diff --git a/core/transaction/cancelproducertransaction.go b/core/transaction/cancelproducertransaction.go
index fe7ccc0bc..b9e079394 100644
--- a/core/transaction/cancelproducertransaction.go
+++ b/core/transaction/cancelproducertransaction.go
@@ -46,7 +46,6 @@ func (t *CancelProducerTransaction) HeightVersionCheck() error {
 				t.TxType().Name(), t.PayloadVersion()))
 		}
 	}
-
 	return nil
 }
 
diff --git a/core/transaction/registerproducertransaction.go b/core/transaction/registerproducertransaction.go
index ac65cc56c..59857b73c 100644
--- a/core/transaction/registerproducertransaction.go
+++ b/core/transaction/registerproducertransaction.go
@@ -35,7 +35,6 @@ func (t *RegisterProducerTransaction) HeightVersionCheck() error {
 				t.TxType().Name(), t.PayloadVersion()))
 		}
 	}
-
 	return nil
 }
 
@@ -207,7 +206,7 @@ func (t *RegisterProducerTransaction) SpecialContextCheck() (elaerr.ELAError, bo
 			return elaerr.Simple(elaerr.ErrTxPayload, errors.New("there must be only one deposit address in outputs")), true
 		}
 
-	} else { //if t.PayloadVersion() == payload.ProducerInfoDposV2Version || t.PayloadVersion() == payload.ProducerInfoSchnorrVersion
+	} else {
 		if t.parameters.BlockHeight+t.parameters.Config.DPoSConfiguration.DPoSV2DepositCoinMinLockTime >= info.StakeUntil {
 			return elaerr.Simple(elaerr.ErrTxPayload, errors.New("v2 producer StakeUntil less than DPoSV2DepositCoinMinLockTime")), true
 		}
diff --git a/core/types/outputpayload/mapping.go b/core/types/outputpayload/mapping.go
index 6a1aee1e1..b0aa2eb3a 100644
--- a/core/types/outputpayload/mapping.go
+++ b/core/types/outputpayload/mapping.go
@@ -8,10 +8,10 @@ package outputpayload
 import (
 	"bytes"
 	"errors"
-	"github.com/elastos/Elastos.ELA/core/contract/program"
 	"io"
 
 	"github.com/elastos/Elastos.ELA/common"
+	"github.com/elastos/Elastos.ELA/core/contract/program"
 	"github.com/elastos/Elastos.ELA/crypto"
 )
 
@@ -92,7 +92,6 @@ func (m *Mapping) GetVersion() byte {
 }
 
 func (m *Mapping) Validate() error {
-	//todo
 	if len(m.OwnerKey) == crypto.NegativeBigLength {
 		pubKey, err := crypto.DecodePoint(m.OwnerKey)
 		if err != nil {
diff --git a/core/types/payload/crcproposal.go b/core/types/payload/crcproposal.go
index ae9332ac9..b8a184313 100644
--- a/core/types/payload/crcproposal.go
+++ b/core/types/payload/crcproposal.go
@@ -882,7 +882,7 @@ func (p *CRCProposal) DeserializeUnsignedUpgradeCode(r io.Reader, version byte)
 	if p.CategoryData, err = common.ReadVarString(r); err != nil {
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
-	if p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner"); err != nil {
+	if p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner"); err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
 	if err = p.DraftHash.Deserialize(r); err != nil {
@@ -904,7 +904,7 @@ func (p *CRCProposal) DeserializeUnSignedNormalOrELIP(r io.Reader, version byte)
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
 
-	p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
@@ -943,7 +943,7 @@ func (p *CRCProposal) DeserializeUnSignedChangeProposalOwner(r io.Reader, versio
 	if p.CategoryData, err = common.ReadVarString(r); err != nil {
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
-	if p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner"); err != nil {
+	if p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner"); err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
 	if err = p.DraftHash.Deserialize(r); err != nil {
@@ -961,7 +961,7 @@ func (p *CRCProposal) DeserializeUnSignedChangeProposalOwner(r io.Reader, versio
 	if err = p.NewRecipient.Deserialize(r); err != nil {
 		return errors.New("failed to deserialize Recipient")
 	}
-	if p.NewOwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner"); err != nil {
+	if p.NewOwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner"); err != nil {
 		return errors.New("failed to deserialize NewOwnerKey")
 	}
 	return nil
@@ -975,7 +975,7 @@ func (p *CRCProposal) DeserializeUnsignedRegisterSideChain(r io.Reader, version
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
 
