diff --git a/__init__.py b/__init__.py
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..abf198b97e6e818e1fbe59006f98492640bcee54 100755
--- a/__init__.py
+++ b/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2020 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.
diff --git a/metrics/auc_metrics.py b/metrics/auc_metrics.py
index 788c3567ce5bcfbf5618a5349ae4c348b3ecb7bb..4c937bdef2599402de5228208e679d120346e8d1 100644
--- a/metrics/auc_metrics.py
+++ b/metrics/auc_metrics.py
@@ -1,3 +1,16 @@
+# Copyright (c) 2020 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 numpy as np
diff --git a/metrics/base.py b/metrics/base.py
index 251422f7fd1ad91469de59bc54d8f56e9ed81029..469fd56c8cb97c8e21739b402b4b89daab57bde9 100644
--- a/metrics/base.py
+++ b/metrics/base.py
@@ -1,6 +1,17 @@
-"""
-Do metric jobs. calculate AUC, MSE, COCP ...
-"""
+# Copyright (c) 2020 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 abc
 
 
diff --git a/models/__init__.py b/models/__init__.py
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..abf198b97e6e818e1fbe59006f98492640bcee54 100644
--- a/models/__init__.py
+++ b/models/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2020 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.
diff --git a/models/base.py b/models/base.py
index d651567d811675a0a692168f477db6570509df1d..47b48c79b72d6d49310a07c6a9c9c6767b4e6dd5 100644
--- a/models/base.py
+++ b/models/base.py
@@ -1,6 +1,17 @@
-"""
-Model Net: analyse layer config, and parse to Paddle Pragram
-"""
+# Copyright (c) 2020 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 abc
 import copy
 import yaml
diff --git a/models/ctr_dnn/model.py b/models/ctr_dnn/model.py
index 31018026370d5eb1ce8a26290f05bb8b60d44257..35d1a52a99743c2e4128849fad488d0c26f8d656 100644
--- a/models/ctr_dnn/model.py
+++ b/models/ctr_dnn/model.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2020 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 paddle.fluid as fluid
 
diff --git a/models/ctr_dnn/reader.py b/models/ctr_dnn/reader.py
index 93f5f9cfdd2993b83c5d90eb49febc9d2b66eb18..7806fc4604d60b09c1a3786c31dc2dfaf6d64621 100644
--- a/models/ctr_dnn/reader.py
+++ b/models/ctr_dnn/reader.py
@@ -1,3 +1,16 @@
+# Copyright (c) 2020 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 ...utils import envs
 
diff --git a/models/layers.py b/models/layers.py
index b214cc647eda168ab77b7f4c2330b085b5bc8b35..6f79e64dec1df2c0e6cc4d70ac0aceda682708d4 100644
--- a/models/layers.py
+++ b/models/layers.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2020 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
 from .base import Layer
 
