diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index 033708a2c6..511353fddd 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -403,7 +403,7 @@ queryNode:
       nprobe: 16 # nprobe to search small index, based on your accuracy requirement, must smaller than nlist
       memExpansionRate: 1.15 # extra memory needed by building interim index
       buildParallelRate: 0.5 # the ratio of building interim index parallel matched with cpu num
-    multipleChunkedEnable: false # Enable multiple chunked search
+    multipleChunkedEnable: true # Enable multiple chunked search
     knowhereScoreConsistency: false # Enable knowhere strong consistency score computation logic
   loadMemoryUsageFactor: 1 # The multiply factor of calculating the memory usage while loading segments
   enableDisk: false # enable querynode load disk index, and search on disk index
diff --git a/internal/core/src/segcore/SegmentChunkReader.cpp b/internal/core/src/segcore/SegmentChunkReader.cpp
index 1dd6fb8268..207248acf8 100644
--- a/internal/core/src/segcore/SegmentChunkReader.cpp
+++ b/internal/core/src/segcore/SegmentChunkReader.cpp
@@ -125,9 +125,6 @@ SegmentChunkReader::GetChunkDataAccessor<std::string>(
         auto chunk_info =
             segment_->chunk_view<std::string_view>(field_id, current_chunk_id);
 
-        auto chunk_data = chunk_info.first.data();
-        auto chunk_valid_data = chunk_info.second;
-
         auto current_chunk_size =
             segment_->chunk_size(field_id, current_chunk_id);
         return [=,
@@ -136,13 +133,13 @@ SegmentChunkReader::GetChunkDataAccessor<std::string>(
             if (current_chunk_pos >= current_chunk_size) {
                 current_chunk_id++;
                 current_chunk_pos = 0;
-                auto chunk_info = segment_->chunk_view<std::string_view>(
+                chunk_info = segment_->chunk_view<std::string_view>(
                     field_id, current_chunk_id);
-                chunk_data = chunk_info.first.data();
-                chunk_valid_data = chunk_info.second;
                 current_chunk_size =
                     segment_->chunk_size(field_id, current_chunk_id);
             }
+            auto chunk_data = chunk_info.first;
+            auto chunk_valid_data = chunk_info.second;
             if (current_chunk_pos < chunk_valid_data.size() &&
                 !chunk_valid_data[current_chunk_pos]) {
                 current_chunk_pos++;