diff --git a/internal/proxynode/task.go b/internal/proxynode/task.go
index 7b85eb0307..3d11536de0 100644
--- a/internal/proxynode/task.go
+++ b/internal/proxynode/task.go
@@ -397,17 +397,14 @@ func (dct *DropCollectionTask) Execute() error {
 	if err != nil {
 		return err
 	}
-
-	dct.result, err = dct.masterClient.DropCollection(dct.DropCollectionRequest)
-	if err != nil {
-		return err
+	dct.result, _ = dct.masterClient.DropCollection(dct.DropCollectionRequest)
+	if dct.result.ErrorCode != commonpb.ErrorCode_SUCCESS {
+		return errors.New(dct.result.Reason)
 	}
-
 	err = globalInsertChannelsMap.closeInsertMsgStream(collID)
 	if err != nil {
 		return err
 	}
-
 	return nil
 }
 
diff --git a/internal/querynode/collection_replica.go b/internal/querynode/collection_replica.go
index bf9c3e02a9..d97b67d74d 100644
--- a/internal/querynode/collection_replica.go
+++ b/internal/querynode/collection_replica.go
@@ -61,6 +61,7 @@ type collectionReplica interface {
 
 	getSegmentStatistics() []*internalpb2.SegmentStats
 	getEnabledSealedSegmentsBySegmentType(segType segmentType) ([]UniqueID, []UniqueID, []UniqueID)
+	getSealedSegmentsBySegmentType(segType segmentType) ([]UniqueID, []UniqueID, []UniqueID)
 	replaceGrowingSegmentBySealedSegment(segment *Segment) error
 
 	getTSafe() tSafe
@@ -477,7 +478,7 @@ func (colReplica *collectionReplicaImpl) getEnabledSealedSegmentsBySegmentType(s
 			}
 			if segment.getType() == segType {
 				targetCollectionIDs = append(targetCollectionIDs, segment.collectionID)
-				targetPartitionIDs = append(targetPartitionIDs, segment.collectionID)
+				targetPartitionIDs = append(targetPartitionIDs, segment.partitionID)
 				targetSegmentIDs = append(targetSegmentIDs, segment.segmentID)
 			}
 		}
@@ -486,6 +487,25 @@ func (colReplica *collectionReplicaImpl) getEnabledSealedSegmentsBySegmentType(s
 	return targetCollectionIDs, targetPartitionIDs, targetSegmentIDs
 }
 
+func (colReplica *collectionReplicaImpl) getSealedSegmentsBySegmentType(segType segmentType) ([]UniqueID, []UniqueID, []UniqueID) {
+	colReplica.mu.RLock()
+	defer colReplica.mu.RUnlock()
+
+	targetCollectionIDs := make([]UniqueID, 0)
+	targetPartitionIDs := make([]UniqueID, 0)
+	targetSegmentIDs := make([]UniqueID, 0)
+
+	for _, segment := range colReplica.segments {
+		if segment.getType() == segType {
+			targetCollectionIDs = append(targetCollectionIDs, segment.collectionID)
+			targetPartitionIDs = append(targetPartitionIDs, segment.partitionID)
+			targetSegmentIDs = append(targetSegmentIDs, segment.segmentID)
+		}
+	}
+
+	return targetCollectionIDs, targetPartitionIDs, targetSegmentIDs
+}
+
 func (colReplica *collectionReplicaImpl) replaceGrowingSegmentBySealedSegment(segment *Segment) error {
 	colReplica.mu.Lock()
 	defer colReplica.mu.Unlock()
diff --git a/internal/querynode/index_loader.go b/internal/querynode/index_loader.go
index 207386ad5c..08d867ec7f 100644
--- a/internal/querynode/index_loader.go
+++ b/internal/querynode/index_loader.go
@@ -41,8 +41,9 @@ type loadIndex struct {
 }
 
 func (loader *indexLoader) doLoadIndex(wg *sync.WaitGroup) {
-	collectionIDs, _, segmentIDs := loader.replica.getEnabledSealedSegmentsBySegmentType(segTypeSealed)
+	collectionIDs, _, segmentIDs := loader.replica.getSealedSegmentsBySegmentType(segTypeSealed)
 	if len(collectionIDs) <= 0 {
+		wg.Done()
 		return
 	}
 	fmt.Println("do load index for sealed segments:", segmentIDs)
diff --git a/internal/querynode/load_service.go b/internal/querynode/load_service.go
index 1f3268399a..6540011370 100644
--- a/internal/querynode/load_service.go
+++ b/internal/querynode/load_service.go
@@ -40,8 +40,9 @@ func (s *loadService) close() {
 }
 
 func (s *loadService) loadSegmentActively(wg *sync.WaitGroup) {
-	collectionIDs, partitionIDs, segmentIDs := s.segLoader.replica.getEnabledSealedSegmentsBySegmentType(segTypeGrowing)
+	collectionIDs, partitionIDs, segmentIDs := s.segLoader.replica.getSealedSegmentsBySegmentType(segTypeGrowing)
 	if len(collectionIDs) <= 0 {
+		wg.Done()
 		return
 	}
 	fmt.Println("do load segment for growing segments:", segmentIDs)
@@ -92,7 +93,7 @@ func (s *loadService) loadSegmentInternal(collectionID UniqueID, partitionID Uni
 	_, buildID, errIndex := s.segLoader.indexLoader.getIndexInfo(collectionID, segmentID)
 	if errIndex == nil {
 		// we don't need load to vector fields
-		vectorFields, err := s.segLoader.replica.getVecFieldIDsByCollectionID(segmentID)
+		vectorFields, err := s.segLoader.replica.getVecFieldIDsByCollectionID(collectionID)
 		if err != nil {
 			return err
 		}
diff --git a/internal/querynode/query_node.go b/internal/querynode/query_node.go
index af2a9bed87..2d79e8a69d 100644
--- a/internal/querynode/query_node.go
+++ b/internal/querynode/query_node.go
@@ -146,14 +146,14 @@ func (node *QueryNode) Start() error {
 	// init services and manager
 	node.dataSyncService = newDataSyncService(node.queryNodeLoopCtx, node.replica)
 	node.searchService = newSearchService(node.queryNodeLoopCtx, node.replica)
-	node.metaService = newMetaService(node.queryNodeLoopCtx, node.replica)
+	//node.metaService = newMetaService(node.queryNodeLoopCtx, node.replica)
 	node.loadService = newLoadService(node.queryNodeLoopCtx, node.masterClient, node.dataClient, node.indexClient, node.replica, node.dataSyncService.dmStream)
 	node.statsService = newStatsService(node.queryNodeLoopCtx, node.replica, node.loadService.segLoader.indexLoader.fieldStatsChan)
 
 	// start services
 	go node.dataSyncService.start()
 	go node.searchService.start()
-	go node.metaService.start()
+	//go node.metaService.start()
 	go node.loadService.start()
 	go node.statsService.start()