/passes/next_iteration_pass.h
+++ b/ge/graph/passes/next_iteration_pass.h
@@ -93,6 +93,13 @@ class NextIterationPass : public GraphPass {
   ///
   Status FindTargetNode(const NodePtr &node, const std::string &target_type, bool is_input, NodePtr &target_node);
 
+  ///
+  /// @brief Mark force unknown for Exit node
+  /// @param [in] group of LoopCond
+  /// @return void
+  ///
+  void HandleSwitchExitNodes(const LoopCondGroup &loop_group);
+
   // map<frame_name, LoopCondGroup>
   std::unordered_map<std::string, LoopCondGroupPtr> loop_group_map_;
 };
diff --git a/ge/hybrid/executor/subgraph_executor.cc b/ge/hybrid/executor/subgraph_executor.cc
index c9c6f768..60895c7e 100644
--- a/ge/hybrid/executor/subgraph_executor.cc
+++ b/ge/hybrid/executor/subgraph_executor.cc
@@ -177,6 +177,7 @@ Status SubgraphExecutor::ExecuteAsyncForKnownShape(const std::vector<TensorValue
 
   known_shape_task_context_ = TaskContext::Create(node_state.get(), context_, subgraph_context_.get());
   GE_CHECK_NOTNULL(known_shape_task_context_);
+  node_state->SetTaskContext(known_shape_task_context_);
 
   std::function<void()> callback;
   GE_CHK_STATUS_RET_NOLOG(InitCallback(node_state.get(), callback));
diff --git a/ge/hybrid/node_executor/rts/rts_node_executor.cc b/ge/hybrid/node_executor/rts/rts_node_executor.cc
index 438045db..3ad791b6 100644
--- a/ge/hybrid/node_executor/rts/rts_node_executor.cc
+++ b/ge/hybrid/node_executor/rts/rts_node_executor.cc
@@ -20,6 +20,7 @@
 #include "common/debug/log.h"
 #include "common/ge/ge_util.h"
 #include "common/types.h"
+#include "graph/common/omg_util.h"
 #include "graph/utils/tensor_utils.h"
 #include "hybrid/model/hybrid_model.h"
 #include "runtime/rt.h"
@@ -132,15 +133,15 @@ Status ProfilingTraceNodeTask::ExecuteAsync(TaskContext &context, std::function<
 Status RtsNodeExecutor::LoadTask(const HybridModel &model, const NodePtr &node, shared_ptr<NodeTask> &task) const {
   GE_CHECK_NOTNULL(node);
   GELOGD("[%s] Load for local task.", node->GetName().c_str());
-  auto op_type = node->GetType();
-  task = RtsTaskFactory::GetInstance().Create(op_type);
-  if (task == nullptr) {
-    GELOGE(INTERNAL_ERROR, "[%s] Unsupported RTS op type: %s", node->GetName().c_str(), op_type.c_str());
-    return INTERNAL_ERROR;
+  std::string node_type;
+  GE_CHK_STATUS_RET(GetOriginalType(node, node_type), "Get original type failed.");
+  RtsNodeTaskPtr rts_task = RtsTaskFactory::GetInstance().Create(node_type);
+  if (rts_task == nullptr) {
+    GELOGE(UNSUPPORTED, "[%s] Unsupported RTS op type: %s", node->GetName().c_str(), node_type.c_str());
+    return UNSUPPORTED;
   }
 
-  RtsNodeTask *rts_task = dynamic_cast<RtsNodeTask *>(task.get());
-  GE_CHECK_NOTNULL(rts_task);
+  task = rts_task;
   return rts_task->Init(model, node);
 }
 }  // namespace hybrid
diff --git a/ge/hybrid/node_executor/rts/rts_task_factory.cc b/ge/hybrid/node_executor/rts/rts_task_factory.cc
index 73fd065d..0072fdf6 100644
--- a/ge/hybrid/node_executor/rts/rts_task_factory.cc
+++ b/ge/hybrid/node_executor/rts/rts_task_factory.cc
@@ -18,7 +18,7 @@
 
 namespace ge {
 namespace hybrid {
-NodeTaskPtr RtsTaskFactory::Create(const std::string &task_type) const {
+RtsNodeTaskPtr RtsTaskFactory::Create(const std::string &task_type) const {
   auto it = creators_.find(task_type);
   if (it == creators_.end()) {
     GELOGW("Cannot find task type %s in inner map.", task_type.c_str());
diff --git a/ge/hybrid/node_executor/rts/rts_task_factory.h b/ge/hybrid/node_executor/rts/rts_task_factory.h
index 42a07d4e..a2d2bf56 100644
--- a/ge/hybrid/node_executor/rts/rts_task_factory.h
+++ b/ge/hybrid/node_executor/rts/rts_task_factory.h
@@ -17,11 +17,12 @@
 #ifndef GE_HYBRID_NODE_EXECUTOR_RTS_TASK_FACTORY_H_
 #define GE_HYBRID_NODE_EXECUTOR_RTS_TASK_FACTORY_H_
 
-#include "hybrid/node_executor/node_executor.h"
+#include "hybrid/node_executor/rts/rts_node_task.h"
 
 namespace ge {
 namespace hybrid {
-using RtsTaskCreatorFun = std::function<NodeTaskPtr()>;
+using RtsNodeTaskPtr = std::shared_ptr<RtsNodeTask>;
+using RtsTaskCreatorFun = std::function<RtsNodeTaskPtr()>;
 
 class RtsTaskFactory {
  public:
@@ -30,7 +31,7 @@ class RtsTaskFactory {
     return instance;
   }
 
-  NodeTaskPtr Create(const std::string &task_type) const;
+  RtsNodeTaskPtr Create(const std::string &task_type) const;
 
   class RtsTaskRegistrar {
    public:
@@ -60,6 +61,6 @@ class RtsTaskFactory {
     REGISTER_RTS_TASK_CREATOR_UNIQ_HELPER(__COUNTER__, task_type, task_clazz)
 
 #define REGISTER_RTS_TASK_CREATOR_UNIQ_HELPER(ctr, type, clazz) \
-  RtsTaskFactory::RtsTaskRegistrar g_##type##_Creator##ctr(type, []()-> NodeTaskPtr { return MakeShared<clazz>(); })
+  RtsTaskFactory::RtsTaskRegistrar g_##type##_Creator##ctr(type, []()-> RtsNodeTaskPtr { return MakeShared<clazz>(); })
 
 #endif // GE_HYBRID_NODE_EXECUTOR_RTS_TASK_FACTORY_H_