diff --git a/internal/indexnode/indexnode.go b/internal/indexnode/indexnode.go
index 2dc7ab7580..e672b7fb06 100644
--- a/internal/indexnode/indexnode.go
+++ b/internal/indexnode/indexnode.go
@@ -342,6 +342,7 @@ func (i *IndexNode) ShowConfigurations(ctx context.Context, req *internalpb.Show
 			Configuations: nil,
 		}, nil
 	}
+	defer i.lifetime.Done()
 
 	configList := make([]*commonpb.KeyValuePair, 0)
 	for key, value := range Params.GetComponentConfigurations("indexnode", req.Pattern) {
diff --git a/internal/querycoordv2/services.go b/internal/querycoordv2/services.go
index dea9817a27..b1fb72dd43 100644
--- a/internal/querycoordv2/services.go
+++ b/internal/querycoordv2/services.go
@@ -840,9 +840,7 @@ func (s *Server) GetReplicas(ctx context.Context, req *milvuspb.GetReplicasReque
 
 	replicas := s.meta.ReplicaManager.GetByCollection(req.GetCollectionID())
 	if len(replicas) == 0 {
-		return &milvuspb.GetReplicasResponse{
-			Replicas: make([]*milvuspb.ReplicaInfo, 0),
-		}, nil
+		return resp, nil
 	}
 
 	for _, replica := range replicas {
diff --git a/internal/querynodev2/delegator/delegator_data.go b/internal/querynodev2/delegator/delegator_data.go
index 02a9509fe6..8c77e8369c 100644
--- a/internal/querynodev2/delegator/delegator_data.go
+++ b/internal/querynodev2/delegator/delegator_data.go
@@ -21,7 +21,6 @@ import (
 	"fmt"
 	"math/rand"
 	"runtime"
-	"sort"
 	"time"
 
 	"github.com/cockroachdb/errors"
@@ -594,10 +593,6 @@ func (sd *shardDelegator) GetLevel0Deletions(partitionID int64, candidate pkorac
 		}
 	}
 
-	sort.Slice(pks, func(i, j int) bool {
-		return tss[i] < tss[j]
-	})
-
 	return pks, tss
 }