diff --git a/mnist.py b/mnist.py
index 860de566b7c5d4c519f753ed4daf1747cc4ef9fb..29094f6d7cb3ab5b1bbe869e8aff42eeee6057a1 100644
--- a/mnist.py
+++ b/mnist.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2019 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.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import contextlib
 
 import numpy as np
diff --git a/model.py b/model.py
index c90db0672cce519a0e23a592d25b5e4f78d21fd0..5cf0a647bf1592970b84238c1514933c218bd47c 100644
--- a/model.py
+++ b/model.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2019 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.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 from __future__ import absolute_import
 
 import inspect