diff --git a/internal/core/src/index/VectorDiskIndex.cpp b/internal/core/src/index/VectorDiskIndex.cpp
index ac0314420c..33e444ddbd 100644
--- a/internal/core/src/index/VectorDiskIndex.cpp
+++ b/internal/core/src/index/VectorDiskIndex.cpp
@@ -316,7 +316,7 @@ knowhere::expected<std::vector<knowhere::IndexNode::IteratorPtr>>
 VectorDiskAnnIndex<T>::VectorIterators(const DatasetPtr dataset,
                                        const knowhere::Json& conf,
                                        const BitsetView& bitset) const {
-    return this->index_.AnnIterator(dataset, conf, bitset);
+    return this->index_.AnnIterator(dataset, conf, bitset, false);
 }
 
 template <typename T>
diff --git a/internal/core/src/index/VectorMemIndex.cpp b/internal/core/src/index/VectorMemIndex.cpp
index 56bceecfda..346dbfbf1d 100644
--- a/internal/core/src/index/VectorMemIndex.cpp
+++ b/internal/core/src/index/VectorMemIndex.cpp
@@ -117,7 +117,7 @@ knowhere::expected<std::vector<knowhere::IndexNode::IteratorPtr>>
 VectorMemIndex<T>::VectorIterators(const milvus::DatasetPtr dataset,
                                    const knowhere::Json& conf,
                                    const milvus::BitsetView& bitset) const {
-    return this->index_.AnnIterator(dataset, conf, bitset);
+    return this->index_.AnnIterator(dataset, conf, bitset, false);
 }
 
 template <typename T>
diff --git a/internal/core/src/query/SearchBruteForce.cpp b/internal/core/src/query/SearchBruteForce.cpp
index 38887a1509..46863d839a 100644
--- a/internal/core/src/query/SearchBruteForce.cpp
+++ b/internal/core/src/query/SearchBruteForce.cpp
@@ -235,22 +235,22 @@ DispatchBruteForceIteratorByDataType(const knowhere::DataSetPtr& base_dataset,
     switch (data_type) {
         case DataType::VECTOR_FLOAT:
             return knowhere::BruteForce::AnnIterator<float>(
-                base_dataset, query_dataset, config, bitset);
+                base_dataset, query_dataset, config, bitset, false);
             break;
         case DataType::VECTOR_FLOAT16:
             //todo: if knowhere support real fp16/bf16 bf, change it
             return knowhere::BruteForce::AnnIterator<float>(
-                base_dataset, query_dataset, config, bitset);
+                base_dataset, query_dataset, config, bitset, false);
             break;
         case DataType::VECTOR_BFLOAT16:
             //todo: if knowhere support real fp16/bf16 bf, change it
             return knowhere::BruteForce::AnnIterator<float>(
-                base_dataset, query_dataset, config, bitset);
+                base_dataset, query_dataset, config, bitset, false);
             break;
         case DataType::VECTOR_SPARSE_FLOAT:
             return knowhere::BruteForce::AnnIterator<
                 knowhere::sparse::SparseRow<float>>(
-                base_dataset, query_dataset, config, bitset);
+                base_dataset, query_dataset, config, bitset, false);
             break;
         default:
             PanicInfo(ErrorCode::Unsupported,