diff --git a/ge/graph/build/memory/graph_mem_assigner.cc b/ge/graph/build/memory/graph_mem_assigner.cc
index 1cdb2efa..9b2da3c7 100644
--- a/ge/graph/build/memory/graph_mem_assigner.cc
+++ b/ge/graph/build/memory/graph_mem_assigner.cc
@@ -89,6 +89,14 @@ Status VariableMemoryAssigner::AssignVarAttr2Nodes() {
   return ge::SUCCESS;
 }
 
+Status VariableMemoryAssigner::AssignMemory2HasRefAttrNode() {
+  Status result = ge::VarMemAssignUtil::AssignMemory2HasRefAttrNode(compute_graph_);
+  if (result != ge::SUCCESS) {
+    return result;
+  }
+  return ge::SUCCESS;
+}
+
 Status GraphMemoryAssigner::AssignMemory() {
   ge::HybridMemAssignerPtr mem_assigner(new (std::nothrow) HybridMemAssigner(compute_graph_));
   if (mem_assigner->Assign() != ge::SUCCESS) {
@@ -131,6 +139,19 @@ ge::Status GraphMemoryAssigner::AssignVarAttr2Nodes() {
   return ge::SUCCESS;
 }
 
+ge::Status GraphMemoryAssigner::AssignMemory2HasRefAttrNode() {
+  auto variable_assigner =
+      std::unique_ptr<ge::VariableMemoryAssigner>(new(std::nothrow) ge::VariableMemoryAssigner(compute_graph_));
+  if (variable_assigner == nullptr) {
+    GELOGE(ge::FAILED, "Alloc VariableMemoryAssigner failed.");
+    return ge::FAILED;
+  }
+  if (variable_assigner->AssignMemory2HasRefAttrNode() != ge::SUCCESS) {
+    return ge::FAILED;
+  }
+  return ge::SUCCESS;
+}
+
 ge::Status GraphMemoryAssigner::CalculateTensorRealSizeAndOutSize(const ge::ConstGeTensorDescPtr &output_desc,
                                                                   int64_t dim_index, int64_t &output_mem_size,
                                                                   int64_t &batch_dim_num, int64_t &out_size) {
diff --git a/ge/graph/build/memory/graph_mem_assigner.h b/ge/graph/build/memory/graph_mem_assigner.h
index 201e6d01..966cbd14 100644
--- a/ge/graph/build/memory/graph_mem_assigner.h
+++ b/ge/graph/build/memory/graph_mem_assigner.h
@@ -63,6 +63,8 @@ class VariableMemoryAssigner {
   ///
   ge::Status AssignVarAttr2Nodes();
 
+  ge::Status AssignMemory2HasRefAttrNode();
+
  private:
   ge::ComputeGraphPtr compute_graph_;
 };
@@ -99,6 +101,8 @@ class GraphMemoryAssigner {
 
   ge::Status ReAssignMemory(bool is_loop_graph, size_t &mem_offset);
 
+  ge::Status AssignMemory2HasRefAttrNode();
+
   ge::Status AssignZeroCopyMemory(size_t &mem_offset, size_t &zero_mem_copy_size);
 
   ge::Status SetInputOffset();
diff --git a/ge/graph/build/memory/memory_assigner.cc b/ge/graph/build/memory/memory_assigner.cc
index e36f082e..40a72f37 100644
--- a/ge/graph/build/memory/memory_assigner.cc
+++ b/ge/graph/build/memory/memory_assigner.cc
@@ -40,6 +40,11 @@ Status MemoryAssigner::AssignMemory(bool is_loop_graph, size_t &mem_offset, size
     return ge::FAILED;
   }
 
+  if (graph_mem_assigner.AssignMemory2HasRefAttrNode() != ge::SUCCESS) {
+    GELOGE(ge::FAILED, "Assign reference memory failed!");
+    return ge::FAILED;
+  }
+
   // Assign memory for reference
   if (graph_mem_assigner.AssignReferenceMemory() != ge::SUCCESS) {
     GELOGE(ge::FAILED, "Assign reference memory failed!");
diff --git a/ge/graph/build/memory/var_mem_assign_util.cc b/ge/graph/build/memory/var_mem_assign_util.cc
index a352cf65..605f918d 100644
--- a/ge/graph/build/memory/var_mem_assign_util.cc
+++ b/ge/graph/build/memory/var_mem_assign_util.cc
@@ -34,7 +34,6 @@ using std::vector;
 namespace ge {
 Status VarMemAssignUtil::AssignVarMemory(ge::ComputeGraphPtr &compute_graph) {
   GE_CHK_STATUS_RET(AssignMemory2VariableNode(compute_graph));
-  GE_CHK_STATUS_RET(AssignMemory2HasRefAttrNode(compute_graph));
 
   return SUCCESS;
 }
diff --git a/ge/hybrid/common/npu_memory_allocator.cc b/ge/hybrid/common/npu_memory_allocator.cc
index cbb556e2..50696f29 100644
--- a/ge/hybrid/common/npu_memory_allocator.cc
+++ b/ge/hybrid/common/npu_memory_allocator.cc
@@ -45,16 +45,9 @@ NpuMemoryAllocator *NpuMemoryAllocator::GetAllocator() {
 NpuMemoryAllocator::NpuMemoryAllocator(uint32_t device_id) : device_id_(device_id) {}
 
 void *NpuMemoryAllocator::Allocate(std::size_t size, AllocationAttr *attr) {
-  void *try_reuse_addr = nullptr;
   size_t allocate_size = size;
   MemStorageType mem_type = HBM;
   if (attr != nullptr) {
-    try_reuse_addr = attr->try_reuse_addr_;
-    if (attr->padding_ != 0) {
-      // padding up to multiple of attr->padding, and add extra attr->padding_
-      allocate_size = (size + 2 * attr->padding_ - 1) / attr->padding_ * attr->padding_;
-      GELOGD("Padding size %ld by %d. final size = %zu.", size, attr->padding_, allocate_size);
-    }
     mem_type = attr->mem_type_;
   }
 
@@ -69,6 +62,18 @@ void *NpuMemoryAllocator::Allocate(std::size_t size, AllocationAttr *attr) {
   } else if (mem_type == HOST_DDR) {
     buffer = malloc(allocate_size);
   } else {
+    void *try_reuse_addr = nullptr;
+    int padding = kDefaultPadding;
+    if (attr != nullptr) {
+      try_reuse_addr = attr->try_reuse_addr_;
+      if (attr->padding_ > 0) {
+        padding = attr->padding_;
+      }
+
+      // padding up to multiple of padding, and add extra padding
+      allocate_size = (size + 2 * padding - 1) / padding * padding;
+      GELOGD("Padding size %ld by %d. final size = %zu.", size, padding, allocate_size);
+    }
     buffer = MemManager::Instance()
                .CachingInstance(RT_MEMORY_HBM)
                .Malloc(allocate_size, reinterpret_cast<uint8_t *>(try_reuse_addr), device_id_);