diff --git a/gemmill/angine.go b/gemmill/angine.go
index 33bf603..7b86f18 100644
--- a/gemmill/angine.go
+++ b/gemmill/angine.go
@@ -150,7 +150,7 @@ func NewAngine(app types.Application, tune *Tunes) (angine *Angine, err error) {
 
 	logger, err := getLogger(conf)
 	if err != nil {
-		err  = fmt.Errorf("failed to get logger: %v", err)
+		err = fmt.Errorf("failed to get logger: %v", err)
 		return nil, err
 	}
 	log.SetLog(logger)
@@ -163,13 +163,13 @@ func NewAngine(app types.Application, tune *Tunes) (angine *Angine, err error) {
 	crypto.NodeInit(crypto.CryptoType)
 	privValidator, err := types.LoadPrivValidator(conf.GetString("priv_validator_file"))
 	if err != nil {
-		err  = fmt.Errorf("LoadPrivValidator error: %v", err)
+		err = fmt.Errorf("LoadPrivValidator error: %v", err)
 		return nil, err
 	}
 	refuseList = refuse_list.NewRefuseList(dbBackend, dbDir)
 	p2psw, err := prepareP2P(conf, genesis, privValidator, refuseList)
 	if err != nil {
-		err  = fmt.Errorf("prepare p2p error: %v", err)
+		err = fmt.Errorf("prepare p2p error: %v", err)
 		return nil, err
 	}
 
@@ -231,7 +231,7 @@ func (a *Angine) OnRecvExchangeData(data *p2p.ExchangeData) error {
 		a.p2pSwitch.GetExchangeData().GenesisJSON = data.GenesisJSON
 		if err = a.buildState(otherGenesis); err != nil {
 			// TODO log err
-			log.Warn("build state err:",  zap.Error(err))
+			log.Warn("build state err:", zap.Error(err))
 			return err
 		}
 		if a.stateMachine == nil {
@@ -344,7 +344,7 @@ func (ang *Angine) assembleStateMachine(stateM *state.State) {
 	var addrBook *p2p.AddrBook
 	if conf.GetBool("pex_reactor") {
 		addrBook = p2p.NewAddrBook(conf.GetString("addrbook_file"), conf.GetBool("addrbook_strict"))
-		pexReactor := p2p.NewPEXReactor(addrBook)
+		pexReactor := p2p.NewPEXReactor(addrBook, conf.GetString("p2p_proxy_addr"))
 		ang.p2pSwitch.AddReactor("PEX", pexReactor)
 	}
 
@@ -1131,11 +1131,12 @@ func prepareP2P(conf *viper.Viper, genesis *types.GenesisDoc, privValidator *typ
 		return nil, errors.Wrap(err, "prepareP2P")
 	}
 	nodeInfo := &p2p.NodeInfo{
-		PubKey:      privValidator.GetPubKey(),
-		SigndPubKey: conf.GetString("signbyCA"),
-		Moniker:     conf.GetString("moniker"),
-		ListenAddr:  defaultListener.ExternalAddress().String(),
-		Version:     version,
+		PubKey:       privValidator.GetPubKey(),
+		SigndPubKey:  conf.GetString("signbyCA"),
+		Moniker:      conf.GetString("moniker"),
+		ListenAddr:   defaultListener.ExternalAddress().String(),
+		P2pProxyAddr: conf.GetString("p2p_proxy_addr"),
+		Version:      version,
 	}
 	privKey := privValidator.GetPrivKey()
 	p2psw.AddListener(defaultListener)
diff --git a/gemmill/p2p/pex_reactor.go b/gemmill/p2p/pex_reactor.go
index bd61743..9795773 100644
--- a/gemmill/p2p/pex_reactor.go
+++ b/gemmill/p2p/pex_reactor.go
@@ -19,6 +19,7 @@ import (
 	"errors"
 	"fmt"
 	"math/rand"
+	"strings"
 	"time"
 
 	"github.com/dappledger/AnnChain/gemmill/go-wire"
@@ -45,12 +46,22 @@ type PEXReactor struct {
 	BaseReactor
 
 	book *AddrBook
+	//
+	localP2pProxyAddr *NetAddress
 }
 
-func NewPEXReactor(book *AddrBook) *PEXReactor {
+func NewPEXReactor(book *AddrBook, localProxy string) *PEXReactor {
 	pexR := &PEXReactor{
 		book: book,
 	}
+	log.Infof("NewPEXReactor(%s)",localProxy)
+	pexR.localP2pProxyAddr = &NetAddress{}
+	if localProxy != "" {
+		addr, _ := NewNetAddressString(localProxy)
+		if addr != nil {
+			pexR.localP2pProxyAddr = addr
+		}
+	}
 	pexR.BaseReactor = *NewBaseReactor("PEXReactor", pexR)
 	return pexR
 }
@@ -78,6 +89,15 @@ func (pexR *PEXReactor) GetChannels() []*ChannelDescriptor {
 
 // Implements Reactor
 func (pexR *PEXReactor) AddPeer(peer *Peer) {
+	if strings.TrimSpace(peer.P2pProxyAddr) != "" {
+		//如果用相同的代理，那么就是同一套内网系统，可以直接走原来的流程;否则，走proxy流程.
+		netAddr, _ := NewNetAddressString(peer.P2pProxyAddr)
+		if !bytes.Equal(pexR.localP2pProxyAddr.IP, netAddr.IP) {
+			pexR.book.AddAddress(netAddr, netAddr)
+			log.Debugf("AddPeer(%s)",netAddr.String())
+			return
+		}
+	}
 	// Add the peer to the address book
 	netAddr, _ := NewNetAddressString(peer.ListenAddr)
 	if peer.IsOutbound() {
diff --git a/gemmill/p2p/types.go b/gemmill/p2p/types.go
index 3d6d301..b006b48 100644
--- a/gemmill/p2p/types.go
+++ b/gemmill/p2p/types.go
@@ -26,14 +26,15 @@ import (
 const maxNodeInfoSize = 10240 // 10Kb
 
 type NodeInfo struct {
-	PubKey      crypto.PubKey `json:"pub_key"`
-	SigndPubKey string        `json:"signd_pub_key"`
-	Moniker     string        `json:"moniker"`
-	Network     string        `json:"network"`
-	RemoteAddr  string        `json:"remote_addr"`
-	ListenAddr  string        `json:"listen_addr"`
-	Version     string        `json:"version"` // major.minor.revision
-	Other       []string      `json:"other"`   // other application specific data
+	PubKey       crypto.PubKey `json:"pub_key"`
+	SigndPubKey  string        `json:"signd_pub_key"`
+	Moniker      string        `json:"moniker"`
+	Network      string        `json:"network"`
+	RemoteAddr   string        `json:"remote_addr"`
+	ListenAddr   string        `json:"listen_addr"`
+	P2pProxyAddr string        `json:"p2p_proxy_addr"`
+	Version      string        `json:"version"` // major.minor.revision
+	Other        []string      `json:"other"`   // other application specific data
 }
 
 type ExchangeData struct {