diff --git a/entry/src/main/java/com/blikoon/qrcodescannerlibrary/MainAbility.java b/entry/src/main/java/com/blikoon/qrcodescannerlibrary/MainAbility.java
index a3df209f82b1d32fef1e2ba021e7c3edfdbaa3a6..c0113a78b0eeedb4525492be1c7ec06248d93636 100644
--- a/entry/src/main/java/com/blikoon/qrcodescannerlibrary/MainAbility.java
+++ b/entry/src/main/java/com/blikoon/qrcodescannerlibrary/MainAbility.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/entry/src/main/java/com/blikoon/qrcodescannerlibrary/MyApplication.java b/entry/src/main/java/com/blikoon/qrcodescannerlibrary/MyApplication.java
index d9f0ff8f26b9c45bf7fc506bc03c25e89267dad9..48896c646a5131e614259e3bb7acbe3c174de62a 100644
--- a/entry/src/main/java/com/blikoon/qrcodescannerlibrary/MyApplication.java
+++ b/entry/src/main/java/com/blikoon/qrcodescannerlibrary/MyApplication.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/entry/src/main/java/com/blikoon/qrcodescannerlibrary/slice/MainAbilitySlice.java b/entry/src/main/java/com/blikoon/qrcodescannerlibrary/slice/MainAbilitySlice.java
index 61b16782df0712422d67fecbeaa476cd34ff0587..3e9dd828bff1ded730b6e3c74663177fef2c2f63 100644
--- a/entry/src/main/java/com/blikoon/qrcodescannerlibrary/slice/MainAbilitySlice.java
+++ b/entry/src/main/java/com/blikoon/qrcodescannerlibrary/slice/MainAbilitySlice.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/entry/src/ohosTest/java/com/blikoon/qrcodescannerlibrary/ExampleOhosTest.java b/entry/src/ohosTest/java/com/blikoon/qrcodescannerlibrary/ExampleOhosTest.java
index cfd26a5705384a6a83b1043b270654af5b7df3ba..873e641fb9a2803ecaacd4f88f72917c21354642 100644
--- a/entry/src/ohosTest/java/com/blikoon/qrcodescannerlibrary/ExampleOhosTest.java
+++ b/entry/src/ohosTest/java/com/blikoon/qrcodescannerlibrary/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/qrcodescanner/src/main/java/com/blikoon/qrcodescanner/decode/QrManager.java b/qrcodescanner/src/main/java/com/blikoon/qrcodescanner/decode/QrManager.java
index cd7d254ce5c8d0e8f098f42792d42c2ab33c37f0..ec6a33087995713c92f9b59e524f2fe2cef466e7 100644
--- a/qrcodescanner/src/main/java/com/blikoon/qrcodescanner/decode/QrManager.java
+++ b/qrcodescanner/src/main/java/com/blikoon/qrcodescanner/decode/QrManager.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/qrcodescanner/src/main/java/com/blikoon/qrcodescanner/slice/QrCodeAbilitySlice.java b/qrcodescanner/src/main/java/com/blikoon/qrcodescanner/slice/QrCodeAbilitySlice.java
index 83dce715994d9ad444991783b76a27020f41dda9..c53bcb66557d57194d4450b174493a0be79036b5 100644
--- a/qrcodescanner/src/main/java/com/blikoon/qrcodescanner/slice/QrCodeAbilitySlice.java
+++ b/qrcodescanner/src/main/java/com/blikoon/qrcodescanner/slice/QrCodeAbilitySlice.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
  *