diff --git a/BasicServicesKit/os_account.h b/BasicServicesKit/os_account.h
index a93a32b4b579bef078ab04be747b520d86aef457..2a90d0cfdf64e8cfcc99f4c3d8e3d53cc42237fd 100644
--- a/BasicServicesKit/os_account.h
+++ b/BasicServicesKit/os_account.h
@@ -13,9 +13,6 @@
  * limitations under the License.
  */
 
-#ifndef OS_ACCOUNT_H
-#define OS_ACCOUNT_H
-
 /**
  * @addtogroup OsAccount
  * @{
@@ -23,6 +20,7 @@
  * @brief Provide the definition of the C interface for the native OsAccount.
  * @since 12
  */
+
 /**
  * @file os_account.h
  *
@@ -33,6 +31,9 @@
  * @since 12
  */
 
+#ifndef OS_ACCOUNT_H
+#define OS_ACCOUNT_H
+
 #include <stddef.h>
 #include "os_account_common.h"
 
diff --git a/BasicServicesKit/os_account_common.h b/BasicServicesKit/os_account_common.h
index 932b398c58b04102846ef7661762fe775d5c0a20..334ad730b2103c8d77fa38be57153b612a516c0c 100644
--- a/BasicServicesKit/os_account_common.h
+++ b/BasicServicesKit/os_account_common.h
@@ -13,9 +13,6 @@
  * limitations under the License.
  */
 
-#ifndef OS_ACCOUNT_COMMON_H
-#define OS_ACCOUNT_COMMON_H
-
 /**
  * @addtogroup OsAccount
  * @{
@@ -23,6 +20,7 @@
  * @brief Provide the definition of the C interface for the native OsAccount.
  * @since 12
  */
+
 /**
  * @file os_account_common.h
  *
@@ -33,6 +31,9 @@
  * @since 12
  */
 
+#ifndef OS_ACCOUNT_COMMON_H
+#define OS_ACCOUNT_COMMON_H
+
 #ifdef __cplusplus
 extern "C" {
 #endif