diff --git a/entry/src/ohosTest/java/com/lijiankun24/shadowlayoutexample/ExampleOhosTest.java b/entry/src/ohosTest/java/com/lijiankun24/shadowlayoutexample/ExampleOhosTest.java
index 740a9f2638dd3ba52239085b2dd22dcb9e3d40ff..e87822aafe0ecf06864936998671286156d49ad3 100644
--- a/entry/src/ohosTest/java/com/lijiankun24/shadowlayoutexample/ExampleOhosTest.java
+++ b/entry/src/ohosTest/java/com/lijiankun24/shadowlayoutexample/ExampleOhosTest.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/library/src/main/java/com/lijiankun24/shadowlayout/AttrUtil.java b/library/src/main/java/com/lijiankun24/shadowlayout/AttrUtil.java
index 5b95acf01917c4e806cb4ad4ad08dcc038be856e..9b5e26ee69a0fa677d43821aadff9bbd1055c58b 100644
--- a/library/src/main/java/com/lijiankun24/shadowlayout/AttrUtil.java
+++ b/library/src/main/java/com/lijiankun24/shadowlayout/AttrUtil.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/library/src/main/java/com/lijiankun24/shadowlayout/NumberUtil.java b/library/src/main/java/com/lijiankun24/shadowlayout/NumberUtil.java
index 91ba988282c6a9d50ed95d725b5e500bef4b9f30..46758c3d9f013d7fc51836b8c2511b608b9eceb9 100644
--- a/library/src/main/java/com/lijiankun24/shadowlayout/NumberUtil.java
+++ b/library/src/main/java/com/lijiankun24/shadowlayout/NumberUtil.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/library/src/main/java/com/lijiankun24/shadowlayout/ShadowLayout.java b/library/src/main/java/com/lijiankun24/shadowlayout/ShadowLayout.java
index fe5989c0e5b0dc53d2c43984ff38e191899b37a3..8be0b0372d5979b598b2e89f7a2861fbcedef07e 100644
--- a/library/src/main/java/com/lijiankun24/shadowlayout/ShadowLayout.java
+++ b/library/src/main/java/com/lijiankun24/shadowlayout/ShadowLayout.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/library/src/main/java/com/lijiankun24/shadowlayout/v2/ShadowLayout.java b/library/src/main/java/com/lijiankun24/shadowlayout/v2/ShadowLayout.java
index 439c8a06843923cb1e660750ba7691e039e575c9..5a1c63ebf49df904f341191207dc73b35b920f7e 100644
--- a/library/src/main/java/com/lijiankun24/shadowlayout/v2/ShadowLayout.java
+++ b/library/src/main/java/com/lijiankun24/shadowlayout/v2/ShadowLayout.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *