diff --git a/cpp/src/db/ExecutionEngineImpl.cpp b/cpp/src/db/ExecutionEngineImpl.cpp
index c3b1afc3752ac2a521135d97a3cf4fb3692920ec..35f68558c4a24693461b1d8bc8e9a54cc02df535 100644
--- a/cpp/src/db/ExecutionEngineImpl.cpp
+++ b/cpp/src/db/ExecutionEngineImpl.cpp
@@ -30,7 +30,10 @@ ExecutionEngineImpl::ExecutionEngineImpl(uint16_t dimension,
     index_ = CreatetVecIndex(EngineType::FAISS_IDMAP);
     if (!index_) throw Exception("Create Empty VecIndex");
 
-    auto ec = std::static_pointer_cast<BFIndex>(index_)->Build(dimension);
+    Config build_cfg;
+    build_cfg["dim"] = dimension;
+    AutoGenParams(index_->GetType(), 0, build_cfg);
+    auto ec = std::static_pointer_cast<BFIndex>(index_)->Build(build_cfg);
     if (ec != server::KNOWHERE_SUCCESS) { throw Exception("Build index error"); }
 }
 
diff --git a/cpp/src/wrapper/knowhere/vec_impl.cpp b/cpp/src/wrapper/knowhere/vec_impl.cpp
index 63e4d51c26f48f1f4b1538431ae7abc4000da3cb..7efbd54f0f0446d6c5e9c754fe06896953ce3700 100644
--- a/cpp/src/wrapper/knowhere/vec_impl.cpp
+++ b/cpp/src/wrapper/knowhere/vec_impl.cpp
@@ -144,10 +144,10 @@ int64_t *BFIndex::GetRawIds() {
     return std::static_pointer_cast<IDMAP>(index_)->GetRawIds();
 }
 
-server::KnowhereError BFIndex::Build(const int64_t &d) {
+server::KnowhereError BFIndex::Build(const Config &cfg) {
     try {
-        dim = d;
-        std::static_pointer_cast<IDMAP>(index_)->Train(dim);
+        dim = cfg["dim"].as<int>();
+        std::static_pointer_cast<IDMAP>(index_)->Train(cfg);
     } catch (KnowhereException &e) {
         WRAPPER_LOG_ERROR << e.what();
         return server::KNOWHERE_UNEXPECTED_ERROR;
@@ -171,7 +171,7 @@ server::KnowhereError BFIndex::BuildAll(const long &nb,
         dim = cfg["dim"].as<int>();
         auto dataset = GenDatasetWithIds(nb, dim, xb, ids);
 
-        std::static_pointer_cast<IDMAP>(index_)->Train(dim);
+        std::static_pointer_cast<IDMAP>(index_)->Train(cfg);
         index_->Add(dataset, cfg);
     } catch (KnowhereException &e) {
         WRAPPER_LOG_ERROR << e.what();
diff --git a/cpp/src/wrapper/knowhere/vec_impl.h b/cpp/src/wrapper/knowhere/vec_impl.h
index 4f20d17b6ae95a03a2ebdaf97696441e40ddfab8..c4a0e2ac6112fcbb18f08f47d0d33c1efb5ec681 100644
--- a/cpp/src/wrapper/knowhere/vec_impl.h
+++ b/cpp/src/wrapper/knowhere/vec_impl.h
@@ -57,7 +57,7 @@ class BFIndex : public VecIndexImpl {
  public:
     explicit BFIndex(std::shared_ptr<zilliz::knowhere::VectorIndex> index) : VecIndexImpl(std::move(index),
                                                                                           IndexType::FAISS_IDMAP) {};
-    server::KnowhereError Build(const int64_t &d);
+    server::KnowhereError Build(const Config& cfg);
     float *GetRawVectors();
     server::KnowhereError BuildAll(const long &nb,
                                    const float *xb,
diff --git a/cpp/src/wrapper/knowhere/vec_index.cpp b/cpp/src/wrapper/knowhere/vec_index.cpp
index 6f5d51a3af4971dff036faecbed198289b502814..65364eb01fb42132367e00d852a93bf66eb8d347 100644
--- a/cpp/src/wrapper/knowhere/vec_index.cpp
+++ b/cpp/src/wrapper/knowhere/vec_index.cpp
@@ -180,7 +180,7 @@ server::KnowhereError write_index(VecIndexPtr index, const std::string &location
     } catch (knowhere::KnowhereException &e) {
         WRAPPER_LOG_ERROR << e.what();
         return server::KNOWHERE_UNEXPECTED_ERROR;
-    } catch (std::exception& e) {
+    } catch (std::exception &e) {
         WRAPPER_LOG_ERROR << e.what();
         return server::KNOWHERE_ERROR;
     }
@@ -192,6 +192,7 @@ server::KnowhereError write_index(VecIndexPtr index, const std::string &location
 void AutoGenParams(const IndexType &type, const long &size, zilliz::knowhere::Config &cfg) {
     if (!cfg.contains("nlist")) { cfg["nlist"] = int(size / 1000000.0 * 16384); }
     if (!cfg.contains("gpu_id")) { cfg["gpu_id"] = int(0); }
+    if (!cfg.contains("metric_type")) { cfg["metric_type"] = "L2"; }
 
     switch (type) {
         case IndexType::FAISS_IVFSQ8_MIX: {
diff --git a/cpp/thirdparty/knowhere b/cpp/thirdparty/knowhere
index b0b9dd18fadbf9dc0fccaad815e14e578a92993e..f866ac4e297dea477ec591a62679cf5cdd219cc8 160000
--- a/cpp/thirdparty/knowhere
+++ b/cpp/thirdparty/knowhere
@@ -1 +1 @@
-Subproject commit b0b9dd18fadbf9dc0fccaad815e14e578a92993e
+Subproject commit f866ac4e297dea477ec591a62679cf5cdd219cc8
diff --git a/cpp/unittest/index_wrapper/knowhere_test.cpp b/cpp/unittest/index_wrapper/knowhere_test.cpp
index bec4c940cff29d35f6554a220f32a40ba32d8bc1..064d6dc911d1121d2e2b5862bde89310973b35cd 100644
--- a/cpp/unittest/index_wrapper/knowhere_test.cpp
+++ b/cpp/unittest/index_wrapper/knowhere_test.cpp
@@ -96,17 +96,17 @@ INSTANTIATE_TEST_CASE_P(WrapperParam, KnowhereWrapperTest,
                             //),
                             std::make_tuple(IndexType::FAISS_IVFFLAT_MIX, "Default",
                                             64, 100000, 10, 10,
-                                            Config::object{{"nlist", 1000}, {"dim", 64}},
+                                            Config::object{{"nlist", 1000}, {"dim", 64}, {"metric_type", "L2"}},
                                             Config::object{{"dim", 64}, {"k", 10}, {"nprobe", 5}}
                             ),
                             std::make_tuple(IndexType::FAISS_IDMAP, "Default",
                                             64, 100000, 10, 10,
-                                            Config::object{{"dim", 64}},
+                                            Config::object{{"dim", 64}, {"metric_type", "L2"}},
                                             Config::object{{"dim", 64}, {"k", 10}}
                             ),
                             std::make_tuple(IndexType::FAISS_IVFSQ8_MIX, "Default",
                                             64, 100000, 10, 10,
-                                            Config::object{{"dim", 64}, {"nlist", 1000}, {"nbits", 8}},
+                                            Config::object{{"dim", 64}, {"nlist", 1000}, {"nbits", 8}, {"metric_type", "L2"}},
                                             Config::object{{"dim", 64}, {"k", 10}, {"nprobe", 5}}
                             )
                             //std::make_tuple(IndexType::SPTAG_KDT_RNT_CPU, "Default",