diff --git a/core/src/db/DBImpl.cpp b/core/src/db/DBImpl.cpp
index 15d60e6c96fbdcb4288c43343e981e46566caeb3..f7102c006189ec797b35fd027f94ffb6d42dfeee 100644
--- a/core/src/db/DBImpl.cpp
+++ b/core/src/db/DBImpl.cpp
@@ -1108,7 +1108,7 @@ DBImpl::ExecWalRecord(const wal::MXLogRecord& record) {
     switch (record.type) {
         case wal::MXLogType::Entity: {
             int64_t collection_name = 0, partition_id = 0;
-            auto status = get_collection_partition_id(record, collection_name, partition_id);
+            status = get_collection_partition_id(record, collection_name, partition_id);
             if (!status.ok()) {
                 LOG_WAL_ERROR_ << LogOut("[%s][%ld] ", "insert", 0) << status.message();
                 return status;
@@ -1124,7 +1124,7 @@ DBImpl::ExecWalRecord(const wal::MXLogRecord& record) {
 
         case wal::MXLogType::Delete: {
             snapshot::ScopedSnapshotT ss;
-            auto status = snapshot::Snapshots::GetInstance().GetSnapshot(ss, record.collection_id);
+            status = snapshot::Snapshots::GetInstance().GetSnapshot(ss, record.collection_id);
             if (!status.ok()) {
                 LOG_WAL_ERROR_ << LogOut("[%s][%ld] ", "delete", 0) << "Get snapshot fail: " << status.message();
                 return status;
@@ -1148,7 +1148,7 @@ DBImpl::ExecWalRecord(const wal::MXLogRecord& record) {
             if (!record.collection_id.empty()) {
                 // flush one collection
                 snapshot::ScopedSnapshotT ss;
-                auto status = snapshot::Snapshots::GetInstance().GetSnapshot(ss, record.collection_id);
+                status = snapshot::Snapshots::GetInstance().GetSnapshot(ss, record.collection_id);
                 if (!status.ok()) {
                     LOG_WAL_ERROR_ << LogOut("[%s][%ld] ", "flush", 0) << "Get snapshot fail: " << status.message();
                     return status;
@@ -1175,7 +1175,7 @@ DBImpl::ExecWalRecord(const wal::MXLogRecord& record) {
                 std::set<std::string> flushed_collections;
                 for (auto id : collection_names) {
                     snapshot::ScopedSnapshotT ss;
-                    auto status = snapshot::Snapshots::GetInstance().GetSnapshot(ss, id);
+                    status = snapshot::Snapshots::GetInstance().GetSnapshot(ss, id);
                     if (!status.ok()) {
                         LOG_WAL_ERROR_ << LogOut("[%s][%ld] ", "flush", 0) << "Get snapshot fail: " << status.message();
                         return status;
@@ -1239,7 +1239,7 @@ DBImpl::BackgroundMerge(std::set<std::string> collection_names, bool force_merge
             merge_mgr_ptr_->UseStrategy(MergeStrategyType::ADAPTIVE);
         }
 
-        auto status = merge_mgr_ptr_->MergeFiles(collection_name);
+        status = merge_mgr_ptr_->MergeFiles(collection_name);
         merge_mgr_ptr_->UseStrategy(old_strategy);
         if (!status.ok()) {
             LOG_ENGINE_ERROR_ << "Failed to get merge files for collection: " << collection_name
diff --git a/core/src/segment/SegmentReader.cpp b/core/src/segment/SegmentReader.cpp
index 7b84d4d3f893df2c67e8c105676c7f168ac4dd60..ca04c56edb482fae84776343a8e166d01c2e7a92 100644
--- a/core/src/segment/SegmentReader.cpp
+++ b/core/src/segment/SegmentReader.cpp
@@ -164,7 +164,7 @@ SegmentReader::LoadEntities(const std::string& field_name, const std::vector<int
 
         codec::ReadRanges ranges;
         for (auto offset : offsets) {
-            ranges.push_back(codec::ReadRange(offset, field_width));
+            ranges.push_back(codec::ReadRange(offset * field_width, field_width));
         }
         auto& ss_codec = codec::Codec::instance();
         ss_codec.GetBlockFormat()->Read(fs_ptr_, file_path, ranges, raw);
diff --git a/core/src/server/grpc_impl/GrpcRequestHandler.cpp b/core/src/server/grpc_impl/GrpcRequestHandler.cpp
index 2367758e7b789c082f237004fedfcf42b68af118..52873f5b3f3af9f51cf1335f53ba336b519b5ba4 100644
--- a/core/src/server/grpc_impl/GrpcRequestHandler.cpp
+++ b/core/src/server/grpc_impl/GrpcRequestHandler.cpp
@@ -1255,6 +1255,11 @@ GrpcRequestHandler::Insert(::grpc::ServerContext* context, const ::milvus::grpc:
     auto valid_row_count = [&](int32_t& base, int32_t test) -> bool {
         if (base < 0) {
             base = test;
+            if (request->entity_id_array_size() > 0 && base != request->entity_id_array_size()) {
+                auto status = Status{SERVER_INVALID_ROWRECORD_ARRAY, "ID size not matches entity size"};
+                SET_RESPONSE(response->mutable_status(), status, context);
+                return false;
+            }
         } else if (base != test) {
             auto status = Status{SERVER_INVALID_ROWRECORD_ARRAY, "Field row count inconsist"};
             SET_RESPONSE(response->mutable_status(), status, context);