diff --git a/mindspore/ccsrc/backend/common/pass/reduce_sum_optimizer.cc b/mindspore/ccsrc/backend/common/pass/reduce_sum_optimizer.cc
index eaf5a54aa0..d3ef0af01f 100644
--- a/mindspore/ccsrc/backend/common/pass/reduce_sum_optimizer.cc
+++ b/mindspore/ccsrc/backend/common/pass/reduce_sum_optimizer.cc
@@ -141,7 +141,7 @@ AnfNodePtr ReduceSumOptimizer::NewAssistValueNode(const CNodePtr &cnode, const K
         for (auto &iter : value_tuple->value()) {
           auto item = GetValue<int64_t>(iter->cast<ScalarPtr>());
           if (item < 0) {
-            (void)axes_value.emplace_back(item + x_shape->shape().size());
+            (void)axes_value.emplace_back(item + static_cast<int64_t>(x_shape->shape().size()));
           } else {
             (void)axes_value.emplace_back(item);
           }
diff --git a/mindspore/ccsrc/plugin/device/ascend/kernel/tbe/tbe_json/fusion_tbe_json_creator.cc b/mindspore/ccsrc/plugin/device/ascend/kernel/tbe/tbe_json/fusion_tbe_json_creator.cc
index b8ae04bc03..837ccba6d8 100644
--- a/mindspore/ccsrc/plugin/device/ascend/kernel/tbe/tbe_json/fusion_tbe_json_creator.cc
+++ b/mindspore/ccsrc/plugin/device/ascend/kernel/tbe/tbe_json/fusion_tbe_json_creator.cc
@@ -293,9 +293,10 @@ void FusionBuildTbeJsonCreator::GenReusedOutputDesc(const AnfNodePtr &anf_node,
 std::vector<size_t> FusionBuildTbeJsonCreator::GetDescOutputIndex(const std::vector<int64_t> &output_used_nums) {
   std::vector<size_t> desc_output_index = {};
   for (size_t idx = 0; idx < output_used_nums.size(); ++idx) {
-    (void)desc_output_index.emplace_back(idx);
-    if (output_used_nums[idx] > 1) {
-      desc_output_index.emplace_back(idx);
+    auto index = idx;
+    (void)desc_output_index.emplace_back(index);
+    if (output_used_nums[index] > 1) {
+      desc_output_index.emplace_back(index);
     }
   }
   return desc_output_index;