diff --git a/mindspore/ccsrc/kernel/CMakeLists.txt b/mindspore/ccsrc/kernel/CMakeLists.txt
index 993768b7f7..88960ad355 100644
--- a/mindspore/ccsrc/kernel/CMakeLists.txt
+++ b/mindspore/ccsrc/kernel/CMakeLists.txt
@@ -27,7 +27,7 @@ if (ENABLE_CPU)
         list(REMOVE_ITEM CPU_SRC_LIST "cpu/reduce_scatter_cpu_kernel.cc")
         list(REMOVE_ITEM CPU_SRC_LIST "cpu/embedding_look_up_comm_grad_cpu_kernel.cc")
         list(REMOVE_ITEM CPU_SRC_LIST "cpu/embedding_look_up_cpu_kernel.cc")
-        list(REMOVE_ITEM CPU_SRC_LIST "cpu/subscalar_cpu_kernel.cc")
+        list(REMOVE_ITEM CPU_SRC_LIST "cpu/sub_cpu_kernel.cc")
     endif ()
 endif ()
 
diff --git a/mindspore/ccsrc/kernel/cpu/embedding_look_up_cpu_kernel.cc b/mindspore/ccsrc/kernel/cpu/embedding_look_up_cpu_kernel.cc
index e56afaf9b5..b4eaa82bc6 100644
--- a/mindspore/ccsrc/kernel/cpu/embedding_look_up_cpu_kernel.cc
+++ b/mindspore/ccsrc/kernel/cpu/embedding_look_up_cpu_kernel.cc
@@ -48,19 +48,14 @@ void EmbeddingLookUpCPUKernel::InitKernel(const CNodePtr &kernel_node) {
   auto output_type = AnfAlgo::GetOutputInferDataType(kernel_node, 0);
   MS_LOG(DEBUG) << "output type: " << output_type;
 
-  int axis = AnfAlgo::GetNodeAttr<int>(kernel_node, "axis");
-  MS_LOG(DEBUG) << "axis: " << axis;
-  if (axis_ < 0) {
-    axis = axis + SizeToInt(input_shape_.size());
-  }
-  axis_ = 4 - input_shape_.size() + axis;
+  axis_ = 4 - input_shape_.size();
   MS_LOG(DEBUG) << "axis_: " << axis_;
   reduce_scatter_flag_ = AnfAlgo::GetNodeAttr<bool>(kernel_node, "reduce_scatter_flag");
   MS_LOG(DEBUG) << "reduce_scatter_flag: " << reduce_scatter_flag_;
   if (reduce_scatter_flag_) {
     size_t gatherv2_out_lens = 1;
     for (int i = 0; i < SizeToInt(input_shape_.size()); i++) {
-      if (i == axis) {
+      if (i == 0) {
         for (int j = 0; j < SizeToInt(indices_shape_.size()); j++) {
           MS_LOG(DEBUG) << "gatherv2 out shape: " << indices_shape_[j];
           gatherv2_out_lens = gatherv2_out_lens * indices_shape_[j];
@@ -76,7 +71,10 @@ void EmbeddingLookUpCPUKernel::InitKernel(const CNodePtr &kernel_node) {
     if (gather_v2_out_ == nullptr) {
       MS_LOG(EXCEPTION) << "EmbeddingLookUpCPUKernel malloc failed, malloc lens: " << gatherv2_out_lens_;
     }
-    memset_s(gather_v2_out_, gatherv2_out_lens_, 0, gatherv2_out_lens_);
+    auto ret = memset_s(gather_v2_out_, gatherv2_out_lens_, 0, gatherv2_out_lens_);
+    if (ret != 0) {
+      MS_LOG(EXCEPTION) << "EmbeddingLookUpCPUKernel memset gatherv2 out buff failed";
+    }
 