diff --git a/reader/__init__.py b/reader/__init__.py
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..abf198b97e6e818e1fbe59006f98492640bcee54 100644
--- a/reader/__init__.py
+++ b/reader/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2020 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.
diff --git a/reader/data_loader.py b/reader/data_loader.py
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..abf198b97e6e818e1fbe59006f98492640bcee54 100644
--- a/reader/data_loader.py
+++ b/reader/data_loader.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2020 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.
diff --git a/reader/dataset.py b/reader/dataset.py
index c417148893d7facc50dd5a0ee9aa87d1178a56c2..66450aed28222606cb4aa00a80d64354252d5572 100755
--- a/reader/dataset.py
+++ b/reader/dataset.py
@@ -1,6 +1,17 @@
-"""
-Define Dataset
-"""
+# Copyright (c) 2020 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 abc
 import copy
 import yaml
diff --git a/trainer/cluster_training_local.py b/trainer/cluster_training_local.py
new file mode 100644
index 0000000000000000000000000000000000000000..f90d7b181da33274f4075a693571c9dcad0abefa
--- /dev/null
+++ b/trainer/cluster_training_local.py
@@ -0,0 +1,77 @@
+# Copyright (c) 2020 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 print_function
+import os
+import time
+import numpy as np
+import logging
+import paddle.fluid as fluid
+from network import CTR
+from argument import params_args
+
+logging.basicConfig(format="%(asctime)s - %(levelname)s - %(message)s")
+logger = logging.getLogger("fluid")
+logger.setLevel(logging.INFO)
+
+
+def get_dataset(inputs, params):
+    dataset = fluid.DatasetFactory().create_dataset()
+    dataset.set_use_var(inputs)
+    dataset.set_pipe_command("python dataset_generator.py")
+    dataset.set_batch_size(params.batch_size)
+    dataset.set_thread(int(params.cpu_num))
+    file_list = [
+        str(params.train_files_path) + "/%s" % x
+        for x in os.listdir(params.train_files_path)
+    ]
+    dataset.set_filelist(file_list)
+    logger.info("file list: {}".format(file_list))
+    return dataset
+
+
+def train(params):
+    ctr_model = CTR()
+    inputs = ctr_model.input_data(params)
+    avg_cost, auc_var, batch_auc_var = ctr_model.net(inputs, params)
+    optimizer = fluid.optimizer.Adam(params.learning_rate)
+    optimizer.minimize(avg_cost)
+    fluid.default_main_program()
+    exe = fluid.Executor(fluid.CPUPlace())
+    exe.run(fluid.default_startup_program())
+    dataset = get_dataset(inputs, params)
+
+    logger.info("Training Begin")
+    for epoch in range(params.epochs):
+        start_time = time.time()
+        exe.train_from_dataset(program=fluid.default_main_program(),
+                               dataset=dataset,
+                               fetch_list=[auc_var],
+                               fetch_info=["Epoch {} auc ".format(epoch)],
+                               print_period=100,
+                               debug=False)
+        end_time = time.time()
+        logger.info("epoch %d finished, use time=%d\n" %
+                    ((epoch), end_time - start_time))
+
+        if params.test:
+            model_path = (str(params.model_path) + "/" + "epoch_" + str(epoch))
+            fluid.io.save_persistables(executor=exe, dirname=model_path)
+
+    logger.info("Train Success!")
+
+
+if __name__ == "__main__":
+    params = params_args()
+    train(params)
\ No newline at end of file
diff --git a/trainer/cluster_training_offline.py b/trainer/cluster_training_offline.py
new file mode 100644
index 0000000000000000000000000000000000000000..abf198b97e6e818e1fbe59006f98492640bcee54
--- /dev/null
+++ b/trainer/cluster_training_offline.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2020 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.
diff --git a/trainer/ctr_trainer.py b/trainer/ctr_trainer.py
index 62444dbc48350554d3e7d77f301b95bda718521f..2448ff4fae27dd3603debde68e580b7e6b2504ac 100755
--- a/trainer/ctr_trainer.py
+++ b/trainer/ctr_trainer.py
@@ -1,6 +1,17 @@
-"""
-A paddle trainer Adapt to Ctr
-"""
+# Copyright (c) 2020 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 abc
 import sys
 import copy
diff --git a/trainer/trainer.py b/trainer/trainer.py
index 331cf3481536cd01a53f5abd914a567be5922f60..e56ed0d755596696781f00a846d0b562a0742c03 100755
--- a/trainer/trainer.py
+++ b/trainer/trainer.py
@@ -1,6 +1,17 @@
-"""
-Define A Trainer Base
-"""
+# Copyright (c) 2020 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 abc
 import time
 
diff --git a/utils/__init__.py b/utils/__init__.py
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..abf198b97e6e818e1fbe59006f98492640bcee54 100644
--- a/utils/__init__.py
+++ b/utils/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2020 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.
diff --git a/utils/envs.py b/utils/envs.py
index e68683e2ea87942aa6fda4c78754c8180825c2e2..51e5b641075310a8992aae8cb34682f2ba79f0a6 100644
--- a/utils/envs.py
+++ b/utils/envs.py
@@ -1,3 +1,18 @@
+# Copyright (c) 2020 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
 
 
diff --git a/utils/fs.py b/utils/fs.py
index f8d6bb98d36ff036001b6bdeba81d7406e9313e0..b4f129a92777387fd12c2f265d0534f83dfc2062 100755
--- a/utils/fs.py
+++ b/utils/fs.py
@@ -1,6 +1,17 @@
-"""
-util for file_system io
-"""
+# Copyright (c) 2020 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
 from paddle.fluid.incubate.fleet.utils.hdfs import HDFSClient
diff --git a/utils/table.py b/utils/table.py
index 6d3ccb3ae85a45e9f538d7055921bc8dcda0ad6a..7c86d0f03edb47a7835ab7364ebe318985d091e2 100755
--- a/utils/table.py
+++ b/utils/table.py
@@ -1,6 +1,17 @@
-"""
-Construct ParamTable Meta 
-"""
+# Copyright (c) 2020 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 copy
 import yaml
 
diff --git a/utils/util.py b/utils/util.py
index 7f0e3ca858b0d758207adba26b358a6823e30bca..950aa59c4786328c90a711baebab752b51b78b17 100755
--- a/utils/util.py
+++ b/utils/util.py
@@ -1,6 +1,17 @@
-"""
-Util lib
-"""
+# Copyright (c) 2020 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 datetime