diff --git a/internal/datacoord/meta.go b/internal/datacoord/meta.go
index f06831bb56..3ae2164079 100644
--- a/internal/datacoord/meta.go
+++ b/internal/datacoord/meta.go
@@ -73,7 +73,7 @@ func (m *meta) reloadFromKV() error {
 		segmentInfo := &datapb.SegmentInfo{}
 		err = proto.Unmarshal([]byte(value), segmentInfo)
 		if err != nil {
-			return fmt.Errorf("dataCoord reloadFromKV UnMarshal datapb.SegmentInfo err:%w", err)
+			return fmt.Errorf("DataCoord reloadFromKV UnMarshal datapb.SegmentInfo err:%w", err)
 		}
 		m.segments.SetSegment(segmentInfo.GetID(), NewSegmentInfo(segmentInfo))
 	}