diff --git a/mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_json_decoder.cc b/mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_json_decoder.cc
index 3f99820633..10a8179c76 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_json_decoder.cc
+++ b/mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_json_decoder.cc
@@ -187,7 +187,7 @@ class CNodeDecoder {
       if ((node.first)->isa<Parameter>()) {
         auto parameter = (node.first)->cast<ParameterPtr>();
         bool is_weight = AnfAlgo::IsParameterWeight(parameter);
-        kernel_info->SetFeatureMapFlag(!is_weight);
+        kernel_info->set_feature_map_flag(!is_weight);
         if (!is_weight) {
           feature_map_input_indexs.push_back(index - 1);
         }
@@ -200,7 +200,7 @@ class CNodeDecoder {
       AnfAlgo::SetNodeAttr(kIsBackendCast, MakeValue(false), cnode_);
     }
     if (inputs.size() == 1 || !feature_map_input_indexs.empty()) {
-      kernel_info->SetFeatureMapFlag(true);
+      kernel_info->set_feature_map_flag(true);
     }
     if (AnfAlgo::IsRealCNodeKernel(cnode_)) {
       AnfAlgo::SetNodeAttr(kIsFeatureMapOutput, MakeValue(kernel_info->is_feature_map()), cnode_);
diff --git a/mindspore/ccsrc/backend/session/kernel_graph.cc b/mindspore/ccsrc/backend/session/kernel_graph.cc
index 1a7aeacc7c..1306d49931 100644
--- a/mindspore/ccsrc/backend/session/kernel_graph.cc
+++ b/mindspore/ccsrc/backend/session/kernel_graph.cc
@@ -31,6 +31,8 @@ namespace session {
 namespace {
 constexpr auto kIsFeatureMapOutput = "IsFeatureMapOutput";
 constexpr auto kIsFeatureMapInputList = "IsFeatureMapInputList";
+const std::set<std::string> kOpAssignKernelNameList = {prim::kPrimAssign->name(), prim::kPrimAssignAdd->name(),
+                                                       prim::kPrimAssignSub->name()};
 void PushNoVisitedNode(const AnfNodePtr &node, std::queue<AnfNodePtr> *que,
                        std::unordered_set<AnfNodePtr> *visited_nodes) {
   MS_EXCEPTION_IF_NULL(node);
@@ -417,21 +419,41 @@ void KernelGraph::CreateKernelInfoFromNewParameter(const CNodePtr &cnode) {
   }
 }
 
+void KernelGraph::ResetAssignInputFeaatureMapFlag(const CNodePtr &cnode) const {
+  if (kOpAssignKernelNameList.find(AnfAlgo::GetCNodeName(cnode)) == kOpAssignKernelNameList.end()) {
+    MS_LOG(EXCEPTION) << "Only supported to change the node [Assign , AssignSub, AssignAdd] node's input feature map "
+                         "flag but got the node :"
+                      << cnode->DebugString();
+  }
+  auto input_node = AnfAlgo::GetInputNode(cnode, 0);
+  auto assign_value_node = AnfAlgo::GetInputNode(cnode, 1);
+  if (AnfAlgo::IsFeatureMapOutput(input_node)) {
+    return;
+  }
+  if (!AnfAlgo::IsFeatureMapOutput(input_node) && AnfAlgo::IsFeatureMapOutput(assign_value_node)) {
+    auto kernel_info = static_cast<device::KernelInfo *>(input_node->kernel_info());
+    kernel_info->set_feature_map_flag(true);
+  }
+}
+
 void KernelGraph::SetKernelInfoForNode(const AnfNodePtr &node) const {
   MS_EXCEPTION_IF_NULL(node);
   auto kernel_info = std::make_shared<device::KernelInfo>();
   node->set_kernel_info(kernel_info);
   if (node->isa<CNode>()) {
+    if (kOpAssignKernelNameList.find(AnfAlgo::GetCNodeName(node)) != kOpAssignKernelNameList.end()) {
+      ResetAssignInputFeaatureMapFlag(node->cast<CNodePtr>());
+    }
     std::vector<size_t> feature_map_input_indexs;
-    kernel_info->SetFeatureMapFlag(false);
+    kernel_info->set_feature_map_flag(false);
     for (size_t index = 0; index < AnfAlgo::GetInputTensorNum(node); ++index) {
       if (AnfAlgo::IsFeatureMapInput(node, index)) {
-        kernel_info->SetFeatureMapFlag(true);
