diff --git a/master/cluster.go b/master/cluster.go
index 6891b8c24..83e2b4c24 100644
--- a/master/cluster.go
+++ b/master/cluster.go
@@ -1261,6 +1261,25 @@ func (c *Cluster) checkInactiveDataNodes() (inactiveDataNodes []string, err erro
 	return
 }
 
+func (c *Cluster) checkLackReplicaAndHostDataPartitions() (lackReplicaDataPartitions []*DataPartition, err error) {
+	lackReplicaDataPartitions = make([]*DataPartition, 0)
+	vols := c.copyVols()
+	var ids []uint64
+	for _, vol := range vols {
+		var dps *DataPartitionMap
+		dps = vol.dataPartitions
+		for _, dp := range dps.partitions {
+			if dp.ReplicaNum > uint8(len(dp.Hosts)) && len(dp.Hosts) == len(dp.Replicas) && (dp.IsDecommissionInitial() || dp.IsRollbackFailed()) {
+				lackReplicaDataPartitions = append(lackReplicaDataPartitions, dp)
+				ids = append(ids, dp.PartitionID)
+			}
+		}
+	}
+	log.LogInfof("clusterID[%v] checkLackReplicaAndHostDataPartitions count:[%v] ids[%v]", c.Name,
+		len(lackReplicaDataPartitions), ids)
+	return
+}
+
 func (c *Cluster) checkLackReplicaDataPartitions() (lackReplicaDataPartitions []*DataPartition, err error) {
 	lackReplicaDataPartitions = make([]*DataPartition, 0)
 	vols := c.copyVols()
@@ -2378,6 +2397,94 @@ ERR:
 	return err
 }
 
+func (c *Cluster) autoAddDataReplica(dp *DataPartition) (success bool, err error) {
+	var (
+		targetHosts []string
+		newAddr     string
+		vol         *Vol
+		zone        *Zone
+		ns          *nodeSet
+	)
+	success = false
+
+	dp.RLock()
+
+	// not support
+	if dp.isSpecialReplicaCnt() {
+		dp.RUnlock()
+		return
+	}
+
+	dp.RUnlock()
+
+	// not support
+	if !proto.IsNormalDp(dp.PartitionType) {
+		return
+	}
+
+	var ok bool
+	if vol, ok = c.vols[dp.VolName]; !ok {
+		log.LogWarnf("action[autoAddDataReplica] clusterID[%v] vol[%v] partitionID[%v] vol not exist, PersistenceHosts:[%v]",
+			c.Name, dp.VolName, dp.PartitionID, dp.Hosts)
+		return
+	}
+
+	// not support
+	if c.isFaultDomain(vol) {
+		return
+	}
+
+	if vol.crossZone {
+		zones := dp.getZones()
+		if targetHosts, _, err = c.getHostFromNormalZone(TypeDataPartition, zones, nil, dp.Hosts, 1, 1, ""); err != nil {
+			goto errHandler
+		}
+	} else {
+		if zone, err = c.t.getZone(vol.zoneName); err != nil {
+			log.LogWarnf("action[autoAddDataReplica] clusterID[%v] vol[%v] partitionID[%v] zone not exist, PersistenceHosts:[%v]",
+				c.Name, dp.VolName, dp.PartitionID, dp.Hosts)
+			return
+		}
+		nodeSets := dp.getNodeSets()
+		if len(nodeSets) != 1 {
+			log.LogWarnf("action[autoAddDataReplica] clusterID[%v] vol[%v] partitionID[%v] the number of nodeSets is not one, PersistenceHosts:[%v]",
+				c.Name, dp.VolName, dp.PartitionID, dp.Hosts)
+			return
+		}
+		if ns, err = zone.getNodeSet(nodeSets[0]); err != nil {
+			goto errHandler
+		}
+		if targetHosts, _, err = ns.getAvailDataNodeHosts(dp.Hosts, 1); err != nil {
+			goto errHandler
+		}
+	}
+
+	newAddr = targetHosts[0]
+	if err = c.addDataReplica(dp, newAddr, false); err != nil {
+		goto errHandler
+	}
+
+	dp.Status = proto.ReadOnly
+	dp.isRecover = true
+	c.putBadDataPartitionIDs(nil, newAddr, dp.PartitionID)
+
+	dp.RLock()
+	c.syncUpdateDataPartition(dp)
+	dp.RUnlock()
+
+	log.LogInfof("action[autoAddDataReplica] clusterID[%v] vol[%v] partitionID[%v] auto add data replica success, newReplicaHost[%v], PersistenceHosts:[%v]",
+		c.Name, dp.VolName, dp.PartitionID, newAddr, dp.Hosts)
+	success = true
+	return
+
+errHandler:
+	if err != nil {
+		err = fmt.Errorf("clusterID[%v] vol[%v] partitionID[%v], err[%v]", c.Name, dp.VolName, dp.PartitionID, err)
+		log.LogErrorf("action[autoAddDataReplica] err %v", err)
+	}
+	return
+}
+
 // Decommission a data partition.
 // 1. Check if we can decommission a data partition. In the following cases, we are not allowed to do so:
 // - (a) a replica is not in the latest host list;
diff --git a/master/topology.go b/master/topology.go
index 0e4861d0c..736c75dad 100644
--- a/master/topology.go
+++ b/master/topology.go
@@ -30,7 +30,7 @@ import (
 )
 
