diff --git a/mindspore/ccsrc/backend/optimizer/ascend/ascend_backend_optimization.cc b/mindspore/ccsrc/backend/optimizer/ascend/ascend_backend_optimization.cc
index 2f3c57c665c..04869ff1534 100644
--- a/mindspore/ccsrc/backend/optimizer/ascend/ascend_backend_optimization.cc
+++ b/mindspore/ccsrc/backend/optimizer/ascend/ascend_backend_optimization.cc
@@ -195,6 +195,7 @@ void RunOpAscendDataLayout(const std::shared_ptr<session::KernelGraph> &kernel_g
   auto data_layout_pm = std::make_shared<PassManager>("pynative_transop_pm");
   data_layout_pm->AddPass(std::make_shared<ChangeAxisOfReduceKernel>());
   data_layout_pm->AddPass(std::make_shared<RectifyDoMaskKernelInfo>());
+  data_layout_pm->AddPass(std::make_shared<DynamicRNNGradReformat>());
   data_layout_pm->AddPass(std::make_shared<RunOpInsertTransData>());
   data_layout_pm->AddPass(std::make_shared<GetitemTuple>());
   data_layout_pm->AddPass(std::make_shared<CommonSubexpressionElimination>());
@@ -338,7 +339,9 @@ void RunOpAscendBackendIRFusionOptimization(const std::shared_ptr<session::Kerne
   ir_fusion_pm->AddPass(std::make_shared<InsertPadForNMSWithMask>());
   ir_fusion_pm->AddPass(std::make_shared<TensorScatterUpdateFission>());
   ir_fusion_pm->AddPass(std::make_shared<InsertPlaceholderForDynamicRNN>());
+  ir_fusion_pm->AddPass(std::make_shared<DynamicGRUV2GradFission>());
   ir_fusion_pm->AddPass(std::make_shared<InsertPlaceholderForDynamicGRUV2>());
+  ir_fusion_pm->AddPass(std::make_shared<DynamicRnnGradFissionV2>());
   ir_fusion_pm->AddPass(std::make_shared<EraseVisitAttr>());
 
   optimizer->AddPassManager(ir_fusion_pm);
diff --git a/mindspore/ccsrc/common/trans.cc b/mindspore/ccsrc/common/trans.cc
index f2740095377..67cd3dd4aca 100644
--- a/mindspore/ccsrc/common/trans.cc
+++ b/mindspore/ccsrc/common/trans.cc
@@ -529,13 +529,6 @@ bool TransDataType(const TypeIdArgs &args, void *result) {
 }
 
 bool TransFormat(const FormatArgs &args, void *result) {
-  using FormatTransfer = std::function<bool(const FormatArgs &, void *)>;
-  const std::map<std::string, FormatTransfer> format_trans_map{
-    {kOpFormat_FRAC_Z, NchwToFracZ},           {kOpFormat_FRAC_NZ, NchwToFracNz},
-    {kOpFormat_NC1HWC0, NchwToNc1hwc0},        {kOpFormat_C1HWNCoC0, NchwToC1hwncoc0},
-    {kOpFormat_FRACTAL_Z_C04, NchwToFracZc04}, {kOpFormat_NC1HWC0_C04, NchwToNc1hwc04},
-    {kOpFormat_NDC1HWC0, NcdhwToNdc1hwc0}};
-
   MS_LOG(DEBUG) << "Start trans format.";
   if (abstract::TypeIdSize(args.src_data_type) < 1) {
     MS_LOG(ERROR) << "Invalid datatype..";
@@ -544,15 +537,14 @@ bool TransFormat(const FormatArgs &args, void *result) {
   if (args.device_format == kOpFormat_HWCN || args.device_format == kOpFormat_NHWC) {
     return NchwTo4D(args, result);
   }
-  auto iter = format_trans_map.find(args.device_format);
-  if (iter == format_trans_map.end()) {
+  auto iter = kTransFormatMapOfHostToDevice.find(args.device_format);
+  if (iter == kTransFormatMapOfHostToDevice.end()) {
     MS_LOG(EXCEPTION) << "Unexpected format[" << args.device_format << "]";
   }
   return iter->second(args, result);
 }
 
