diff --git a/paddle/fluid/memory/allocation/npu_allocator.cc b/paddle/fluid/memory/allocation/npu_allocator.cc
index 4ecdee9bd03352201060911848647b60d3cc0203..faf7ae6221caaffeb3266b67c409b4bf61f476f0 100644
--- a/paddle/fluid/memory/allocation/npu_allocator.cc
+++ b/paddle/fluid/memory/allocation/npu_allocator.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/paddle/fluid/memory/allocation/npu_allocator.h b/paddle/fluid/memory/allocation/npu_allocator.h
index 738ec5d3ce120f3d08b887d3a84d4d79a1e9e1d6..bf668973505bab0b00b2da6111709e27236ffea6 100644
--- a/paddle/fluid/memory/allocation/npu_allocator.h
+++ b/paddle/fluid/memory/allocation/npu_allocator.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/paddle/fluid/platform/npu_info.cc b/paddle/fluid/platform/npu_info.cc
index 6920436399312e18cd9634327e080a4d5605038c..090945239a3a1fd7e74d5ed1826bbc73ccc795f6 100644
--- a/paddle/fluid/platform/npu_info.cc
+++ b/paddle/fluid/platform/npu_info.cc
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
+/* Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/paddle/fluid/platform/npu_info.h b/paddle/fluid/platform/npu_info.h
index 648b18531b2b7f3b5e00b09fed25279c1a68a2d7..1f392f1a534864caf0c10d02be4b7eaf46913a92 100644
--- a/paddle/fluid/platform/npu_info.h
+++ b/paddle/fluid/platform/npu_info.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
+/* Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/paddle/fluid/platform/stream/npu_stream.cc b/paddle/fluid/platform/stream/npu_stream.cc
index 2664ac7194bf2b5996a7237fcee57ba96fa48523..1c3e153e58cda7cbe4278b349be7e40725cc70db 100644
--- a/paddle/fluid/platform/stream/npu_stream.cc
+++ b/paddle/fluid/platform/stream/npu_stream.cc
@@ -1,4 +1,4 @@
-/* Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+/* Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
 
 licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/python/paddle/device.py b/python/paddle/device.py
index d5e4406454b1eb1ea9e1b681c0485496179e5869..20453998fb7ae9b588cf625a9b7d571ab42050dd 100644
--- a/python/paddle/device.py
+++ b/python/paddle/device.py
@@ -39,9 +39,11 @@ __all__ = [
 _cudnn_version = None
 
 
+# TODO: WITH_ASCEND_CL may changed to WITH_NPU or others in the future
+# for consistent.
 def is_compiled_with_npu():
     """
-    Whether this whl package can be used to run the model on NPU.
+    Whether paddle was built with WITH_ASCEND_CL=ON to support Ascend NPU.
 
     Returns (bool): `True` if NPU is supported, otherwise `False`.