diff --git a/display/buffer/v1_3/IMapper.idl b/display/buffer/v1_3/IMapper.idl
index 318ce3049e3bfb377da2b30fc735237b14732ad0..70bea65d4c55eb9d761ff4c9a197f16e628bd118 100644
--- a/display/buffer/v1_3/IMapper.idl
+++ b/display/buffer/v1_3/IMapper.idl
@@ -19,6 +19,18 @@ import ohos.hdi.display.buffer.v1_2.DisplayBufferType;
 import ohos.hdi.display.buffer.v1_2.IMapper;
 
 interface IMapper extends ohos.hdi.display.buffer.v1_2.IMapper {
+    /**
+     * @brief the function to alloc memory
+     *
+     * @param info describs the buffer to be alloced
+     * @param handle the allocated buffer handle
+     *
+     * @return Returns <b>0</b> if the operation is successful; returns an error code defined
+     * in {@link DispErrCode} otherwise.
+     * @since 6.0
+     * @version 1.3
+     */
+    AllocMem([in] struct AllocInfo info, [out] NativeBuffer handle);
     /**
      * @brief get iamge position
      *
@@ -30,6 +42,6 @@ interface IMapper extends ohos.hdi.display.buffer.v1_2.IMapper {
      * @since 6.0
      * @version 1.3
      */
-    AllocMem([in] struct AllocInfo info, [out] NativeBuffer handle);
+    ReAllocMem([in] struct AllocInfo info, [in] NativeBuffer inHandle, [out] NativeBuffer outHandle);
     IsSupportAllocPassthrough([in] struct AllocInfo info);
 }
diff --git a/display/buffer/v1_3/hdi_impl/display_buffer_hdi_impl.h b/display/buffer/v1_3/hdi_impl/display_buffer_hdi_impl.h
index bba4ccb8f36f39f2dc96e36bcbb1db4ee2c0a14c..6b03879e86f7ce620da31fb37696a57ba5a51e82 100644
--- a/display/buffer/v1_3/hdi_impl/display_buffer_hdi_impl.h
+++ b/display/buffer/v1_3/hdi_impl/display_buffer_hdi_impl.h
@@ -107,6 +107,26 @@ public:
         }
     }
 
+    virtual int32_t ReAllocMem(const V1_0::AllocInfo& info, const BufferHandle& inHandle,
+        BufferHandle*& outHandle)const override
+    {
+        DISPLAY_TRACE;
+        CHECK_NULLPOINTER_RETURN_VALUE(mapper_v1_3_, HDF_FAILURE);
+
+        sptr<NativeBuffer> hdiInBuffer = new NativeBuffer();
+        CHECK_NULLPOINTER_RETURN_VALUE(hdiInBuffer, HDF_FAILURE);
+        sptr<NativeBuffer> hdiOutBuffer;
+
+        hdiInBuffer->SetBufferHandle(const_cast<BufferHandle*>(&inHandle));
+        int32_t ret = mapper_v1_3_->ReAllocMem(info, hdiInBuffer, hdiOutBuffer);
+        if ((ret == HDF_SUCCESS) && (hdiOutBuffer != nullptr)) {
+            outHandle = hdiOutBuffer->Move();
+        } else {
+            return AllocMemIpc(info, outHandle);
+        }
+        return ret;
+    }
+
 private:
     using BaseType3_0 = V1_2::DisplayBufferHdiImpl<Interface>;
 protected:
diff --git a/display/buffer/v1_3/include/idisplay_buffer.h b/display/buffer/v1_3/include/idisplay_buffer.h
index 881ddf9379ff441da928c5a8642d1120c857d834..aabf1fd252df5b314e4a0bc47000e0db75e614e7 100644
--- a/display/buffer/v1_3/include/idisplay_buffer.h
+++ b/display/buffer/v1_3/include/idisplay_buffer.h
@@ -38,6 +38,8 @@ public:
      */
     static IDisplayBuffer *Get();
     virtual int32_t AllocMem(const V1_0::AllocInfo& info, BufferHandle*& handle) const = 0;
+    virtual int32_t ReAllocMem(const V1_0::AllocInfo& info, const BufferHandle& inHandle,
+        BufferHandle*& outHandle) const = 0;
 };
 } // namespace V1_3
 } // namespace Buffer