diff --git a/glide.yaml b/glide.yaml
index bea7d17..e38b6ec 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -2,3 +2,4 @@ package: git.loafle.net/overflow/probe_gateway_rpc
 import:
 - package: git.loafle.net/commons/server-go
 - package: git.loafle.net/commons/configuration-go
+- package: git.loafle.net/overflow/external-go
diff --git a/server/server-handler.go b/server/server-handler.go
index 4212858..0cd765b 100644
--- a/server/server-handler.go
+++ b/server/server-handler.go
@@ -2,7 +2,7 @@ package server
 
 import (
 	cs "git.loafle.net/commons/server-go"
-	oge "git.loafle.net/overflow/gateway/external"
+	oe "git.loafle.net/overflow/external-go"
 	ogrs "git.loafle.net/overflow/gateway_rpc/server"
 	"git.loafle.net/overflow/probe_gateway_rpc/config"
 	"git.loafle.net/overflow/probe_gateway_rpc/subscribe"
@@ -22,7 +22,7 @@ func (sh *ServerHandlers) Init(serverCtx cs.ServerCtx) error {
 	if err := sh.ServerHandlers.Init(serverCtx); nil != err {
 		return err
 	}
-	oge.InitPackage(sh.Config.External)
+	oe.InitPackage(sh.Config.External)
 	subscribe.InitPackage()
 
 	return nil
@@ -33,7 +33,7 @@ func (sh *ServerHandlers) OnStart(serverCtx cs.ServerCtx) error {
 		return err
 	}
 
-	oge.StartPackage(sh.Config.External)
+	oe.StartPackage(sh.Config.External)
 	subscribe.StartPackage()
 
 	return nil
@@ -41,14 +41,14 @@ func (sh *ServerHandlers) OnStart(serverCtx cs.ServerCtx) error {
 
 func (sh *ServerHandlers) OnStop(serverCtx cs.ServerCtx) {
 	subscribe.StopPackage()
-	oge.StopPackage(sh.Config.External)
+	oe.StopPackage(sh.Config.External)
 
 	sh.ServerHandlers.OnStop(serverCtx)
 }
 
 func (sh *ServerHandlers) Destroy(serverCtx cs.ServerCtx) {
 	subscribe.DestroyPackage()
-	oge.DestroyPackage(sh.Config.External)
+	oe.DestroyPackage(sh.Config.External)
 
 	sh.ServerHandlers.Destroy(serverCtx)
 }
diff --git a/servlet/auth-servlet.go b/servlet/auth-servlet.go
index 78dd06c..ef50a4e 100644
--- a/servlet/auth-servlet.go
+++ b/servlet/auth-servlet.go
@@ -14,11 +14,12 @@ import (
 	occn "git.loafle.net/overflow/commons-go/config/noauthprobe"
 	ocmm "git.loafle.net/overflow/commons-go/model/meta"
 	ocmn "git.loafle.net/overflow/commons-go/model/noauthprobe"
+	oe "git.loafle.net/overflow/external-go"
+	oeg "git.loafle.net/overflow/external-go/grpc"
 	og "git.loafle.net/overflow/gateway"
-	"git.loafle.net/overflow/gateway/external/grpc"
 	ogs "git.loafle.net/overflow/gateway/subscribe"
 	ogrs "git.loafle.net/overflow/gateway_rpc/servlet"
-	"git.loafle.net/overflow/probe_gateway_rpc/subscribe"
+	opgrs "git.loafle.net/overflow/probe_gateway_rpc/subscribe"
 )
 
 type AuthServlet interface {
@@ -42,7 +43,7 @@ func (s *AuthServlets) OnStart(serverCtx server.ServerCtx) error {
 		return err
 	}
 
-	subscribeChan, err := subscribe.Subscriber.Subscribe(occn.HTTPEntry_Auth)
+	subscribeChan, err := opgrs.Subscriber.Subscribe(occn.HTTPEntry_Auth)
 	if nil != err {
 		return err
 	}
@@ -52,7 +53,7 @@ func (s *AuthServlets) OnStart(serverCtx server.ServerCtx) error {
 }
 
 func (s *AuthServlets) OnStop(serverCtx server.ServerCtx) {
-	if err := subscribe.Subscriber.Unsubscribe(occn.HTTPEntry_Auth); nil != err {
+	if err := opgrs.Subscriber.Unsubscribe(occn.HTTPEntry_Auth); nil != err {
 		logging.Logger().Warn(err)
 	}
 
