diff --git a/ge/graph/build/memory/graph_mem_assigner.cc b/ge/graph/build/memory/graph_mem_assigner.cc
index c3721554..119904ab 100755
--- a/ge/graph/build/memory/graph_mem_assigner.cc
+++ b/ge/graph/build/memory/graph_mem_assigner.cc
@@ -1700,6 +1700,10 @@ void GraphMemoryAssigner::PrintMemoryOffset() {
 ge::Status GraphMemoryAssigner::TryGetNodeRefIndexes(const NodePtr &node, map<int32_t, int32_t> &out2ins) const{
   for (const auto &out_data_anchor : node->GetAllOutDataAnchors()) {
     int32_t reuse_in_index = -1;
+    if (GraphUtils::IsNoPaddingRefFromInput(out_data_anchor, reuse_in_index)) {
+      out2ins.emplace(out_data_anchor->GetIdx(), reuse_in_index);
+      return ge::SUCCESS;
+    }
     bool reuse_input_flag = GraphUtils::IsRefFromInput(out_data_anchor, reuse_in_index);
     if (reuse_input_flag) {
       if (node->GetInDataAnchor(reuse_in_index) != nullptr) {