diff --git a/ge/graph/optimize/mem_rw_conflict_optimize.cc b/ge/graph/optimize/mem_rw_conflict_optimize.cc
index 8d8e48ad..e8479631 100644
--- a/ge/graph/optimize/mem_rw_conflict_optimize.cc
+++ b/ge/graph/optimize/mem_rw_conflict_optimize.cc
@@ -625,7 +625,10 @@ Status InsertIdentityAsNeeded(const NodePtr &node) {
 }
 Status HandleAllreduceDuplicateInput(ComputeGraphPtr &compute_graph) {
    for (const auto &node : compute_graph->GetDirectNode()) {
-     if (node->GetType() == HCOMALLREDUCE) {
+     bool is_input_continuous = false;
+     GE_CHECK_NOTNULL(node->GetOpDesc());
+     (void) ge::AttrUtils::GetBool(node->GetOpDesc(), ATTR_NAME_CONTINUOUS_INPUT, is_input_continuous);
+     if (is_input_continuous) {
        std::set<OutDataAnchorPtr> pre_out_anchor_set;
        for (const auto &in_data_anchor : node->GetAllInDataAnchors()) {
          auto pre_out_anchor = in_data_anchor->GetPeerOutAnchor();
diff --git a/ge/host_kernels/strided_slice_kernel.cc b/ge/host_kernels/strided_slice_kernel.cc
index b76e5c6d..408a7994 100644
--- a/ge/host_kernels/strided_slice_kernel.cc
+++ b/ge/host_kernels/strided_slice_kernel.cc
@@ -298,7 +298,7 @@ void StridedSliceKernel::ExpandStrideWithEllipsisMask(const size_t x_dims_num,
       end_mask *= end_mask * (kMaskBitLeftUnit << (x_dims_num - orig_end_vec.size() - 1));
       attr_value_map_.at(STRIDE_SLICE_ATTR_END_MASK) = end_mask;
     }
-    for (auto i = 0; i < x_dims_num; ++i) {
+    for (size_t i = 0; i < x_dims_num; ++i) {
       bool ellipsis_mask_flag = attr_value_map_.at(STRIDE_SLICE_ATTR_ELLIPSIS_MASK) & (kMaskBitLeftUnit << i);
       if (ellipsis_mask_flag) {
         auto ellipsis_dim = i;
@@ -306,7 +306,7 @@ void StridedSliceKernel::ExpandStrideWithEllipsisMask(const size_t x_dims_num,
         orig_end_vec[i] = x_dims.at(i);
         orig_stride_vec[i] = 1;
         if (orig_begin_vec.size() < x_dims_num) {
-          for (auto j = 1; j < (x_dims_num - orig_begin_vec.size() + 1); ++j) {
+          for (size_t j = 1; j < (x_dims_num - orig_begin_vec.size() + 1); ++j) {
             orig_begin_vec.insert((orig_begin_vec.begin() + ellipsis_dim + j), 0);
             orig_end_vec.insert((orig_end_vec.begin() + ellipsis_dim + j), x_dims.at(ellipsis_dim +j));
             orig_stride_vec.insert((orig_begin_vec.begin() + ellipsis_dim + j), 1);
@@ -321,7 +321,6 @@ Status StridedSliceKernel::MaskCal(const size_t i, int64_t &begin_i, int64_t &en
   auto i_temp = static_cast<uint32_t>(i);
   bool begin_mask_flag = (attr_value_map_.at(STRIDE_SLICE_ATTR_BEGIN_MASK) & (kMaskBitLeftUnit << i_temp));
   bool end_mask_flag = (attr_value_map_.at(STRIDE_SLICE_ATTR_END_MASK) & (kMaskBitLeftUnit << i_temp));
-  bool ellipsis_mask_flag = (attr_value_map_.at(STRIDE_SLICE_ATTR_ELLIPSIS_MASK) & (kMaskBitLeftUnit << i_temp));
   bool shrink_mask_flag = (attr_value_map_.at(STRIDE_SLICE_ATTR_SHRINK_AXIS_MASK) & (kMaskBitLeftUnit << i_temp));
   if (shrink_mask_flag) {
     begin_i = (begin_i < 0 ? (dim_i + begin_i) : begin_i);