diff --git a/internal/core/src/common/Utils.h b/internal/core/src/common/Utils.h
index 99dc0d6706..d476af109e 100644
--- a/internal/core/src/common/Utils.h
+++ b/internal/core/src/common/Utils.h
@@ -19,6 +19,7 @@
 #include "config/ConfigChunkManager.h"
 #include "exceptions/EasyAssert.h"
 #include "knowhere/dataset.h"
+#include "knowhere/expected.h"
 
 namespace milvus {
 inline DatasetPtr
@@ -123,4 +124,46 @@ PositivelyRelated(const knowhere::MetricType& metric_type) {
     return IsMetricType(metric_type, knowhere::metric::IP);
 }
 
+inline std::string
+MatchKnowhereError(knowhere::Status status) {
+    switch (status) {
+        case knowhere::Status::invalid_args:
+            return "err: invalid args";
+        case knowhere::Status::invalid_param_in_json:
+            return "err: invalid param in json";
+        case knowhere::Status::out_of_range_in_json:
+            return "err: out of range in json";
+        case knowhere::Status::type_conflict_in_json:
+            return "err: type conflict in json";
+        case knowhere::Status::invalid_metric_type:
+            return "err: invalid metric type";
+        case knowhere::Status::empty_index:
+            return "err: empty index";
+        case knowhere::Status::not_implemented:
+            return "err: not implemented";
+        case knowhere::Status::index_not_trained:
+            return "err: index not trained";
+        case knowhere::Status::index_already_trained:
+            return "err: index already trained";
+        case knowhere::Status::faiss_inner_error:
+            return "err: faiss inner error";
+        case knowhere::Status::annoy_inner_error:
+            return "err: annoy inner error";
+        case knowhere::Status::hnsw_inner_error:
+            return "err: hnsw inner error";
+        case knowhere::Status::malloc_error:
+            return "err: malloc error";
+        case knowhere::Status::diskann_inner_error:
+            return "err: diskann inner error";
+        case knowhere::Status::diskann_file_error:
+            return "err: diskann file error";
+        case knowhere::Status::invalid_value_in_json:
+            return "err: invalid value in json";
+        case knowhere::Status::arithmetic_overflow:
+            return "err: arithmetic overflow";
+        default:
+            return "not match the error type in knowhere";
+    }
+}
+
 }  // namespace milvus
diff --git a/internal/core/src/index/VectorDiskIndex.cpp b/internal/core/src/index/VectorDiskIndex.cpp
index 707c5f75ed..55293996b2 100644
--- a/internal/core/src/index/VectorDiskIndex.cpp
+++ b/internal/core/src/index/VectorDiskIndex.cpp
@@ -161,7 +161,7 @@ VectorDiskAnnIndex<T>::Query(const DatasetPtr dataset, const SearchInfo& search_
         } else {
             auto res = index_.Search(*dataset, search_config, bitset);
             if (!res.has_value()) {
-                PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to search");
+                PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to search, " + MatchKnowhereError(res.error()));
             }
             return res.value();
         }
diff --git a/internal/core/src/index/VectorMemIndex.cpp b/internal/core/src/index/VectorMemIndex.cpp
index 75d035069b..53c95f6969 100644
--- a/internal/core/src/index/VectorMemIndex.cpp
+++ b/internal/core/src/index/VectorMemIndex.cpp
@@ -26,6 +26,7 @@
 #include "common/Slice.h"
 #include "common/Consts.h"
 #include "common/RangeSearchHelper.h"
+#include "common/Utils.h"
 
 namespace milvus::index {
 
@@ -41,7 +42,7 @@ VectorMemIndex::Serialize(const Config& config) {
     knowhere::BinarySet ret;
     auto stat = index_.Serialize(ret);
     if (stat != knowhere::Status::success)
-        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to serialize index");
+        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to serialize index, " + MatchKnowhereError(stat));
     milvus::Disassemble(ret);
 
     return ret;
@@ -52,7 +53,7 @@ VectorMemIndex::Load(const BinarySet& binary_set, const Config& config) {
     milvus::Assemble(const_cast<BinarySet&>(binary_set));
     auto stat = index_.Deserialize(binary_set);
     if (stat != knowhere::Status::success)
-        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to Deserialize index");
+        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to Deserialize index, " + MatchKnowhereError(stat));
     SetDim(index_.Dim());
 }
 
