diff --git a/tools/analyze_dataset.py b/tools/analyze_dataset.py
index f5b8fab4b..7d0432c27 100755
--- a/tools/analyze_dataset.py
+++ b/tools/analyze_dataset.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-# Copyright (c) 2022 Horizon Inc. (authors: Xingchen Song)
+# Copyright (c) 2022 Tsinghua Univ. (authors: Xingchen Song)
 #
 # 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/tools/latency_metrics.py b/tools/latency_metrics.py
index f408ced3e..5a1985abc 100644
--- a/tools/latency_metrics.py
+++ b/tools/latency_metrics.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 Horizon Inc. (author: Xingchen Song)
+# Copyright (c) 2022 Tsinghua Univ. (author: Xingchen Song)
 #
 # 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/wenet/text/tokenize_utils.py b/wenet/text/tokenize_utils.py
index 4cdb10118..0bb322495 100644
--- a/wenet/text/tokenize_utils.py
+++ b/wenet/text/tokenize_utils.py
@@ -1,5 +1,5 @@
 # Copyright (c) 2021 Mobvoi Inc. (authors: Binbin Zhang)
-#               2023 Horizon Inc. (authors: Xingchen Song)
+#               2023 Tsinghua Univ. (authors: Xingchen Song)
 # 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
diff --git a/wenet/utils/train_utils.py b/wenet/utils/train_utils.py
index 8d3f6a89a..d3d06f57a 100644
--- a/wenet/utils/train_utils.py
+++ b/wenet/utils/train_utils.py
@@ -1,5 +1,5 @@
 # Copyright (c) 2021 Mobvoi Inc. (authors: Binbin Zhang)
-#               2023 Horizon Inc. (authors: Xingchen Song)
+#               2023 Tsinghua Univ. (authors: Xingchen Song)
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.