diff --git a/cpp/src/db/DBMetaImpl.cpp b/cpp/src/db/DBMetaImpl.cpp
index 93faadcacb..f6cc3a0ecd 100644
--- a/cpp/src/db/DBMetaImpl.cpp
+++ b/cpp/src/db/DBMetaImpl.cpp
@@ -3,6 +3,10 @@
  * Unauthorized copying of this file, via any medium is strictly prohibited.
  * Proprietary and confidential.
  ******************************************************************************/
+#include "DBMetaImpl.h"
+#include "IDGenerator.h"
+#include "Utils.h"
+#include "MetaConsts.h"
 
 #include <unistd.h>
 #include <sstream>
@@ -13,11 +17,6 @@
 #include <sqlite_orm.h>
 #include <easylogging++.h>
 
-#include "DBMetaImpl.h"
-#include "IDGenerator.h"
-#include "Utils.h"
-#include "MetaConsts.h"
-
 namespace zilliz {
 namespace vecwise {
 namespace engine {
diff --git a/cpp/src/db/Meta.cpp b/cpp/src/db/Meta.cpp
index 3d272e0637..f0539ae1be 100644
--- a/cpp/src/db/Meta.cpp
+++ b/cpp/src/db/Meta.cpp
@@ -3,9 +3,10 @@
  * Unauthorized copying of this file, via any medium is strictly prohibited.
  * Proprietary and confidential.
  ******************************************************************************/
+#include "Meta.h"
+
 #include <ctime>
 #include <stdio.h>
-#include "Meta.h"
 
 namespace zilliz {
 namespace vecwise {
diff --git a/cpp/src/db/Meta.h b/cpp/src/db/Meta.h
index 463f5a66c2..b67191739f 100644
--- a/cpp/src/db/Meta.h
+++ b/cpp/src/db/Meta.h
@@ -4,14 +4,15 @@
  * Proprietary and confidential.
  ******************************************************************************/
 #pragma once
-#include <cstddef>
-#include <ctime>
-#include <memory>
 
 #include "MetaTypes.h"
 #include "Options.h"
 #include "Status.h"
 
+#include <cstddef>
+#include <ctime>
+#include <memory>
+
 namespace zilliz {
 namespace vecwise {
 namespace engine {