diff --git a/internal/core/src/index/VectorDiskIndex.cpp b/internal/core/src/index/VectorDiskIndex.cpp
index 7729d9ecf8..ff75111864 100644
--- a/internal/core/src/index/VectorDiskIndex.cpp
+++ b/internal/core/src/index/VectorDiskIndex.cpp
@@ -238,9 +238,8 @@ VectorDiskAnnIndex<T>::HasRawData() const {
 
 template <typename T>
 const std::vector<uint8_t>
-VectorDiskAnnIndex<T>::GetVector(const DatasetPtr dataset,
-                                 const Config& config) const {
-    auto res = index_.GetVectorByIds(*dataset, config);
+VectorDiskAnnIndex<T>::GetVector(const DatasetPtr dataset) const {
+    auto res = index_.GetVectorByIds(*dataset);
     if (!res.has_value()) {
         PanicCodeInfo(
             ErrorCodeEnum::UnexpectedError,
diff --git a/internal/core/src/index/VectorDiskIndex.h b/internal/core/src/index/VectorDiskIndex.h
index 351fee4cf5..3a6e3650e5 100644
--- a/internal/core/src/index/VectorDiskIndex.h
+++ b/internal/core/src/index/VectorDiskIndex.h
@@ -65,8 +65,7 @@ class VectorDiskAnnIndex : public VectorIndex {
     HasRawData() const override;
 
     const std::vector<uint8_t>
-    GetVector(const DatasetPtr dataset,
-              const Config& config = {}) const override;
+    GetVector(const DatasetPtr dataset) const override;
 
     void
     CleanLocalData() override;
diff --git a/internal/core/src/index/VectorIndex.h b/internal/core/src/index/VectorIndex.h
index 0af21d5a17..c833cb6f64 100644
--- a/internal/core/src/index/VectorIndex.h
+++ b/internal/core/src/index/VectorIndex.h
@@ -60,7 +60,7 @@ class VectorIndex : public IndexBase {
     HasRawData() const = 0;
 
     virtual const std::vector<uint8_t>
-    GetVector(const DatasetPtr dataset, const Config& config = {}) const = 0;
+    GetVector(const DatasetPtr dataset) const = 0;
 
     IndexType
     GetIndexType() const {
diff --git a/internal/core/src/index/VectorMemIndex.cpp b/internal/core/src/index/VectorMemIndex.cpp
index f80bb1c905..ed263bb51b 100644
--- a/internal/core/src/index/VectorMemIndex.cpp
+++ b/internal/core/src/index/VectorMemIndex.cpp
@@ -165,9 +165,8 @@ VectorMemIndex::HasRawData() const {
 }
 
 const std::vector<uint8_t>
-VectorMemIndex::GetVector(const DatasetPtr dataset,
-                          const Config& config) const {
-    auto res = index_.GetVectorByIds(*dataset, config);
+VectorMemIndex::GetVector(const DatasetPtr dataset) const {
+    auto res = index_.GetVectorByIds(*dataset);
     if (!res.has_value()) {
         PanicCodeInfo(
             ErrorCodeEnum::UnexpectedError,
diff --git a/internal/core/src/index/VectorMemIndex.h b/internal/core/src/index/VectorMemIndex.h
index 9e64fb889e..e0b0ea4141 100644
--- a/internal/core/src/index/VectorMemIndex.h
+++ b/internal/core/src/index/VectorMemIndex.h
@@ -58,8 +58,7 @@ class VectorMemIndex : public VectorIndex {
     HasRawData() const override;
 
     const std::vector<uint8_t>
-    GetVector(const DatasetPtr dataset,
-              const Config& config = {}) const override;
+    GetVector(const DatasetPtr dataset) const override;
 
  protected:
     Config config_;
diff --git a/internal/core/thirdparty/knowhere/CMakeLists.txt b/internal/core/thirdparty/knowhere/CMakeLists.txt
index 958325ae89..30e5d4e9a9 100644
--- a/internal/core/thirdparty/knowhere/CMakeLists.txt
+++ b/internal/core/thirdparty/knowhere/CMakeLists.txt
@@ -11,7 +11,7 @@
 # or implied. See the License for the specific language governing permissions and limitations under the License.
 #-------------------------------------------------------------------------------
 
-set( KNOWHERE_VERSION a77607d )
+set( KNOWHERE_VERSION fbf2b6e6 )
 
 message(STATUS "Building knowhere-${KNOWHERE_SOURCE_VER} from source")
 message(STATUS ${CMAKE_BUILD_TYPE})