diff --git a/include/api/data_type.h b/include/api/data_type.h
index c5e3b1d82c..a39488a83d 100644
--- a/include/api/data_type.h
+++ b/include/api/data_type.h
@@ -1,7 +1,5 @@
 /**
- * This is the C++ adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
- *
- * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ * Copyright 2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 #ifndef MINDSPORE_INCLUDE_API_DATA_TYPE_H_
 #define MINDSPORE_INCLUDE_API_DATA_TYPE_H_