@@ -66,7 +67,7 @@ VectorMemIndex::BuildWithDataset(const DatasetPtr& dataset, const Config& config
     knowhere::TimeRecorder rc("BuildWithoutIds", 1);
     auto stat = index_.Build(*dataset, index_config);
     if (stat != knowhere::Status::success)
-        PanicCodeInfo(ErrorCodeEnum::BuildIndexError, "failed to build index");
+        PanicCodeInfo(ErrorCodeEnum::BuildIndexError, "failed to build index, " + MatchKnowhereError(stat));
     rc.ElapseFromBegin("Done");
     SetDim(index_.Dim());
 }
@@ -93,7 +94,7 @@ VectorMemIndex::Query(const DatasetPtr dataset, const SearchInfo& search_info, c
         } else {
             auto res = index_.Search(*dataset, search_conf, bitset);
             if (!res.has_value()) {
-                PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to search");
+                PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to search, " + MatchKnowhereError(res.error()));
             }
             return res.value();
         }
diff --git a/internal/core/src/index/VectorMemNMIndex.cpp b/internal/core/src/index/VectorMemNMIndex.cpp
index ea227aca23..827939896f 100644
--- a/internal/core/src/index/VectorMemNMIndex.cpp
+++ b/internal/core/src/index/VectorMemNMIndex.cpp
@@ -15,6 +15,7 @@
 // limitations under the License.
 
 #include "common/Slice.h"
+#include "common/Utils.h"
 #include "common/BitsetView.h"
 #include "index/VectorMemNMIndex.h"
 #include "log/Log.h"
@@ -30,7 +31,7 @@ VectorMemNMIndex::Serialize(const Config& config) {
     knowhere::BinarySet ret;
     auto stat = index_.Serialize(ret);
     if (stat != knowhere::Status::success)
-        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to serialize index");
+        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to serialize index, " + MatchKnowhereError(stat));
 
     auto deleter = [&](uint8_t*) {};  // avoid repeated deconstruction
     auto raw_data = std::shared_ptr<uint8_t[]>(static_cast<uint8_t*>(raw_data_.data()), deleter);
@@ -87,7 +88,7 @@ VectorMemNMIndex::LoadRawData() {
     knowhere::BinarySet bs;
     auto stat = index_.Serialize(bs);
     if (stat != knowhere::Status::success)
-        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to Serialize index");
+        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to Serialize index, " + MatchKnowhereError(stat));
 
     auto bptr = std::make_shared<knowhere::Binary>();
     auto deleter = [&](uint8_t*) {};  // avoid repeated deconstruction
@@ -96,7 +97,7 @@ VectorMemNMIndex::LoadRawData() {
     bs.Append(RAW_DATA, bptr);
     stat = index_.Deserialize(bs);
     if (stat != knowhere::Status::success)
-        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to Deserialize index");
+        PanicCodeInfo(ErrorCodeEnum::UnexpectedError, "failed to Deserialize index, " + MatchKnowhereError(stat));
 }
 
 }  // namespace milvus::index
diff --git a/internal/core/src/query/SearchBruteForce.cpp b/internal/core/src/query/SearchBruteForce.cpp
index 004b989667..13a9b9e11a 100644
--- a/internal/core/src/query/SearchBruteForce.cpp
+++ b/internal/core/src/query/SearchBruteForce.cpp
@@ -14,6 +14,7 @@
 
 #include "common/Consts.h"
 #include "common/RangeSearchHelper.h"
+#include "common/Utils.h"
 #include "SearchBruteForce.h"
 #include "SubSearchResult.h"
 #include "knowhere/comp/brute_force.h"
@@ -72,7 +73,7 @@ BruteForceSearch(const dataset::SearchDataset& dataset,
                                                             sub_result.mutable_distances().data(), config, bitset);
 
             if (stat != knowhere::Status::success) {
-                throw std::invalid_argument("invalid metric type");
+                throw std::invalid_argument("invalid metric type, " + MatchKnowhereError(stat));
             }
         }
     } catch (std::exception& e) {