+        kernel_info->set_feature_map_flag(true);
         feature_map_input_indexs.push_back(index);
       }
     }
     if (AnfAlgo::GetInputTensorNum(node) == 0) {
-      kernel_info->SetFeatureMapFlag(true);
+      kernel_info->set_feature_map_flag(true);
     }
     if (AnfAlgo::IsRealKernel(node)) {
       // if the node only has the primitive(such as getNext) or the node's input has a feature map input
@@ -446,7 +468,7 @@ void KernelGraph::SetKernelInfoForNode(const AnfNodePtr &node) const {
   std::vector<TypeId> types;
   std::vector<std::string> formats = {kOpFormat_DEFAULT};
   if (node->isa<ValueNode>()) {
-    kernel_info->SetFeatureMapFlag(false);
+    kernel_info->set_feature_map_flag(false);
     types.emplace_back(kTypeUnknown);
     auto value_node = node->cast<ValueNodePtr>();
     SyncDeviceInfoToValueNode(value_node, &formats, &types);
@@ -455,7 +477,7 @@ void KernelGraph::SetKernelInfoForNode(const AnfNodePtr &node) const {
     auto parameter = node->cast<ParameterPtr>();
     MS_EXCEPTION_IF_NULL(parameter);
     bool is_weight = AnfAlgo ::IsParameterWeight(parameter);
-    kernel_info->SetFeatureMapFlag(!is_weight);
+    kernel_info->set_feature_map_flag(!is_weight);
     types.push_back(is_weight ? kTypeUnknown : AnfAlgo::GetOutputInferDataType(parameter, 0));
   }
   // set parameter initaial device data type
diff --git a/mindspore/ccsrc/backend/session/kernel_graph.h b/mindspore/ccsrc/backend/session/kernel_graph.h
index 038d7337e5..50334e58c2 100644
--- a/mindspore/ccsrc/backend/session/kernel_graph.h
+++ b/mindspore/ccsrc/backend/session/kernel_graph.h
@@ -100,6 +100,7 @@ class KernelGraph : public FuncGraph {
   CNodePtr NewCNode(const std::vector<AnfNodePtr> &inputs) override;
   void CreateKernelInfoFromNewParameter(const CNodePtr &cnode);
   CNodePtr NewCNode(const CNodePtr &cnode);
+  void ResetAssignInputFeaatureMapFlag(const CNodePtr &cnode) const;
   ParameterPtr NewParameter(const ParameterPtr &parameter = nullptr);
   ParameterPtr NewParameter(const abstract::AbstractBasePtr &abstract);
   ValueNodePtr NewValueNode(const AbstractBasePtr &abstract, const ValuePtr &value);
diff --git a/mindspore/ccsrc/backend/session/session_basic.cc b/mindspore/ccsrc/backend/session/session_basic.cc
index 8986c84599..8385e45a35 100644
--- a/mindspore/ccsrc/backend/session/session_basic.cc
+++ b/mindspore/ccsrc/backend/session/session_basic.cc
@@ -838,7 +838,6 @@ ValueNodePtr SessionBasic::CreateValueNodeKernelGraph(const AnfNodePtr &anf, Ker
   new_value_node->set_abstract(value_node->abstract());
   // create new kernel_info of new value_node
   auto kernel_info = std::make_shared<device::KernelInfo>();
-  kernel_info->SetFeatureMapFlag(false);
   new_value_node->set_kernel_info(kernel_info);
   // create kernel_build_info for new value node
   auto kernel_build_info_builder = std::make_shared<kernel::KernelBuildInfo::KernelBuildInfoBuilder>();
diff --git a/mindspore/ccsrc/runtime/device/kernel_info.h b/mindspore/ccsrc/runtime/device/kernel_info.h
index e9d997cb5e..7f8d17e0aa 100644
--- a/mindspore/ccsrc/runtime/device/kernel_info.h
+++ b/mindspore/ccsrc/runtime/device/kernel_info.h
@@ -48,7 +48,7 @@ class KernelInfo : public KernelInfoDevice {
   void set_select_kernel_build_info(const kernel::KernelBuildInfoPtr &select_kernel_build_info) {
     select_kernel_build_info_ = select_kernel_build_info;
   }
-  void SetFeatureMapFlag(bool flag) { is_feature_map_ = flag; }
+  void set_feature_map_flag(bool flag) { is_feature_map_ = flag; }
   const DeviceAddress *GetOutputAddr(size_t index) const;
   DeviceAddressPtr GetMutableOutputAddr(size_t index) const;
   bool OutputAddrExist(size_t index) const;