-	p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
@@ -1006,7 +1006,7 @@ func (p *CRCProposal) DeserializeUnSignedCloseProposal(r io.Reader, version byte
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
 
-	p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
@@ -1035,7 +1035,7 @@ func (p *CRCProposal) DeserializeUnSignedChangeCustomIDFee(r io.Reader, version
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
 
-	p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
@@ -1065,7 +1065,7 @@ func (p *CRCProposal) DeserializeUnSignedReceivedCustomID(r io.Reader, version b
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
 
-	p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
@@ -1109,7 +1109,7 @@ func (p *CRCProposal) DeserializeUnSignedReservedCustomID(r io.Reader, version b
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
 
-	p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
@@ -1148,7 +1148,7 @@ func (p *CRCProposal) DeserializeUnSignedChangeSecretaryGeneral(r io.Reader, ver
 		return errors.New("[CRCProposal], Category data deserialize failed")
 	}
 
-	p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	p.OwnerKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
@@ -1572,7 +1572,7 @@ func (p *CRCProposalInfo) Deserialize(r io.Reader, version byte) error {
 		return errors.New("failed to deserialize CategoryData")
 	}
 
-	p.OwnerPublicKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	p.OwnerPublicKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
@@ -1644,7 +1644,7 @@ func (p *CRCProposalInfo) Deserialize(r io.Reader, version byte) error {
 		return errors.New("failed to deserialize Recipient")
 	}
 
-	if p.NewOwnerPublicKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner"); err != nil {
+	if p.NewOwnerPublicKey, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "owner"); err != nil {
 		return errors.New("failed to deserialize NewOwnerKey")
 	}
 
diff --git a/core/types/payload/crcproposaltracking.go b/core/types/payload/crcproposaltracking.go
index 5948718c1..51a147bc9 100644
--- a/core/types/payload/crcproposaltracking.go
+++ b/core/types/payload/crcproposaltracking.go
@@ -206,12 +206,12 @@ func (p *CRCProposalTracking) DeserializeUnSigned(r io.Reader, version byte) err
 	if p.Stage, err = common.ReadUint8(r); err != nil {
 		return errors.New("failed to deserialize Stage")
 	}
-	if p.OwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength,
+	if p.OwnerKey, err = common.ReadVarBytes(r, crypto.PublicKeyScriptLength,
 		"owner pubkey"); err != nil {
 		return errors.New("failed to deserialize OwnerKey")
 	}
 
-	if p.NewOwnerKey, err = common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength,
+	if p.NewOwnerKey, err = common.ReadVarBytes(r, crypto.PublicKeyScriptLength,
 		"new owner pubkey"); err != nil {
 		return errors.New("failed to deserialize NewOwnerKey")
 	}
diff --git a/core/types/payload/crcproposalwithdraw.go b/core/types/payload/crcproposalwithdraw.go
index 3a496cde8..bdc81a9da 100644
--- a/core/types/payload/crcproposalwithdraw.go
+++ b/core/types/payload/crcproposalwithdraw.go
@@ -85,7 +85,7 @@ func (p *CRCProposalWithdraw) Deserialize(r io.Reader, version byte) error {
 	if err != nil {
 		return err
 	}
-	p.Signature, err = common.ReadVarBytes(r, crypto.MaxSignatureScriptLength, "sign")
+	p.Signature, err = common.ReadVarBytes(r, crypto.NegativeBigLength, "sign")
 	if err != nil {
 		return errors.New("[CRCProposalWithdraw], Signature deserialize failed")
 	}
@@ -99,7 +99,7 @@ func (p *CRCProposalWithdraw) DeserializeUnsigned(r io.Reader,
 	if err = p.ProposalHash.Deserialize(r); err != nil {
 		return err
 	}
-	ownerPublicKey, err := common.ReadVarBytes(r, crypto.MaxMultiSignCodeLength, "owner")
+	ownerPublicKey, err := common.ReadVarBytes(r, crypto.NegativeBigLength, "owner")
 	if err != nil {
 		return err
 	}
diff --git a/crypto/crypto.go b/crypto/crypto.go
index 042e993a7..37521e0d6 100644
--- a/crypto/crypto.go
+++ b/crypto/crypto.go
@@ -12,12 +12,12 @@ import (
 	"crypto/sha256"
 	"errors"
 	"fmt"
-	"github.com/elastos/Elastos.ELA/core/contract/program"
 	"io"
 	"math/big"
 	"sort"
 
