diff --git a/internal/proto/query_coord.proto b/internal/proto/query_coord.proto
index c375154ddf..f77ce1c604 100644
--- a/internal/proto/query_coord.proto
+++ b/internal/proto/query_coord.proto
@@ -342,7 +342,6 @@ message SegmentLoadInfo {
     int64 readableVersion = 16;
     data.SegmentLevel level = 17;
     int64 storageVersion = 18;
-    bool lazy_load = 19;
 }
 
 message FieldIndexInfo {
diff --git a/internal/querynodev2/segments/segment.go b/internal/querynodev2/segments/segment.go
index 79192907c7..1275ef1f07 100644
--- a/internal/querynodev2/segments/segment.go
+++ b/internal/querynodev2/segments/segment.go
@@ -93,6 +93,7 @@ type baseSegment struct {
 	isLazyLoad     bool
 	startPosition  *msgpb.MsgPosition // for growing segment release
 	bloomFilterSet *pkoracle.BloomFilterSet
+	loadInfo       *querypb.SegmentLoadInfo
 }
 
 func newBaseSegment(id, partitionID, collectionID int64, shard string, typ SegmentType, level datapb.SegmentLevel, version int64, startPosition *msgpb.MsgPosition) baseSegment {
@@ -156,8 +157,7 @@ func (s *baseSegment) IsLazyLoad() bool {
 }
 
 func (s *baseSegment) LoadInfo() *querypb.SegmentLoadInfo {
-	// TODO
-	return nil
+	return s.loadInfo
 }
 
 func (s *baseSegment) UpdateBloomFilter(pks []storage.PrimaryKey) {
diff --git a/internal/querynodev2/segments/segment_loader.go b/internal/querynodev2/segments/segment_loader.go
index b89b722a16..17d7b290a0 100644
--- a/internal/querynodev2/segments/segment_loader.go
+++ b/internal/querynodev2/segments/segment_loader.go
@@ -934,7 +934,8 @@ func (loader *segmentLoader) loadSegment(ctx context.Context,
 
 	if segment.Type() == SegmentTypeSealed {
 		loadStatus := LoadStatusInMemory
-		if loadInfo.GetLazyLoad() {
+		if common.IsCollectionLazyLoadEnabled(collection.Schema().GetProperties()...) {
+			segment.baseSegment.loadInfo = loadInfo
 			loadStatus = LoadStatusMeta
 		}
 
diff --git a/pkg/common/common.go b/pkg/common/common.go
index 79090d36cb..fe0d663120 100644
--- a/pkg/common/common.go
+++ b/pkg/common/common.go
@@ -18,6 +18,7 @@ package common
 
 import (
 	"encoding/binary"
+	"strings"
 
 	"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
 	"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
@@ -142,7 +143,7 @@ func IsSystemField(fieldID int64) bool {
 
 func IsMmapEnabled(kvs ...*commonpb.KeyValuePair) bool {
 	for _, kv := range kvs {
-		if kv.Key == MmapEnabledKey && kv.Value == "true" {
+		if kv.Key == MmapEnabledKey && strings.ToLower(kv.Value) == "true" {
 			return true
 		}
 	}
@@ -160,7 +161,7 @@ func IsFieldMmapEnabled(schema *schemapb.CollectionSchema, fieldID int64) bool {
 
 func IsCollectionLazyLoadEnabled(kvs ...*commonpb.KeyValuePair) bool {
 	for _, kv := range kvs {
-		if kv.Key == LazyLoadEnableKey && kv.Value == "true" {
+		if kv.Key == LazyLoadEnableKey && strings.ToLower(kv.Value) == "true" {
 			return true
 		}
 	}