 type rsManager struct {
-	// nodeType         NodeType
+	nodeType         NodeType
 	nodes            *sync.Map
 	zoneIndexForNode int
 	// zones            []*Zone
@@ -2184,6 +2184,7 @@ func (l *DecommissionDataPartitionList) traverse(c *Cluster) {
 						log.LogDebugf("action[DecommissionListTraverse]ns %v(%p) Remove dp[%v] for success",
 							l.nsId, l, dp.PartitionID)
 					}
+					auditlog.LogMasterOp("TraverseDataPartition", msg, err)
 				} else if dp.IsDecommissionFailed() {
 					remove := false
 					if !dp.tryRollback(c) {
diff --git a/master/vol_test.go b/master/vol_test.go
index 33f8ced44..2956d236d 100644
--- a/master/vol_test.go
+++ b/master/vol_test.go
@@ -115,7 +115,7 @@ func TestCreateColdVol(t *testing.T) {
 	require.EqualValues(t, defaultReplicaNum, vol.dpReplicaNum)
 	require.EqualValues(t, 0, vol.domainId)
 
-	delVol(volName, t)
+	delVol(volName1, t)
 	time.Sleep(30 * time.Second)
 
 	req[nameKey] = volName2
diff --git a/metanode/api_handler.go b/metanode/api_handler.go
index 3777338e2..a7aad164e 100644
--- a/metanode/api_handler.go
+++ b/metanode/api_handler.go
@@ -459,7 +459,7 @@ func (m *MetaNode) getExtentsByInodeHandler(w http.ResponseWriter,
 	p.StartT = time.Now().UnixNano()
 	p.ReqID = proto.GenerateRequestID()
 	p.Opcode = proto.OpMetaExtentsList
-	p.PartitionID = pid
+	p.PartitionID = pid.V
 	err = p.MarshalData(req)
 	if err != nil {
 		resp.Code = http.StatusInternalServerError
@@ -742,11 +742,12 @@ func (m *MetaNode) getDirectoryHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	pIno, err := strconv.ParseUint(r.FormValue("parentIno"), 10, 64)
+	p1, err := strconv.ParseUint(r.FormValue("parentIno"), 10, 64)
 	if err != nil {
 		resp.Msg = err.Error()
 		return
 	}
+	pid.V = p1
 
 	verSeq, err := m.getRealVerSeq(w, r)
 	if err != nil {
diff --git a/metanode/const.go b/metanode/const.go
index 0ac3334d6..d48552db5 100644
--- a/metanode/const.go
+++ b/metanode/const.go
@@ -247,12 +247,8 @@ const (
 
 // TODO: to remove unused by golangci
 var (
-	_ = opFSMDelVer
 	_ = opFSMDeletePartition
-	_ = opFSMSentToChanV1
-	_ = opFSMStoreTickV1
 	_ = opFSMUpdateSummaryInfo
-	_ = (*metaPartition).doDeleteMarkedInodes
 	_ = (*Dentry).getLastestVer
 	_ = (*Inode).isEkInRefMap
 	_ = (*metaPartition).notifyRaftFollowerToFreeInodes
diff --git a/proto/model.go b/proto/model.go
index 586a58afb..6db02c89c 100644
--- a/proto/model.go
+++ b/proto/model.go
@@ -396,15 +396,6 @@ type DataDecommissionProgress struct {
 	ResidualDps   []IgnoreDecommissionDP
 }
 
-type DataDecommissionProgress struct {
-	Status        uint32
-	StatusMessage string
-	Progress      string
-	FailedDps     []FailedDpInfo
-	IgnoreDps     []IgnoreDecommissionDP
-	ResidualDps   []IgnoreDecommissionDP
-}
-
 type DiskInfo struct {
 	NodeId  uint64
 	Address string
diff --git a/util/string.go b/util/string.go
index b8fe95a01..733d59d80 100644
--- a/util/string.go
+++ b/util/string.go
@@ -230,45 +230,5 @@ func String2Any(str string, pvalue interface{}) error {
 	if err != nil {
 		return err
 	}
-
-	switch v := pvalue.(type) {
-	case *string:
-		*v = val.(string)
-	case *bool:
-		*v = val.(bool)
-
-	case *int:
-		*v = int(val.(int64))
-	case *int8:
-		*v = int8(val.(int64))
-	case *int16:
-		*v = int16(val.(int64))
-	case *int32:
-		*v = int32(val.(int64))
-	case *int64:
-		*v = int64(val.(int64))
-
-	case *uint:
-		*v = uint(val.(uint64))
-	case *uint8:
-		*v = uint8(val.(uint64))
-	case *uint16:
-		*v = uint16(val.(uint64))
-	case *uint32:
-		*v = uint32(val.(uint64))
-	case *uint64:
-		*v = uint64(val.(uint64))
-
-	case *float32:
-		*v = float32(val.(float64))
-	case *float64:
-		*v = float64(val.(float64))
-	case *complex64:
-		*v = complex64(val.(complex128))
-	case *complex128:
-		*v = complex128(val.(complex128))
-	default:
-		return fmt.Errorf("unknown type %v of %s %v", v, str, pvalue)
-	}
 	return nil
 }