diff --git a/paddlex/__init__.py b/paddlex/__init__.py
index 404c1789118cd1a4edc1e320892dbef30fca0fef..25fd9f4ec65108feae0cb62743d91468967b88c4 100644
--- a/paddlex/__init__.py
+++ b/paddlex/__init__.py
@@ -1,4 +1,4 @@
-# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+# 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/paddlex/tools/dataset_split/coco_split.py b/paddlex/tools/dataset_split/coco_split.py
index fd8a312e66963d1fe77f59f1dfd40b272e795f95..e7a67ce13095d286cb876cd9e757ed3e86ea466e 100644
--- a/paddlex/tools/dataset_split/coco_split.py
+++ b/paddlex/tools/dataset_split/coco_split.py
@@ -1,10 +1,10 @@
-# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+# 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
+#     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,
diff --git a/paddlex/tools/dataset_split/imagenet_split.py b/paddlex/tools/dataset_split/imagenet_split.py
index 50ee4fd2d685a6cea076264a0f46cd495e75f196..06bcdd37f8db8b88c49a45ada45a09d28d136bff 100644
--- a/paddlex/tools/dataset_split/imagenet_split.py
+++ b/paddlex/tools/dataset_split/imagenet_split.py
@@ -1,10 +1,10 @@
-# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+# 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
+#     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,
diff --git a/paddlex/tools/dataset_split/seg_split.py b/paddlex/tools/dataset_split/seg_split.py
index 91195978a22535d8818d9ca0425f0f10e2e23f36..859aba00ea762fb93467f24dc1c9c7cef3d3d84e 100644
--- a/paddlex/tools/dataset_split/seg_split.py
+++ b/paddlex/tools/dataset_split/seg_split.py
@@ -1,10 +1,10 @@
-# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+# 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
+#     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,
diff --git a/paddlex/tools/dataset_split/utils.py b/paddlex/tools/dataset_split/utils.py
index 9106b479000be497464df9d77835268b16c604a4..30b4b928b1cc9e3a4176f3606cb64cd9a5348118 100644
--- a/paddlex/tools/dataset_split/utils.py
+++ b/paddlex/tools/dataset_split/utils.py
@@ -1,10 +1,10 @@
-# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+# 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
+#     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,
diff --git a/paddlex/tools/dataset_split/voc_split.py b/paddlex/tools/dataset_split/voc_split.py
index d386829e2db955530b6e389cdd7d45f299eea98f..079e84d98e70f14180dd2be63113d933aa62108b 100644
--- a/paddlex/tools/dataset_split/voc_split.py
+++ b/paddlex/tools/dataset_split/voc_split.py
@@ -1,10 +1,10 @@
-# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+# 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
+#     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,