diff --git a/pinview/src/main/java/com/chaos/view/AttrValue.java b/pinview/src/main/java/com/chaos/view/AttrValue.java
index 2e525f335476dbabfe70a55f4ac34e9434179b24..264869a8929b2a56f525e5cfc763a75d48264031 100644
--- a/pinview/src/main/java/com/chaos/view/AttrValue.java
+++ b/pinview/src/main/java/com/chaos/view/AttrValue.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/pinview/src/main/java/com/chaos/view/DecimalUtils.java b/pinview/src/main/java/com/chaos/view/DecimalUtils.java
index 7db3678b45246956b7fa98090cb6a45e4306e2c3..3c05c4babb6a227ca733a0a8fef06bcdad133016 100644
--- a/pinview/src/main/java/com/chaos/view/DecimalUtils.java
+++ b/pinview/src/main/java/com/chaos/view/DecimalUtils.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/pinview/src/main/java/com/chaos/view/LogUtil.java b/pinview/src/main/java/com/chaos/view/LogUtil.java
index d12b73753dfbb8362e19d3c0a5d686f52bce0083..a767e7d5fc04f65fea79c612971ce50f1017c89b 100644
--- a/pinview/src/main/java/com/chaos/view/LogUtil.java
+++ b/pinview/src/main/java/com/chaos/view/LogUtil.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/pinview/src/main/java/com/chaos/view/PinView.java b/pinview/src/main/java/com/chaos/view/PinView.java
index d9d006e4f3755dc7c828c27d9e9f9c8e0f529b46..3910492307af9dea513bc829f32fa83ad0b9d850 100644
--- a/pinview/src/main/java/com/chaos/view/PinView.java
+++ b/pinview/src/main/java/com/chaos/view/PinView.java
@@ -2,9 +2,9 @@
  * 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
+ * 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,