diff --git a/x2paddle/decoder/paddle_decoder.py b/x2paddle/decoder/paddle_decoder.py
index 77dae2d4eed9ed41912324d05dcf473cc7327a7e..c915c4da19429e0998d8807a16cf7116da59cbe5 100644
--- a/x2paddle/decoder/paddle_decoder.py
+++ b/x2paddle/decoder/paddle_decoder.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 paddle.fluid as fluid
 
 
diff --git a/x2paddle/op_mapper/paddle_op_mapper.py b/x2paddle/op_mapper/paddle_op_mapper.py
index 690237419f327ea23d19387dfbb5f9f636a65050..7b5e9fb3efa389986eb0aab7b10c71779d17262b 100644
--- a/x2paddle/op_mapper/paddle_op_mapper.py
+++ b/x2paddle/op_mapper/paddle_op_mapper.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 math
 import x2paddle
 import os