diff --git a/libcpu/aarch64/cortex-a53/armv8.h b/libcpu/aarch64/cortex-a53/armv8.h
index 28ed50e1ac8cc5ba0288664d7d96d07c16eeaa96..43508905443e73c1c87af39c7e115147559cb505 100644
--- a/libcpu/aarch64/cortex-a53/armv8.h
+++ b/libcpu/aarch64/cortex-a53/armv8.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2020, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -8,8 +8,8 @@
  * 2011-09-15     Bernard      first version
  */
 
-#ifndef __ARMV7_H__
-#define __ARMV7_H__
+#ifndef __ARMV8_H__
+#define __ARMV8_H__
 
 /* the exception stack without VFP registers */
 struct rt_hw_exp_stack
diff --git a/libcpu/aarch64/cortex-a53/context_gcc.S b/libcpu/aarch64/cortex-a53/context_gcc.S
index 3812eb4b1a380b54cbadde348c9bbf91b20ec308..f58ea1b15da31c215539ea52af89c645aa318743 100644
--- a/libcpu/aarch64/cortex-a53/context_gcc.S
+++ b/libcpu/aarch64/cortex-a53/context_gcc.S
@@ -1,4 +1,9 @@
 /*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
  * Date           Author       Notes
  * 2018-10-06     ZhaoXiaowei    the first version
  */
diff --git a/libcpu/aarch64/cortex-a53/cp15.h b/libcpu/aarch64/cortex-a53/cp15.h
index 26f6ef1a315ab7522c823d821847fd7f134b6c0a..91c37d679f55c1ebd8597f777ca8245f1442e2f0 100644
--- a/libcpu/aarch64/cortex-a53/cp15.h
+++ b/libcpu/aarch64/cortex-a53/cp15.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2020, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/libcpu/aarch64/cortex-a53/cpu_gcc.S b/libcpu/aarch64/cortex-a53/cpu_gcc.S
index ab9a5706aea15f22c2541221c646bca97a08495f..b8c8b8768c596714c29c7733ef18fc66cf1bb9f0 100644
--- a/libcpu/aarch64/cortex-a53/cpu_gcc.S
+++ b/libcpu/aarch64/cortex-a53/cpu_gcc.S
@@ -1,4 +1,8 @@
 /*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Date           Author       Notes
  * 2018-10-06     ZhaoXiaowei    the first version
  */
diff --git a/libcpu/aarch64/cortex-a53/entry_point.S b/libcpu/aarch64/cortex-a53/entry_point.S
index 098cd9a840f2ecbf405e891264139750ff014efa..6d2c69226b64ffc2226308bcd01aee3dbffe176a 100644
--- a/libcpu/aarch64/cortex-a53/entry_point.S
+++ b/libcpu/aarch64/cortex-a53/entry_point.S
@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Date           Author       Notes
+ * 2020-01-15     bigmagic    the first version
+ */
+
 .section ".text.entrypoint"
 
 .set EL1_stack,         __el1_stack
diff --git a/libcpu/aarch64/cortex-a53/interrupt.h b/libcpu/aarch64/cortex-a53/interrupt.h
index 6e8651604521f95aef8c21490747d2b2f37b6411..0c20f79bcc18000a87f471b2098e639839245f68 100644
--- a/libcpu/aarch64/cortex-a53/interrupt.h
+++ b/libcpu/aarch64/cortex-a53/interrupt.h
@@ -1,4 +1,13 @@
 
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
 #ifndef __INTERRUPT_H__
 #define __INTERRUPT_H__
 
diff --git a/libcpu/aarch64/cortex-a53/mmu.c b/libcpu/aarch64/cortex-a53/mmu.c
index 17b40c3b473f06ee91664614ab1e5cc833685b85..29934b26a43a08cf5d50a836622889c1ad0da08f 100644
--- a/libcpu/aarch64/cortex-a53/mmu.c
+++ b/libcpu/aarch64/cortex-a53/mmu.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2020, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/libcpu/aarch64/cortex-a53/mmu.h b/libcpu/aarch64/cortex-a53/mmu.h
index 022d200f96c1420e926101e186a826a1324e09a8..5bef6094860092b22bb32b3dd10e508105da7233 100644
--- a/libcpu/aarch64/cortex-a53/mmu.h
+++ b/libcpu/aarch64/cortex-a53/mmu.h
@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-01-15     bigmagic     the first version
+ */
 #ifndef MMU_H__
 #define MMU_H__
 #include <rtthread.h>
diff --git a/libcpu/aarch64/cortex-a53/trap.c b/libcpu/aarch64/cortex-a53/trap.c
index aa639ea59664b3ce06d29ec35687b96ccd96ebd0..13ae6d1b9e58bf25bf78bd6e2cd5346a81a180d3 100644
--- a/libcpu/aarch64/cortex-a53/trap.c
+++ b/libcpu/aarch64/cortex-a53/trap.c
@@ -1,4 +1,8 @@
 /*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * 
  * Date           Author       Notes
  * 2018-10-06     ZhaoXiaowei    the first version
  */
diff --git a/libcpu/aarch64/cortex-a53/vector_gcc.S b/libcpu/aarch64/cortex-a53/vector_gcc.S
index 0efbf4e5402b0adba904d611ca6b2acd93eb0d7b..fc88cce7f864ba7b884eb105abf582fe080ccb5c 100644
--- a/libcpu/aarch64/cortex-a53/vector_gcc.S
+++ b/libcpu/aarch64/cortex-a53/vector_gcc.S
@@ -1,4 +1,8 @@
 /*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Date           Author       Notes
  * 2018-10-06     ZhaoXiaowei    the first version
  */