diff --git a/lite/demo/cxx/ocr/ocr_db_crnn.cc b/lite/demo/cxx/ocr/ocr_db_crnn.cc
index 2164cfc15f3b95873ad6f13dae267699ce41553a..05fd33d2e19b27b5421c9f52e3be72f26f274357 100644
--- a/lite/demo/cxx/ocr/ocr_db_crnn.cc
+++ b/lite/demo/cxx/ocr/ocr_db_crnn.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
+// 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.
diff --git a/lite/demo/cxx/ocr/utils/crnn_process.cpp b/lite/demo/cxx/ocr/utils/crnn_process.cpp
index a52502e5576b6a703f71597ae80bbd44c4f26076..c48ab8256ed82bba60b2b6f507a062c4111f174a 100644
--- a/lite/demo/cxx/ocr/utils/crnn_process.cpp
+++ b/lite/demo/cxx/ocr/utils/crnn_process.cpp
@@ -1,6 +1,16 @@
+// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
 //
-// Created by liuweiwei06 on 2020-06-23.
+// 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.
 
 #include <iostream>
 #include <vector>
diff --git a/lite/demo/cxx/ocr/utils/db_post_process.cpp b/lite/demo/cxx/ocr/utils/db_post_process.cpp
index 5b82f918abe8ca5d6d4d0096790ea2160b4cdc16..9f831605d9aa89e7aa1154c785c851d034d5ff0c 100644
--- a/lite/demo/cxx/ocr/utils/db_post_process.cpp
+++ b/lite/demo/cxx/ocr/utils/db_post_process.cpp
@@ -1,6 +1,17 @@
+// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
 //
-// Created by liuweiwei06 on 2020-06-16.
+// 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.
+
 #include <iostream>
 #include <vector>
 #include <math.h>