     split_num_ = AnfAlgo::GetNodeAttr<int>(kernel_node, "split_num");
     MS_LOG(DEBUG) << "split_num: " << split_num_;
@@ -99,6 +97,12 @@ bool EmbeddingLookUpCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inp
   auto output_addr = reinterpret_cast<float *>(outputs[0]->addr);
   MS_LOG(DEBUG) << "output addr: " << output_addr << "output size: " << outputs[0]->size;
   float *gather_out_addr = reduce_scatter_flag_ ? reinterpret_cast<float *>(gather_v2_out_) : output_addr;
+  if (!reduce_scatter_flag_) {
+    auto ret = memset_s(gather_out_addr, outputs[0]->size, 0, outputs[0]->size);
+    if (ret != 0) {
+      MS_LOG(EXCEPTION) << "EmbeddingLookUpCPUKernel memset out buff failed";
+    }
+  }
   MS_LOG(DEBUG) << "gatherv2 out addr: " << gather_out_addr;
   size_t dim0 = input_shape_[0];
   size_t dim1 = input_shape_[1];
@@ -149,10 +153,10 @@ bool EmbeddingLookUpCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inp
   return true;
 }
 
-void memcpy_task(std::vector<float *> mem_dest_addr_list, std::vector<float *> mem_src_addr_list, size_t start,
+void memcpy_task(std::vector<float *> *mem_dest_addr_list, std::vector<float *> *mem_src_addr_list, size_t start,
                  size_t end, size_t lens) {
   for (size_t i = start; i < end; i++) {
-    auto ret = memcpy_s(mem_dest_addr_list[i], lens, mem_src_addr_list[i], lens);
+    auto ret = memcpy_s((*mem_dest_addr_list)[i], lens, (*mem_src_addr_list)[i], lens);
     if (ret != EOK) {
       MS_LOG(EXCEPTION) << "memery copy failed.";
     }
@@ -204,7 +208,7 @@ void EmbeddingLookUpCPUKernel::LookUpTable(const std::vector<kernel::AddressPtr>
       break;
     }
     auto end = (start + ones_copy_lens) > memcpy_lens ? memcpy_lens : start + ones_copy_lens;
-    threads[i] = std::thread(memcpy_task, mem_dest_addr_list, mem_src_addr_list, start, end, lens);
+    threads[i] = std::thread(memcpy_task, &mem_dest_addr_list, &mem_src_addr_list, start, end, lens);
     start = start + ones_copy_lens;
   }
   for (size_t j = 0; j < i; j++) {
diff --git a/mindspore/ccsrc/kernel/cpu/subscalar_cpu_kernel.cc b/mindspore/ccsrc/kernel/cpu/sub_cpu_kernel.cc
similarity index 76%
rename from mindspore/ccsrc/kernel/cpu/subscalar_cpu_kernel.cc
rename to mindspore/ccsrc/kernel/cpu/sub_cpu_kernel.cc
index 435154561b..9fe36fba81 100644
--- a/mindspore/ccsrc/kernel/cpu/subscalar_cpu_kernel.cc
+++ b/mindspore/ccsrc/kernel/cpu/sub_cpu_kernel.cc
@@ -14,14 +14,20 @@
  * limitations under the License.
  */
 #include <thread>
-#include "kernel/cpu/subscalar_cpu_kernel.h"
+#include "kernel/cpu/sub_cpu_kernel.h"
 #include "device/cpu/cpu_device_address.h"
 
 namespace mindspore {
 namespace kernel {
-void SubscalarCPUKernel::InitKernel(const CNodePtr &kernel_node) {
-  offset_ = AnfAlgo::GetNodeAttr<int>(kernel_node, "input_y");
-  MS_LOG(DEBUG) << "offset: " << offset_;
+void SubCPUKernel::InitKernel(const CNodePtr &kernel_node) {
+  auto shape = AnfAlgo::GetPrevNodeOutputInferShape(kernel_node, 1);
+  if (shape.size() == 1) {
+    if (shape[0] != 1) {
+      MS_LOG(EXCEPTION) << "input 1 only support scalar";
+    }
+  } else {
+    MS_LOG(EXCEPTION) << "input 1 only support scalar";
+  }
 }
 
 void sub_task(int *in_addr, int *out_addr, size_t lens, int offset) {
@@ -30,9 +36,9 @@ void sub_task(int *in_addr, int *out_addr, size_t lens, int offset) {
   }
 }
 
-bool SubscalarCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inputs,
-                                const std::vector<kernel::AddressPtr> & /*workspace*/,
-                                const std::vector<kernel::AddressPtr> &outputs) {
+bool SubCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inputs,
+                          const std::vector<kernel::AddressPtr> & /*workspace*/,
+                          const std::vector<kernel::AddressPtr> &outputs) {
 #if defined(_WIN32) || defined(_WIN64)
   auto start_time = std::chrono::steady_clock::now();
 #else
@@ -41,6 +47,8 @@ bool SubscalarCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inputs,
 #endif
   auto input_addr = reinterpret_cast<int *>(inputs[0]->addr);
   auto output_addr = reinterpret_cast<int *>(outputs[0]->addr);
+  offset_ = *reinterpret_cast<int *>(inputs[1]->addr);
+  MS_LOG(INFO) << "offset: " << offset_;
   auto lens = inputs[0]->size / sizeof(int);
   if (lens < 10000) {
     for (size_t i = 0; i < lens; i++) {
@@ -73,7 +81,7 @@ bool SubscalarCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inputs,
   (void)gettimeofday(&end_time, nullptr);
   uint64_t time = 1000000 * static_cast<uint64_t>(end_time.tv_sec - start_time.tv_sec);
   time += static_cast<uint64_t>(end_time.tv_usec - start_time.tv_usec);
-  MS_LOG(INFO) << "SubscalarCPUKernel, used time: " << time << " us";
+  MS_LOG(INFO) << "SubCPUKernel, used time: " << time << " us";
 #endif
   return true;
 }
diff --git a/mindspore/ccsrc/kernel/cpu/subscalar_cpu_kernel.h b/mindspore/ccsrc/kernel/cpu/sub_cpu_kernel.h
similarity index 70%
rename from mindspore/ccsrc/kernel/cpu/subscalar_cpu_kernel.h
rename to mindspore/ccsrc/kernel/cpu/sub_cpu_kernel.h
index bd70b075ee..5530962d7f 100644
--- a/mindspore/ccsrc/kernel/cpu/subscalar_cpu_kernel.h
+++ b/mindspore/ccsrc/kernel/cpu/sub_cpu_kernel.h
@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef MINDSPORE_CCSRC_KERNEL_CPU_SUBSCALAR_CPU_KERNEL_H_
-#define MINDSPORE_CCSRC_KERNEL_CPU_SUBSCALAR_CPU_KERNEL_H_
+#ifndef MINDSPORE_CCSRC_KERNEL_CPU_SUB_CPU_KERNEL_H_
+#define MINDSPORE_CCSRC_KERNEL_CPU_SUB_CPU_KERNEL_H_
 #include <vector>
 #include <memory>
 #include "kernel/cpu/cpu_kernel.h"
@@ -22,10 +22,10 @@
 
 namespace mindspore {
 namespace kernel {
-class SubscalarCPUKernel : public CPUKernel {
+class SubCPUKernel : public CPUKernel {
  public:
-  SubscalarCPUKernel() : offset_(0) {}
-  ~SubscalarCPUKernel() override = default;
+  SubCPUKernel() : offset_(0) {}
+  ~SubCPUKernel() override = default;
 
   void InitKernel(const CNodePtr &kernel_node) override;
 
@@ -36,9 +36,8 @@ class SubscalarCPUKernel : public CPUKernel {
   int offset_;
 };
 
-MS_REG_CPU_KERNEL(Subscalar, KernelAttr().AddInputAttr(kNumberTypeInt32).AddOutputAttr(kNumberTypeInt32),
-                  SubscalarCPUKernel);
+MS_REG_CPU_KERNEL(Sub, KernelAttr().AddInputAttr(kNumberTypeInt32).AddOutputAttr(kNumberTypeInt32), SubCPUKernel);
 }  // namespace kernel
 }  // namespace mindspore
 
-#endif  // MINDSPORE_CCSRC_KERNEL_CPU_SUBSCALAR_CPU_KERNEL_H_
+#endif  // MINDSPORE_CCSRC_KERNEL_CPU_SUB_CPU_KERNEL_H_