diff --git a/internal/datacoord/services.go b/internal/datacoord/services.go
index 6ca3b3ae7e..4a0a7997b6 100644
--- a/internal/datacoord/services.go
+++ b/internal/datacoord/services.go
@@ -935,7 +935,7 @@ func (s *Server) WatchChannels(ctx context.Context, req *datapb.WatchChannelsReq
 
 // GetFlushState gets the flush state of multiple segments
 func (s *Server) GetFlushState(ctx context.Context, req *milvuspb.GetFlushStateRequest) (*milvuspb.GetFlushStateResponse, error) {
-	log.Debug("received get flush state request", zap.Int64s("segment ids", req.GetSegmentIDs()), zap.Int("len", len(req.GetSegmentIDs())))
+	log.Debug("received get flush state request", zap.Int64s("segmentIDs", req.GetSegmentIDs()), zap.Int("len", len(req.GetSegmentIDs())))
 
 	resp := &milvuspb.GetFlushStateResponse{Status: &commonpb.Status{ErrorCode: commonpb.ErrorCode_UnexpectedError}}
 	if s.isClosed() {