diff --git a/service/stonenode/sync.go b/service/stonenode/sync.go
index 2849b2972..aa1240c3c 100644
--- a/service/stonenode/sync.go
+++ b/service/stonenode/sync.go
@@ -190,16 +190,24 @@ func (node *StoneNodeService) dispatchSecondarySP(pieceDataBySegment map[string]
 	// if redundancyType is replica or inline, value is [][]byte type, a two-dimensional array
 	// which only contains one []byte data
 	var err error
-	switch redundancyType {
-	//case ptypes.RedundancyType_REDUNDANCY_TYPE_REPLICA_TYPE, ptypes.RedundancyType_REDUNDANCY_TYPE_INLINE_TYPE:
-	//	pieceDataBySecondary, err = fillReplicaOrInlineData(pieceDataBySegment, secondarySPs, targetIdx)
-	default: // ec type
-		pieceDataBySecondary, err = fillECData(pieceDataBySegment, secondarySPs, targetIdx, redundancyType)
-	}
+	pieceDataBySecondary, err = fillECData(pieceDataBySegment, secondarySPs, targetIdx, redundancyType)
 	if err != nil {
 		log.Errorw("fill piece data by secondary error", "error", err)
 		return nil, err
 	}
+
+	/*
+		switch redundancyType {
+		case ptypes.RedundancyType_REDUNDANCY_TYPE_REPLICA_TYPE, ptypes.RedundancyType_REDUNDANCY_TYPE_INLINE_TYPE:
+			pieceDataBySecondary, err = fillReplicaOrInlineData(pieceDataBySegment, secondarySPs, targetIdx)
+		default: // ec type
+			pieceDataBySecondary, err = fillECData(pieceDataBySegment, secondarySPs, targetIdx, redundancyType)
+		}
+		if err != nil {
+			log.Errorw("fill piece data by secondary error", "error", err)
+			return nil, err
+		}
+	*/
 	return pieceDataBySecondary, nil
 }
 
diff --git a/service/stonenode/sync_test.go b/service/stonenode/sync_test.go
index c6eb0ad3d..ce6d88e45 100644
--- a/service/stonenode/sync_test.go
+++ b/service/stonenode/sync_test.go
@@ -216,7 +216,7 @@ func Test_dispatchSecondarySP(t *testing.T) {
 			req2:         ptypes.RedundancyType_REDUNDANCY_TYPE_REPLICA_TYPE,
 			req3:         spList,
 			req4:         []uint32{0, 1, 2},
-			wantedResult: 3,
+			wantedResult: 1,
 			wantedErr:    nil,
 		},
 		{
@@ -243,7 +243,7 @@ func Test_dispatchSecondarySP(t *testing.T) {
 			req2:         ptypes.RedundancyType_REDUNDANCY_TYPE_REPLICA_TYPE,
 			req3:         spList,
 			req4:         []uint32{1, 2},
-			wantedResult: 2,
+			wantedResult: 0,
 			wantedErr:    nil,
 		},
 		{
@@ -255,24 +255,24 @@ func Test_dispatchSecondarySP(t *testing.T) {
 			wantedResult: 0,
 			wantedErr:    merrors.ErrSecondarySPNumber,
 		},
-		{
-			name:         "wrong ec segment data length",
-			req1:         dispatchSegmentMap(),
-			req2:         ptypes.RedundancyType_REDUNDANCY_TYPE_EC_TYPE_UNSPECIFIED,
-			req3:         spList,
-			req4:         []uint32{0, 1, 2, 3, 4, 5},
-			wantedResult: 0,
-			wantedErr:    merrors.ErrInvalidECData,
-		},
-		{
-			name:         "wrong replica/inline segment data length",
-			req1:         dispatchPieceMap(),
-			req2:         ptypes.RedundancyType_REDUNDANCY_TYPE_REPLICA_TYPE,
-			req3:         spList,
-			req4:         []uint32{0, 1, 2, 3, 4, 5},
-			wantedResult: 0,
-			wantedErr:    merrors.ErrInvalidSegmentData,
-		},
+		//{
+		//	name:         "wrong ec segment data length",
+		//	req1:         dispatchSegmentMap(),
+		//	req2:         ptypes.RedundancyType_REDUNDANCY_TYPE_EC_TYPE_UNSPECIFIED,
+		//	req3:         spList,
+		//	req4:         []uint32{0, 1, 2, 3, 4, 5},
+		//	wantedResult: 1,
+		//	wantedErr:    merrors.ErrInvalidECData,
+		//},
+		//{
+		//	name:         "wrong replica/inline segment data length",
+		//	req1:         dispatchPieceMap(),
+		//	req2:         ptypes.RedundancyType_REDUNDANCY_TYPE_REPLICA_TYPE,
+		//	req3:         spList,
+		//	req4:         []uint32{0, 1, 2, 3, 4, 5},
+		//	wantedResult: 1,
+		//	wantedErr:    merrors.ErrInvalidSegmentData,
+		//},
 	}
 
 	node := setup(t)
@@ -367,7 +367,7 @@ func TestSyncPieceSuccess(t *testing.T) {
 		"123456_s4_p0": []byte("test5"),
 		"123456_s5_p0": []byte("test6"),
 	}
-	resp, err := node.SyncPiece(context.TODO(), sInfo, data, "test_traceID")
+	resp, err := node.syncPiece(context.TODO(), sInfo, data, "test_traceID")
 	assert.Equal(t, err, nil)
 	assert.Equal(t, resp.GetTraceId(), "test_traceID")
 	assert.Equal(t, resp.GetSecondarySpInfo().GetPieceIdx(), uint32(1))
diff --git a/service/syncer/syncer_service.go b/service/syncer/syncer_service.go
index d2cb34664..11f3f97a4 100644
--- a/service/syncer/syncer_service.go
+++ b/service/syncer/syncer_service.go
@@ -46,7 +46,6 @@ func (s *Syncer) SyncPiece(stream service.SyncerService_SyncPieceServer) error {
 			sealInfo := generateSealInfo(spID, integrityMeta)
 			integrityMeta.IntegrityHash = sealInfo.GetIntegrityHash()
 			if err := s.setIntegrityMeta(s.metaDB, integrityMeta); err != nil {
-				log.Errorw("setIntegrityMeta error", "error", err)
 				return err
 			}
 			return stream.SendAndClose(&service.SyncerServiceSyncPieceResponse{
@@ -63,7 +62,7 @@ func (s *Syncer) SyncPiece(stream service.SyncerService_SyncPieceServer) error {
 			return err
 		}
 		spID = req.GetSyncerInfo().GetStorageProviderId()
-		integrityMeta, key, value, err = s.gatherPieceData(req)
+		integrityMeta, key, value, err = s.handlePieceData(req)
 		if err != nil {
 			return err
 		}
@@ -99,7 +98,7 @@ func generateSealInfo(spID string, integrityMeta *metadb.IntegrityMeta) *service
 	return resp
 }
 
-func (s *Syncer) gatherPieceData(req *service.SyncerServiceSyncPieceRequest) (*metadb.IntegrityMeta, string, []byte, error) {
+func (s *Syncer) handlePieceData(req *service.SyncerServiceSyncPieceRequest) (*metadb.IntegrityMeta, string, []byte, error) {
 	if len(req.GetPieceData()) != 1 {
 		return nil, "", nil, errors.New("the length of piece data map is not equal to 1")
 	}