@@ -85,7 +86,7 @@ func (s *AuthServlets) Handshake(servletCtx server.ServletCtx, ctx *fasthttp.Req
 			return nil, fmt.Errorf("Base64 Encoding Error: %s", err.Error())
 		}
 		grpcCTX := context.Background()
-		r, err := grpc.Exec(grpcCTX, "NoAuthProbeService.regist", string(rJSON))
+		r, err := oeg.Exec(grpcCTX, "NoAuthProbeService.regist", string(rJSON))
 		if nil != err {
 			return nil, fmt.Errorf("grpc call Error: %s", err.Error())
 		}
@@ -101,7 +102,7 @@ func (s *AuthServlets) Handshake(servletCtx server.ServletCtx, ctx *fasthttp.Req
 		extHeader.Add(occn.HTTPResponseHeaderKey_NoAuthProbe_Method_Param, nap.TempProbeKey)
 
 		servletCtx.SetAttribute(og.SessionIDKey, nap.TempProbeKey)
-		servletCtx.SetAttribute(og.SessionClientTypeKey, og.PROBE)
+		servletCtx.SetAttribute(og.SessionClientTypeKey, oe.PROBE)
 		servletCtx.SetAttribute(og.SessionTargetIDKey, nap.TempProbeKey)
 
 		return extHeader, nil
@@ -113,7 +114,7 @@ func (s *AuthServlets) Handshake(servletCtx server.ServletCtx, ctx *fasthttp.Req
 		tempProbeKey := string(bTempProbeKey)
 
 		grpcCTX := context.Background()
-		r, err := grpc.Exec(grpcCTX, "NoAuthProbeService.readByTempProbeKey", tempProbeKey)
+		r, err := oeg.Exec(grpcCTX, "NoAuthProbeService.readByTempProbeKey", tempProbeKey)
 		if nil != err {
 			return nil, fmt.Errorf("grpc result error: %s", err.Error())
 		}
@@ -139,7 +140,7 @@ func (s *AuthServlets) Handshake(servletCtx server.ServletCtx, ctx *fasthttp.Req
 		}
 
 		servletCtx.SetAttribute(og.SessionIDKey, tempProbeKey)
-		servletCtx.SetAttribute(og.SessionClientTypeKey, og.PROBE)
+		servletCtx.SetAttribute(og.SessionClientTypeKey, oe.PROBE)
 		servletCtx.SetAttribute(og.SessionTargetIDKey, tempProbeKey)
 
 		return extHeader, nil
@@ -155,7 +156,7 @@ func (s *AuthServlets) OnConnect(servletCtx server.ServletCtx, conn socket.Conn)
 	_tempProbeKey := servletCtx.GetAttribute(og.SessionIDKey)
 	if nil != _tempProbeKey {
 		grpcCTX := context.Background()
-		_, err := grpc.Exec(grpcCTX, "NoAuthProbeService.onConnect", _tempProbeKey.(string), conn.RemoteAddr().String())
+		_, err := oeg.Exec(grpcCTX, "NoAuthProbeService.onConnect", _tempProbeKey.(string), conn.RemoteAddr().String())
 		if nil != err {
 			logging.Logger().Errorf("onConnect error %v", err)
 		}
@@ -168,7 +169,7 @@ func (s *AuthServlets) OnDisconnect(servletCtx server.ServletCtx) {
 	_tempProbeKey := servletCtx.GetAttribute(og.SessionIDKey)
 	if nil != _tempProbeKey {
 		grpcCTX := context.Background()
-		_, err := grpc.Exec(grpcCTX, "NoAuthProbeService.onDisconnect", _tempProbeKey.(string))
+		_, err := oeg.Exec(grpcCTX, "NoAuthProbeService.onDisconnect", _tempProbeKey.(string))
 		if nil != err {
 			logging.Logger().Errorf("onDisconnect error %v", err)
 		}
diff --git a/servlet/probe-servlet.go b/servlet/probe-servlet.go
index 3003f2f..42177e0 100644
--- a/servlet/probe-servlet.go
+++ b/servlet/probe-servlet.go
@@ -12,11 +12,12 @@ import (
 	"git.loafle.net/commons/server-go/socket"
 	occp "git.loafle.net/overflow/commons-go/config/probe"
 	ocmp "git.loafle.net/overflow/commons-go/model/probe"
+	oe "git.loafle.net/overflow/external-go"
+	oeg "git.loafle.net/overflow/external-go/grpc"
 	og "git.loafle.net/overflow/gateway"
-	"git.loafle.net/overflow/gateway/external/grpc"
 	ogs "git.loafle.net/overflow/gateway/subscribe"
 	ogrs "git.loafle.net/overflow/gateway_rpc/servlet"
-	"git.loafle.net/overflow/probe_gateway_rpc/subscribe"
+	opgrs "git.loafle.net/overflow/probe_gateway_rpc/subscribe"
 )
 
 type ProbeServlet interface {
@@ -40,7 +41,7 @@ func (s *ProbeServlets) OnStart(serverCtx server.ServerCtx) error {
 		return err
 	}
 