 bool TransFormatFromDeviceToHost(const FormatArgs &args, void *result) {
-  using FormatTransfer = std::function<bool(const FormatArgs &, void *)>;
   const std::map<std::string, FormatTransfer> format_trans_map{
     {kOpFormat_FRAC_Z, FracZToNchw},         {kOpFormat_FRAC_NZ, FracNzToNchw},
     {kOpFormat_NC1HWC0, Nc1hwc0ToNchw},      {kOpFormat_C1HWNCoC0, C1hwncoc0ToNchw},
diff --git a/mindspore/ccsrc/common/trans.h b/mindspore/ccsrc/common/trans.h
index 3275d9e364a..153b773f268 100644
--- a/mindspore/ccsrc/common/trans.h
+++ b/mindspore/ccsrc/common/trans.h
@@ -76,6 +76,13 @@ bool Nc1hwc0ToNchw(const FormatArgs &args, void *result);
 bool Nc1hwc04ToNchw(const FormatArgs &args, void *result);
 bool C1hwncoc0ToNchw(const FormatArgs &args, void *result);
 bool Ndc1hwc0ToNcdhw(const FormatArgs &args, void *result);
+using FormatTransfer = std::function<bool(const FormatArgs &, void *)>;
+const std::map<std::string, FormatTransfer> kTransFormatMapOfHostToDevice{
+  {kOpFormat_FRAC_Z, NchwToFracZ},           {kOpFormat_FRAC_NZ, NchwToFracNz},
+  {kOpFormat_NC1HWC0, NchwToNc1hwc0},        {kOpFormat_C1HWNCoC0, NchwToC1hwncoc0},
+  {kOpFormat_FRACTAL_Z_C04, NchwToFracZc04}, {kOpFormat_NC1HWC0_C04, NchwToNc1hwc04},
+  {kOpFormat_NDC1HWC0, NcdhwToNdc1hwc0}};
+
 }  // namespace trans
 }  // namespace mindspore
 
diff --git a/mindspore/ccsrc/runtime/device/ascend/kernel_select_ascend.cc b/mindspore/ccsrc/runtime/device/ascend/kernel_select_ascend.cc
index 18cf9177d1c..a134a6165c3 100644
--- a/mindspore/ccsrc/runtime/device/ascend/kernel_select_ascend.cc
+++ b/mindspore/ccsrc/runtime/device/ascend/kernel_select_ascend.cc
@@ -29,6 +29,7 @@
 #include "backend/kernel_compiler/oplib/oplib.h"
 #include "backend/kernel_compiler/tbe/tbe_dynaminc_shape_util.h"
 #include "backend/session/anf_runtime_algorithm.h"
+#include "common/trans.h"
 #include "debug/anf_ir_dump.h"
 #include "frontend/operator/ops.h"
 #include "utils/ms_context.h"
@@ -382,14 +383,15 @@ void SetTensorDeviceInfo(const CNodePtr &kernel_node) {
       continue;
     }
     auto builder = std::make_shared<kernel::KernelBuildInfo::KernelBuildInfoBuilder>();
-    std::vector<std::string> output_format = {AnfAlgo::GetOutputFormat(real_input_node, 0)};
+    auto refresh_format = selected_kernel_info->GetInputFormat(input_index);
+    std::vector<std::string> output_format = {refresh_format};
+    // if not find in host convert format map means the host has not registered the convert function of this format
+    if (trans::kTransFormatMapOfHostToDevice.find(refresh_format) == trans::kTransFormatMapOfHostToDevice.end() &&
+        refresh_format != kOpFormat_DEFAULT) {
+      output_format = {AnfAlgo::GetOutputFormat(real_input_node, 0)};
+    }
     if (IsValueNode<tensor::Tensor>(input_kernel_node) &&
         AnfAlgo::GetOutputDeviceDataType(input_kernel_node, 0) == kTypeUnknown) {
-      if (selected_kernel_info->GetInputFormat(input_index) != kOpFormat_FRACTAL_ZN_LSTM ||
-          selected_kernel_info->GetInputFormat(input_index) != kOpFormat_FRACTAL_Z_3D ||
-          selected_kernel_info->GetInputFormat(input_index) != kOpFormat_NDC1HWC0) {
-        output_format = {selected_kernel_info->GetInputFormat(input_index)};
-      }
       builder->SetOutputsFormat(output_format);
       std::vector<TypeId> output_type = {selected_kernel_info->GetInputDeviceType(input_index)};
       builder->SetOutputsDeviceType(output_type);
@@ -397,11 +399,6 @@ void SetTensorDeviceInfo(const CNodePtr &kernel_node) {
       continue;
     }
     if (AnfAlgo::GetOutputDeviceDataType(real_input_node, 0) == kTypeUnknown || is_ref) {
-      if (selected_kernel_info->GetInputFormat(input_index) != kOpFormat_FRACTAL_ZN_LSTM ||
-          selected_kernel_info->GetInputFormat(input_index) != kOpFormat_FRACTAL_Z_3D ||
-          selected_kernel_info->GetInputFormat(input_index) != kOpFormat_NDC1HWC0) {
-        output_format = {selected_kernel_info->GetInputFormat(input_index)};
-      }
       builder->SetOutputsFormat(output_format);
       std::vector<TypeId> output_type = {selected_kernel_info->GetInputDeviceType(input_index)};
       builder->SetOutputsDeviceType(output_type);