diff --git a/ppdet/data/tests/run_all_tests.py b/ppdet/data/tests/run_all_tests.py
index 220b9f4fbe2022b2deef7944caf9026260d8084d..a1882d5dd38a4da14335244e7603af47568b7bbf 100644
--- a/ppdet/data/tests/run_all_tests.py
+++ b/ppdet/data/tests/run_all_tests.py
@@ -1,3 +1,16 @@
+#   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.
 #!/usr/bin/python
 #-*-coding:utf-8-*-
 """Run all tests
diff --git a/ppdet/data/tests/set_env.py b/ppdet/data/tests/set_env.py
index 0f97e0164d28c0628b5915e176cc0d35e5952f11..bc46ac0f10e3b1690cf59bd6803eedd0bee6d9d4 100644
--- a/ppdet/data/tests/set_env.py
+++ b/ppdet/data/tests/set_env.py
@@ -1,3 +1,16 @@
+#   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 sys
 import os
 import six
diff --git a/ppdet/data/tests/test_iterator_source.py b/ppdet/data/tests/test_iterator_source.py
index 1d8604177b8fee8374c572a5afe2e779769a5097..c32a734fb258dce2205d24f1dc60479fadaf57a6 100644
--- a/ppdet/data/tests/test_iterator_source.py
+++ b/ppdet/data/tests/test_iterator_source.py
@@ -1,3 +1,16 @@
+#   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 os
 import time
 import unittest
diff --git a/ppdet/data/tests/test_operator.py b/ppdet/data/tests/test_operator.py
index 05544bd226beae7af6eb165d40b5b1089a96b1f9..85d5b229d48fab968f38639d5f7533e5646f25c3 100644
--- a/ppdet/data/tests/test_operator.py
+++ b/ppdet/data/tests/test_operator.py
@@ -1,3 +1,16 @@
+#   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 os
 import unittest
 import logging
diff --git a/ppdet/data/tests/test_reader.py b/ppdet/data/tests/test_reader.py
index 48fbc9d2cc49d3d222daeb3609cf840ade045645..e94484dff077d9b12a82f7337cd9cb165e8bd23f 100644
--- a/ppdet/data/tests/test_reader.py
+++ b/ppdet/data/tests/test_reader.py
@@ -1,3 +1,16 @@
+#   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 os
 import time
 import unittest
diff --git a/ppdet/data/tests/test_roidb_source.py b/ppdet/data/tests/test_roidb_source.py
index ad197ce2a93bddaf5ae1686f5e4bc89facf3d7f2..105cc9cd7d9d971bf2a3f69cccf251ce2943275a 100644
--- a/ppdet/data/tests/test_roidb_source.py
+++ b/ppdet/data/tests/test_roidb_source.py
@@ -1,3 +1,16 @@
+#   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 os
 import time
 import unittest
diff --git a/ppdet/data/tests/test_transformer.py b/ppdet/data/tests/test_transformer.py
index 47c177e44469e131db2b8fb153386c00b93e6ced..9123669293e6d0f432d1e90aa32e933d7fb6851c 100644
--- a/ppdet/data/tests/test_transformer.py
+++ b/ppdet/data/tests/test_transformer.py
@@ -1,3 +1,16 @@
+#   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 os
 import time
 import unittest