-	subscribeChan, err := subscribe.Subscriber.Subscribe(occp.HTTPEntry_Probe)
+	subscribeChan, err := opgrs.Subscriber.Subscribe(occp.HTTPEntry_Probe)
 	if nil != err {
 		return err
 	}
@@ -50,7 +51,7 @@ func (s *ProbeServlets) OnStart(serverCtx server.ServerCtx) error {
 }
 
 func (s *ProbeServlets) OnStop(serverCtx server.ServerCtx) {
-	if err := subscribe.Subscriber.Unsubscribe(occp.HTTPEntry_Probe); nil != err {
+	if err := opgrs.Subscriber.Unsubscribe(occp.HTTPEntry_Probe); nil != err {
 		logging.Logger().Warn(err)
 	}
 
@@ -84,7 +85,7 @@ func (s *ProbeServlets) Handshake(servletCtx server.ServletCtx, ctx *fasthttp.Re
 	probeKey := string(bProbeKey)
 
 	grpcCTX := context.Background()
-	r, err := grpc.Exec(grpcCTX, "ProbeService.readByProbeKey", probeKey)
+	r, err := oeg.Exec(grpcCTX, "ProbeService.readByProbeKey", probeKey)
 	if nil != err {
 		return nil, fmt.Errorf("grpc call Error: %s", err.Error())
 	}
@@ -100,7 +101,7 @@ func (s *ProbeServlets) Handshake(servletCtx server.ServletCtx, ctx *fasthttp.Re
 	extHeader.Add(occp.HTTPResponseHeaderKey_Probe_Method_Param, probe.EncryptionKey)
 
 	servletCtx.SetAttribute(og.SessionIDKey, probeKey)
-	servletCtx.SetAttribute(og.SessionClientTypeKey, og.PROBE)
+	servletCtx.SetAttribute(og.SessionClientTypeKey, oe.PROBE)
 	servletCtx.SetAttribute(og.SessionTargetIDKey, probeKey)
 
 	return extHeader, nil
@@ -112,7 +113,7 @@ func (s *ProbeServlets) OnConnect(servletCtx server.ServletCtx, conn socket.Conn
 	_probeKey := servletCtx.GetAttribute(og.SessionIDKey)
 	if nil != _probeKey {
 		grpcCTX := context.Background()
-		_, err := grpc.Exec(grpcCTX, "ProbeService.onConnect", _probeKey.(string), conn.RemoteAddr().String())
+		_, err := oeg.Exec(grpcCTX, "ProbeService.onConnect", _probeKey.(string), conn.RemoteAddr().String())
 		if nil != err {
 			logging.Logger().Errorf("onConnect error %v", err)
 		}
@@ -125,7 +126,7 @@ func (s *ProbeServlets) OnDisconnect(servletCtx server.ServletCtx) {
 	_probeKey := servletCtx.GetAttribute(og.SessionIDKey)
 	if nil != _probeKey {
 		grpcCTX := context.Background()
-		_, err := grpc.Exec(grpcCTX, "ProbeService.onDisconnect", _probeKey.(string))
+		_, err := oeg.Exec(grpcCTX, "ProbeService.onDisconnect", _probeKey.(string))
 		if nil != err {
 			logging.Logger().Errorf("onDisconnect error %v", err)
 		}
diff --git a/subscribe/subscribe.go b/subscribe/subscribe.go
index 1ea2ed8..91044bd 100644
--- a/subscribe/subscribe.go
+++ b/subscribe/subscribe.go
@@ -2,7 +2,7 @@ package subscribe
 
 import (
 	"git.loafle.net/commons/logging-go"
-	oger "git.loafle.net/overflow/gateway/external/redis"
+	oer "git.loafle.net/overflow/external-go/redis"
 	ogsr "git.loafle.net/overflow/gateway/subscribe/redis"
 )
 
@@ -10,7 +10,7 @@ var Subscriber *ogsr.Subscribers
 
 func InitPackage() {
 	Subscriber = &ogsr.Subscribers{}
-	Subscriber.Conn = oger.Pool.Get()
+	Subscriber.Conn = oer.Pool.Get()
 	if err := Subscriber.Start(); nil != err {
 		logging.Logger().Panic(err)
 	}