diff --git a/ppocr/losses/kie_sdmgr_loss.py b/ppocr/losses/kie_sdmgr_loss.py
index 34e107cfa9cb96c388c380246841952ef497d533..745671f58da91c108624097faea72d55c1877f6b 100644
--- a/ppocr/losses/kie_sdmgr_loss.py
+++ b/ppocr/losses/kie_sdmgr_loss.py
@@ -1,3 +1,17 @@
+# copyright (c) 2022 PaddlePaddle Authors. All Rights Reserve.
+#
+# 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.
+
 # reference from : https://github.com/open-mmlab/mmocr/blob/main/mmocr/models/kie/losses/sdmgr_loss.py
 
 from __future__ import absolute_import
diff --git a/ppocr/modeling/heads/kie_sdmgr_head.py b/ppocr/modeling/heads/kie_sdmgr_head.py
index ea96b595fd2656eba05b1d7b9bd732a4f32c1574..ac5f73fa7e5b182faa1456e069da79118d6f7068 100644
--- a/ppocr/modeling/heads/kie_sdmgr_head.py
+++ b/ppocr/modeling/heads/kie_sdmgr_head.py
@@ -1,3 +1,16 @@
+# copyright (c) 2022 PaddlePaddle Authors. All Rights Reserve.
+#
+# 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.
 # reference from : https://github.com/open-mmlab/mmocr/blob/main/mmocr/models/kie/heads/sdmgr_head.py
 
 from __future__ import absolute_import