diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/embedding_look_up_cpu_kernel.cc b/mindspore/ccsrc/backend/kernel_compiler/cpu/embedding_look_up_cpu_kernel.cc
index 578ab4b963..25f8504614 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/embedding_look_up_cpu_kernel.cc
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/embedding_look_up_cpu_kernel.cc
@@ -23,19 +23,20 @@ namespace mindspore {
 namespace kernel {
 namespace {
 template <typename T>
-void LookUpTableTask(const float *input_addr, const T *indices_addr, const float *output_max_addr, float *output_addr,
-                     size_t indices_lens, size_t outer_dim_size, T offset, size_t first_dim_size) {
-  size_t lens = outer_dim_size * sizeof(float);
+void LookUpTableTask(const float *input_addr, const T *indices_addr, float *output_addr, size_t indices_lens,
+                     size_t outer_dim_size, T offset, size_t first_dim_size) {
+  auto type_size = sizeof(float);
+  size_t lens = outer_dim_size * type_size;
   for (size_t i = 0; i < indices_lens; ++i) {
     T index = indices_addr[i] - offset;
     if (index >= 0 && index < SizeToInt(first_dim_size)) {
       size_t pos = index * outer_dim_size;
-      auto ret = memcpy_s(output_addr, output_max_addr - output_addr, input_addr + pos, lens);
+      auto ret = memcpy_s(output_addr, (indices_lens - i) * lens, input_addr + pos, lens);
       if (ret != EOK) {
         MS_LOG(EXCEPTION) << "LookUpTable task memcpy failed.";
       }
     } else {
-      auto ret = memset_s(output_addr, output_max_addr - output_addr, 0, lens);
+      auto ret = memset_s(output_addr, (indices_lens - i) * lens, 0, lens);
       if (ret != EOK) {
         MS_LOG(EXCEPTION) << "LookUpTable task memset failed.";
       }
@@ -82,7 +83,7 @@ void EmbeddingLookUpCPUKernel::LaunchKernel(const std::vector<kernel::AddressPtr
       break;
     }
     MS_LOG(DEBUG) << "task_offset: " << task_offset << " task_proc_lenss:" << task_proc_lens;
-    threads[i] = std::thread(LookUpTableTask<T>, input_addr, indices_addr + task_offset, output_addr + outputs[0]->size,
+    threads[i] = std::thread(LookUpTableTask<T>, input_addr, indices_addr + task_offset,
                              output_addr + task_offset * outer_dim_size_, task_proc_lens, outer_dim_size_, offset_,
                              first_dim_size_);
     task_offset += task_proc_lens;