diff --git a/ge/graph/build/memory/block_mem_assigner.cc b/ge/graph/build/memory/block_mem_assigner.cc
index b07bfc1b..d782267b 100755
--- a/ge/graph/build/memory/block_mem_assigner.cc
+++ b/ge/graph/build/memory/block_mem_assigner.cc
@@ -545,7 +545,8 @@ bool CanReuseBySize(const map<string, uint64_t> &reusable_block_counts, const Me
 }
 
 bool BlockMemAssigner::IsOutNodeSetContinuousInput(const NodePtr &n, uint32_t out_index, std::string &peer_name,
-                                                   uint32_t &peer_input_index, bool &no_need_assign_memory) {
+                                                   uint32_t &peer_input_index,
+                                                   bool &no_need_assign_memory, bool &reset_zero_copy_flag) {
   if (n == nullptr || n->GetAllOutDataAnchors().size() <= 0) {
     return false;
   }
@@ -571,6 +572,13 @@ bool BlockMemAssigner::IsOutNodeSetContinuousInput(const NodePtr &n, uint32_t ou
                       return false;);
 
       // If GetBool fail, is_input_continuous is false.
+      bool is_input_continuous_no_padding = false;
+      (void)ge::AttrUtils::GetBool(peer_in_node_desc, ATTR_NAME_NOPADDING_CONTINUOUS_INPUT,
+                                   is_input_continuous_no_padding);
+      if (is_input_continuous_no_padding) {
+        reset_zero_copy_flag = true;
+        return false;
+      }
       (void)ge::AttrUtils::GetBool(peer_in_node_desc, ATTR_NAME_CONTINUOUS_INPUT, is_input_continuous);
 
       GE_IF_BOOL_EXEC(is_input_continuous && CheckIsZeroMemNodeType(peer_node->GetType()),
@@ -1249,10 +1257,11 @@ Status BlockMemAssigner::AssignOutputMemoryWithReuse(const NodePtr &node, vector
     std::string peer_name;
     uint32_t peer_input_index = 0;
     bool out_node_set_continuous_input = false;
+    bool reset_zero_copy_flag = false;
     bool no_need_assign_memory = ((size == 0) || CheckIsZeroMemNodeType(node->GetType()));
     if (!no_need_assign_memory) {
       out_node_set_continuous_input =
-          IsOutNodeSetContinuousInput(node, i, peer_name, peer_input_index, no_need_assign_memory);
+          IsOutNodeSetContinuousInput(node, i, peer_name, peer_input_index, no_need_assign_memory, reset_zero_copy_flag);
       GE_IF_BOOL_EXEC(!no_need_assign_memory,
           no_need_assign_memory = IsAtomicOutputMemory(node, i, is_atomic, out_node_set_continuous_input););
     }
@@ -1269,6 +1278,9 @@ Status BlockMemAssigner::AssignOutputMemoryWithReuse(const NodePtr &node, vector
 
     MemoryBlock *mem_block = ApplyOutMemory(node, i, ranges, is_op_reuse_mem_, out_node_set_continuous_input);
     if (mem_block != nullptr) {
+      GE_IF_BOOL_EXEC(reset_zero_copy_flag,
+        memory_block->is_zero_copy_ = false;
+        GELOGI("Node[%s] output[%u] need assign memory before reassign.", op_desc->GetName().c_str(), i););
       node_out_blocks_[node->GetName()].emplace_back(mem_block);
       if (out_node_set_continuous_input) {
         node_continuous_input_blocks_[peer_name][peer_input_index] = mem_block;
diff --git a/ge/graph/build/memory/block_mem_assigner.h b/ge/graph/build/memory/block_mem_assigner.h
index c2192377..f3d26c1d 100755
--- a/ge/graph/build/memory/block_mem_assigner.h
+++ b/ge/graph/build/memory/block_mem_assigner.h
@@ -390,7 +390,7 @@ class BlockMemAssigner : public MemAssigner {
   bool IsZeroCopyBlock(const NodePtr &node, bool continuous);
 
   bool IsOutNodeSetContinuousInput(const NodePtr &n, uint32_t out_index, std::string &peer_name,
-                                   uint32_t &peer_input_index, bool &no_need_assign_memory);
+                                   uint32_t &peer_input_index, bool &no_need_assign_memory, bool &reset_zero_copy_flag);
 
   ///
   /// @ingroup GE