 	"github.com/elastos/Elastos.ELA/common"
+	"github.com/elastos/Elastos.ELA/core/contract/program"
 	"github.com/elastos/Elastos.ELA/crypto/ecies"
 )
 
diff --git a/servers/common.go b/servers/common.go
index 398194617..effc30dad 100644
--- a/servers/common.go
+++ b/servers/common.go
@@ -213,19 +213,19 @@ type SchnorrWithdrawFromSideChainInfo struct {
 }
 
 type ProducerInfo struct {
-	OwnerKey      string `json:"ownerkey"`
-	NodePublicKey string `json:"nodepublickey"`
-	NickName      string `json:"nickname"`
-	Url           string `json:"url"`
-	Location      uint64 `json:"location"`
-	NetAddress    string `json:"netaddress"`
-	StakeUntil    uint32 `json:"stakeuntil"`
-	Signature     string `json:"signature"`
+	OwnerPublicKey string `json:"ownerpublickey"`
+	NodePublicKey  string `json:"nodepublickey"`
+	NickName       string `json:"nickname"`
+	Url            string `json:"url"`
+	Location       uint64 `json:"location"`
+	NetAddress     string `json:"netaddress"`
+	StakeUntil     uint32 `json:"stakeuntil"`
+	Signature      string `json:"signature"`
 }
 
 type CancelProducerInfo struct {
-	OwnerKey  string `json:"ownerkey"`
-	Signature string `json:"signature"`
+	OwnerPublicKey string `json:"ownerpublickey"`
+	Signature      string `json:"signature"`
 }
 
 type InactiveArbitratorsInfo struct {
diff --git a/servers/interfaces.go b/servers/interfaces.go
index b9497c538..d725e5e7c 100644
--- a/servers/interfaces.go
+++ b/servers/interfaces.go
@@ -571,7 +571,7 @@ func GetProducerInfo(params Params) map[string]interface{} {
 	}
 
 	producerInfo := RPCProducerInfo{
-		OwnerKey:       hex.EncodeToString(p.Info().OwnerKey),
+		OwnerPublicKey: hex.EncodeToString(p.Info().OwnerKey),
 		NodePublicKey:  hex.EncodeToString(p.Info().NodePublicKey),
 		Nickname:       p.Info().NickName,
 		Url:            p.Info().Url,
@@ -2026,7 +2026,7 @@ func GetExistSideChainReturnDepositTransactions(param Params) map[string]interfa
 
 // single producer info
 type RPCProducerInfo struct {
-	OwnerKey       string `json:"ownerkey"`
+	OwnerPublicKey string `json:"ownerpublickey"`
 	NodePublicKey  string `json:"nodepublickey"`
 	Nickname       string `json:"nickname"`
 	Url            string `json:"url"`
@@ -2339,7 +2339,7 @@ func ListProducers(param Params) map[string]interface{} {
 		totalVotes += p.Votes()
 		totalDPoSV2Votes += common.Fixed64(p.GetTotalDPoSV2VoteRights())
 		producerInfo := RPCProducerInfo{
-			OwnerKey:       hex.EncodeToString(p.Info().OwnerKey),
+			OwnerPublicKey: hex.EncodeToString(p.Info().OwnerKey),
 			NodePublicKey:  hex.EncodeToString(p.Info().NodePublicKey),
 			Nickname:       p.Info().NickName,
 			Url:            p.Info().Url,
@@ -3186,7 +3186,7 @@ func getPayloadInfo(p interfaces.Payload, payloadVersion byte) PayloadInfo {
 	case *payload.Record:
 	case *payload.ProducerInfo:
 		obj := new(ProducerInfo)
-		obj.OwnerKey = common.BytesToHexString(object.OwnerKey)
+		obj.OwnerPublicKey = common.BytesToHexString(object.OwnerKey)
 		obj.NodePublicKey = common.BytesToHexString(object.NodePublicKey)
 		obj.NickName = object.NickName
 		obj.Url = object.Url
@@ -3197,7 +3197,7 @@ func getPayloadInfo(p interfaces.Payload, payloadVersion byte) PayloadInfo {
 		return obj
 	case *payload.ProcessProducer:
 		obj := new(CancelProducerInfo)
-		obj.OwnerKey = common.BytesToHexString(object.OwnerKey)
+		obj.OwnerPublicKey = common.BytesToHexString(object.OwnerKey)
 		obj.Signature = common.BytesToHexString(object.Signature)
 		return obj
 	case *payload.InactiveArbitrators: