diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/assignadd_cpu_kernel.cc b/mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/assignadd_cpu_kernel.cc
index 160a720d69..402527bc65 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/assignadd_cpu_kernel.cc
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/assignadd_cpu_kernel.cc
@@ -53,7 +53,11 @@ bool AssignAddCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inputs,
   SetArgumentHandle(DNNL_ARG_SRC_1, inputs[1]->addr);
   SetArgumentHandle(DNNL_ARG_DST, outputs[0]->addr);
   ExecutePrimitive();
-  memcpy_s(inputs[0]->addr, inputs[0]->size, outputs[0]->addr, outputs[0]->size);
+  auto ret = memcpy_s(inputs[0]->addr, inputs[0]->size, outputs[0]->addr, outputs[0]->size);
+  if (ret != 0) {
+    MS_LOG(EXCEPTION) << "Memcpy_s error, errorno " << ret;
+    return false;
+  }
   return true;
 }
 }  // namespace kernel
diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/fused_batch_norm_cpu_kernel.cc b/mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/fused_batch_norm_cpu_kernel.cc
index 9cb821409d..a33886e92d 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/fused_batch_norm_cpu_kernel.cc
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/mkldnn/fused_batch_norm_cpu_kernel.cc
@@ -40,7 +40,7 @@ void FusedBatchNormCPUKernel::InitKernel(const CNodePtr &kernel_node) {
   }
   std::vector<size_t> x_shape = AnfAlgo::GetInputDeviceShape(kernel_node, 0);
   if (x_shape.size() != 4) {
-    MS_LOG(EXCEPTION) << "fused batchnorm only support nchw input!";
+    MS_LOG(EXCEPTION) << "Fused batchnorm only support nchw input!";
   }
   batch_size = x_shape[0];
   channel = x_shape[1];
@@ -71,11 +71,16 @@ bool FusedBatchNormCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inpu
                                      const std::vector<kernel::AddressPtr> &workspace,
                                      const std::vector<kernel::AddressPtr> &outputs) {
   if (inputs.size() < 5 || outputs.empty()) {
-    MS_LOG(EXCEPTION) << "error input output size!";
+    MS_LOG(EXCEPTION) << "Error input output size!";
   }
   auto wksp = reinterpret_cast<float *>(workspace[0]->addr);
-  memcpy_s(wksp, workspace[0]->size, inputs[1]->addr, inputs[1]->size);
-  memcpy_s(wksp + (inputs[1]->size / sizeof(float)), inputs[2]->size, inputs[2]->addr, inputs[2]->size);
+  auto scale_ret = memcpy_s(wksp, workspace[0]->size, inputs[1]->addr, inputs[1]->size);
+  auto max_size = workspace[0]->size - inputs[1]->size;
+  auto bias_ret = memcpy_s(wksp + (inputs[1]->size / sizeof(float)), max_size, inputs[2]->addr, inputs[2]->size);
+  if (scale_ret != 0 || bias_ret != 0) {
+    MS_LOG(EXCEPTION) << "Memcpy_s error.";
+    return false;
+  }
   if (is_train) {
     SetArgumentHandle(DNNL_ARG_SRC, inputs[0]->addr);
     SetArgumentHandle(DNNL_ARG_MEAN, outputs[3]->addr);