diff --git a/core/src/index/thirdparty/faiss/gpu/GpuIndexIVFSQHybrid.cu b/core/src/index/thirdparty/faiss/gpu/GpuIndexIVFSQHybrid.cu
index bfee9bcf99..975f72d70d 100644
--- a/core/src/index/thirdparty/faiss/gpu/GpuIndexIVFSQHybrid.cu
+++ b/core/src/index/thirdparty/faiss/gpu/GpuIndexIVFSQHybrid.cu
@@ -340,9 +340,14 @@ GpuIndexIVFSQHybrid::searchImpl_(int n,
   static_assert(sizeof(long) == sizeof(Index::idx_t), "size mismatch");
   Tensor<long, 2, true> outLabels(const_cast<long*>(labels), {n, k});
 
-  auto bitsetDevice = toDevice<uint8_t, 1>(resources_, device_, nullptr, stream, {0});
-
-  index_->query(queries, bitsetDevice, nprobe, k, outDistances, outLabels);
+  if (!bitset) {
+    auto bitsetDevice = toDevice<uint8_t, 1>(resources_, device_, nullptr, stream, {0});
+    index_->query(queries, bitsetDevice, nprobe, k, outDistances, outLabels);
+  } else {
+    auto bitsetDevice = toDevice<uint8_t, 1>(resources_, device_,
+            const_cast<uint8_t*>(bitset->data()), stream,{(int) bitset->size()});
+    index_->query(queries, bitsetDevice, nprobe, k, outDistances, outLabels);
+  }
 }
 
 } } // namespace
diff --git a/core/src/index/unittest/test_ivf.cpp b/core/src/index/unittest/test_ivf.cpp
index b549fe17fb..f6d9767e4c 100644
--- a/core/src/index/unittest/test_ivf.cpp
+++ b/core/src/index/unittest/test_ivf.cpp
@@ -166,17 +166,15 @@ TEST_P(IVFTest, ivf_basic_gpu) {
     AssertAnns(result, nq, k);
     // PrintResult(result, nq, k);
 
-    if (index_type_ != milvus::knowhere::IndexEnum::INDEX_FAISS_IVFSQ8H) {
-        faiss::ConcurrentBitsetPtr concurrent_bitset_ptr = std::make_shared<faiss::ConcurrentBitset>(nb);
-        for (int64_t i = 0; i < nq; ++i) {
-            concurrent_bitset_ptr->set(i);
-        }
-        index_->SetBlacklist(concurrent_bitset_ptr);
-
-        auto result_bs_1 = index_->Query(query_dataset, conf_);
-        AssertAnns(result_bs_1, nq, k, CheckMode::CHECK_NOT_EQUAL);
-        // PrintResult(result, nq, k);
+    faiss::ConcurrentBitsetPtr concurrent_bitset_ptr = std::make_shared<faiss::ConcurrentBitset>(nb);
+    for (int64_t i = 0; i < nq; ++i) {
+        concurrent_bitset_ptr->set(i);
     }
+    index_->SetBlacklist(concurrent_bitset_ptr);
+
+    auto result_bs_1 = index_->Query(query_dataset, conf_);
+    AssertAnns(result_bs_1, nq, k, CheckMode::CHECK_NOT_EQUAL);
+    // PrintResult(result, nq, k);
 
 #ifdef MILVUS_GPU_VERSION
     milvus::knowhere::FaissGpuResourceMgr::GetInstance().Dump();
diff --git a/core/src/server/delivery/request/DeleteByIDRequest.cpp b/core/src/server/delivery/request/DeleteByIDRequest.cpp
index c5a5e2771c..28e13e7891 100644
--- a/core/src/server/delivery/request/DeleteByIDRequest.cpp
+++ b/core/src/server/delivery/request/DeleteByIDRequest.cpp
@@ -75,7 +75,8 @@ DeleteByIDRequest::OnExecute() {
             table_schema.engine_type_ != (int32_t)engine::EngineType::FAISS_IVFFLAT &&
             table_schema.engine_type_ != (int32_t)engine::EngineType::FAISS_BIN_IVFFLAT &&
             table_schema.engine_type_ != (int32_t)engine::EngineType::FAISS_IVFSQ8 &&
-            table_schema.engine_type_ != (int32_t)engine::EngineType::FAISS_PQ) {
+            table_schema.engine_type_ != (int32_t)engine::EngineType::FAISS_PQ &&
+            table_schema.engine_type_ != (int32_t)engine::EngineType::FAISS_IVFSQ8H) {
             std::string err_msg =
                 "Index type " + std::to_string(table_schema.engine_type_) + " does not support delete operation";
             SERVER_LOG_ERROR << err_msg;