diff --git a/internal/core/src/segcore/FieldIndexing.h b/internal/core/src/segcore/FieldIndexing.h
index 6b99d9ff78..334d0c26c4 100644
--- a/internal/core/src/segcore/FieldIndexing.h
+++ b/internal/core/src/segcore/FieldIndexing.h
@@ -10,15 +10,18 @@
 // or implied. See the License for the specific language governing permissions and limitations under the License
 
 #pragma once
-#include "AckResponder.h"
-#include <tbb/concurrent_vector.h>
-#include "common/Schema.h"
+
 #include <optional>
 #include <map>
 #include <memory>
+
+#include <tbb/concurrent_vector.h>
+
+#include "AckResponder.h"
 #include "InsertRecord.h"
-#include <knowhere/index/vector_index/IndexIVF.h>
-#include <knowhere/index/structured_index_simple/StructuredIndexSort.h>
+#include "common/Schema.h"
+#include "knowhere/index/structured_index_simple/StructuredIndexSort.h"
+#include "knowhere/index/vector_index/IndexIVF.h"
 #include "segcore/SegcoreConfig.h"
 
 namespace milvus::segcore {
@@ -56,6 +59,7 @@ class FieldIndexing {
     const FieldMeta& field_meta_;
     const SegcoreConfig& segcore_config_;
 };
+
 template <typename T>
 class ScalarFieldIndexing : public FieldIndexing {
  public: