diff --git a/cpp/src/core/knowhere/knowhere/index/vector_index/IndexIVFSQHybrid.cpp b/cpp/src/core/knowhere/knowhere/index/vector_index/IndexIVFSQHybrid.cpp
index 5449aec8605181e15fe351fc26ddc0031aa4f8ba..5f916f3370a9afe9f81318252cc94253fbb93eb5 100644
--- a/cpp/src/core/knowhere/knowhere/index/vector_index/IndexIVFSQHybrid.cpp
+++ b/cpp/src/core/knowhere/knowhere/index/vector_index/IndexIVFSQHybrid.cpp
@@ -231,17 +231,14 @@ IVFSQHybrid::LoadQuantizer(const Config& conf) {
 
 void
 IVFSQHybrid::SetQuantizer(const QuantizerPtr& q) {
-
 }
 
 void
 IVFSQHybrid::UnsetQuantizer() {
-
 }
 
 void
 IVFSQHybrid::LoadData(const knowhere::QuantizerPtr& q, const Config& conf) {
-
 }
 
 IndexModelPtr
@@ -260,11 +257,7 @@ IVFSQHybrid::CopyCpuToGpu(const int64_t& device_id, const Config& config) {
 }
 
 void
-IVFSQHybrid::search_impl(int64_t n,
-                         const float* data,
-                         int64_t k,
-                         float* distances,
-                         int64_t* labels,
+IVFSQHybrid::search_impl(int64_t n, const float* data, int64_t k, float* distances, int64_t* labels,
                          const Config& cfg) {
     GPUIVF::search_impl(n, data, k, distances, labels, cfg);
 }
diff --git a/cpp/src/core/unittest/test_ivf.cpp b/cpp/src/core/unittest/test_ivf.cpp
index cc4712c2633d7abd814fa144b8b67870ac8ad01f..c6faea9182c866c25d2e409e5123c45d82e6fb3c 100644
--- a/cpp/src/core/unittest/test_ivf.cpp
+++ b/cpp/src/core/unittest/test_ivf.cpp
@@ -160,8 +160,7 @@ INSTANTIATE_TEST_CASE_P(IVFParameters, IVFTest,
 #ifdef CUSTOMIZATION
                                std::make_tuple("IVFSQHybrid", ParameterType::ivfsq),
 #endif
-                               std::make_tuple("GPUIVFSQ", ParameterType::ivfsq))
-                               );
+                               std::make_tuple("GPUIVFSQ", ParameterType::ivfsq)));
 
 void
 AssertAnns(const knowhere::DatasetPtr& result, const int& nq, const int& k) {
diff --git a/cpp/src/wrapper/VecIndex.cpp b/cpp/src/wrapper/VecIndex.cpp
index bd0e8724ad94e3756bc2a38bab7537010e871c6d..6bc054bd21cbceee9963ee2404dee51015e1ffaf 100644
--- a/cpp/src/wrapper/VecIndex.cpp
+++ b/cpp/src/wrapper/VecIndex.cpp
@@ -15,6 +15,8 @@
 // specific language governing permissions and limitations
 // under the License.
 
+#include "wrapper/VecIndex.h"
+#include "VecImpl.h"
 #include "knowhere/common/Exception.h"
 #include "knowhere/index/vector_index/IndexGPUIVF.h"
 #include "knowhere/index/vector_index/IndexGPUIVFPQ.h"
@@ -26,8 +28,6 @@
 #include "knowhere/index/vector_index/IndexIVFSQHybrid.h"
 #include "knowhere/index/vector_index/IndexKDT.h"
 #include "knowhere/index/vector_index/IndexNSG.h"
-#include "wrapper/VecIndex.h"
-#include "VecImpl.h"
 #include "utils/Log.h"
 
 #include <cuda.h>
@@ -161,7 +161,8 @@ GetVecIndexFactory(const IndexType& type, const Config& cfg) {
 VecIndexPtr
 LoadVecIndex(const IndexType& index_type, const knowhere::BinarySet& index_binary) {
     auto index = GetVecIndexFactory(index_type);
-    if (index == nullptr) return nullptr;
+    if (index == nullptr)
+        return nullptr;
     // else
     index->Load(index_binary);
     return index;
diff --git a/cpp/src/wrapper/VecIndex.h b/cpp/src/wrapper/VecIndex.h
index 2284c442666c8d17bc8fbb2d69d597ec1c1b5c6d..34d3d2f761c01b262ea0f24ac41c9b10265bb2ef 100644
--- a/cpp/src/wrapper/VecIndex.h
+++ b/cpp/src/wrapper/VecIndex.h
@@ -20,10 +20,10 @@
 #include <memory>
 #include <string>
 
+#include "cache/DataObj.h"
 #include "knowhere/common/BinarySet.h"
 #include "knowhere/common/Config.h"
 #include "knowhere/index/vector_index/Quantizer.h"
-#include "cache/DataObj.h"
 #include "utils/Status.h"
 
 namespace milvus {