diff --git a/cluster/support/failover_cluster_invoker.go b/cluster/support/failover_cluster_invoker.go
index 39c3d28aa8b9437442700ff159e0cf46c0ad4c71..22c537acb67ebf70973c36dffc057015afe9e47c 100644
--- a/cluster/support/failover_cluster_invoker.go
+++ b/cluster/support/failover_cluster_invoker.go
@@ -80,6 +80,6 @@ func (invoker *failoverClusterInvoker) Invoke(invocation protocol.Invocation) pr
 	ip, _ := gxnet.GetLocalIP()
 	return &protocol.RPCResult{Err: jerrors.Errorf("Failed to invoke the method %v in the service %v . Tried %v times of "+
 		"the providers %v (%v/%v)from the registry %v on the consumer %v using the dubbo version %v. Last error is %v.",
-		methodName, invocation, invoker.GetUrl().Service(), retries, providers, len(providers), len(invokers), invoker.directory.GetUrl(), ip, version.Version, result.Error().Error(),
+		methodName, invocation, invoker.GetUrl().Service(), retries, providers, len(providers), len(invokers), invoker.directory.GetUrl(), ip, version.Version, result.Error(),
 	)}
 }
diff --git a/common/constant/default.go b/common/constant/default.go
index 3b2a654eb4c4edf145a6b73d1de2ded0dfc7a169..bfcf304805deecd666b92b03f0de231448fceba4 100644
--- a/common/constant/default.go
+++ b/common/constant/default.go
@@ -9,7 +9,7 @@ const (
 	DEFAULT_LOADBALANCE = "random"
 	DEFAULT_RETRIES     = 2
 	DEFAULT_PROTOCOL    = "dubbo"
-	DEFAULT_VERSION     = "0.0"
+	DEFAULT_VERSION     = ""
 	DEFAULT_REG_TIMEOUT = "10s"
 )
 
diff --git a/common/proxy/proxy.go b/common/proxy/proxy.go
index c9a89d5a8e84609a22a8e6fec921762fe9f68d0b..65b0fbf13a7401a422a1bea624bb658bae43b514 100644
--- a/common/proxy/proxy.go
+++ b/common/proxy/proxy.go
@@ -62,6 +62,7 @@ func (p *Proxy) Implement(v config.RPCService) {
 			result := p.invoke.Invoke(inv)
 			var err error
 			err = result.Error()
+			log.Info("[makeDubboCallProxy] err: %v", err)
 			return []reflect.Value{reflect.ValueOf(&err).Elem()}
 		}
 	}
diff --git a/config/support/provider_config.yml b/config/support/provider_config.yml
index 48544e9dc447e413767103b5e09eac8378a09cbc..f6a4c593b04e2cda57dd422fa8f8ccfbf27272fa 100644
--- a/config/support/provider_config.yml
+++ b/config/support/provider_config.yml
@@ -51,6 +51,7 @@ services:
 
 protocols:
     -   name: "dubbo"
+        # while using dubbo protocol, ip cannot is 127.0.0.1, because client of java-dubbo will get 'connection refuse'
         ip : "192.168.56.1"
         port : 20000
     -   name: "jsonrpc"
diff --git a/config/url.go b/config/url.go
index 3900e6d032d2ba71fc3f729d77219a338002169b..0d46f621ed8f5a9832dd8ee0a63bb15d65dd9910 100644
--- a/config/url.go
+++ b/config/url.go
@@ -216,8 +216,8 @@ func (c URL) String() string {
 
 func (c URL) Key() string {
 	buildString := fmt.Sprintf(
-		"%s://%s:%s@%s:%s%s?group=%s&version=%s",
-		c.Protocol, c.Username, c.Password, c.Ip, c.Port, c.Path, c.GetParam(constant.GROUP_KEY, ""), c.GetParam(constant.VERSION_KEY, constant.DEFAULT_VERSION))
+		"%s://%s:%s@%s:%s/%s?group=%s&version=%s",
+		c.Protocol, c.Username, c.Password, c.Ip, c.Port, c.GetParam(constant.INTERFACE_KEY, strings.TrimPrefix(c.Path, "/")), c.GetParam(constant.GROUP_KEY, ""), c.GetParam(constant.VERSION_KEY, constant.DEFAULT_VERSION))
 
 	return buildString
 }
diff --git a/examples/dubbo/go-client/app/client.go b/examples/dubbo/go-client/app/client.go
index 0cd19e411706d4810b4cc3e31a1f8d5d530a7118..1b29bc00d8798ef70f1dbf9f46aa2d31c97f3c87 100644
--- a/examples/dubbo/go-client/app/client.go
+++ b/examples/dubbo/go-client/app/client.go
@@ -1,10 +1,9 @@
 package main
 
 import (
+	"context"
 	"fmt"
-	"github.com/dubbo/dubbo-go/dubbo"
-	"github.com/dubbo/dubbo-go/plugins"
-	"github.com/dubbo/dubbo-go/registry/zookeeper"
+	"github.com/dubbogo/hessian2"
 	"net/http"
 	_ "net/http/pprof"
 	"os"
@@ -18,132 +17,62 @@ import (
 	"github.com/AlexStocks/goext/log"
 	"github.com/AlexStocks/goext/net"
 	log "github.com/AlexStocks/log4go"
-	jerrors "github.com/juju/errors"
 )
 
 import (
-	"github.com/dubbo/dubbo-go/client/invoker"
-	"github.com/dubbo/dubbo-go/examples"
-	"github.com/dubbo/dubbo-go/public"
-	"github.com/dubbo/dubbo-go/registry"
+	_ "github.com/dubbo/dubbo-go/protocol/dubbo"
+	_ "github.com/dubbo/dubbo-go/registry/protocol"
+
+	_ "github.com/dubbo/dubbo-go/filter/imp"
+
+	_ "github.com/dubbo/dubbo-go/cluster/loadbalance"
+	_ "github.com/dubbo/dubbo-go/cluster/support"
+	_ "github.com/dubbo/dubbo-go/registry/zookeeper"
+
+	"github.com/dubbo/dubbo-go/config/support"
 )
 
 var (
 	survivalTimeout int = 10e9
-	clientInvoker   *invoker.Invoker
 )
 
+// they are necessary:
+// 		export CONF_CONSUMER_FILE_PATH="xxx"
+// 		export APP_LOG_CONF_FILE="xxx"
 func main() {
 
-	clientConfig := examples.InitClientConfig()
-	initProfiling(clientConfig)
-	initClient(clientConfig)
+	hessian.RegisterJavaEnum(Gender(MAN))
+	hessian.RegisterJavaEnum(Gender(WOMAN))
+	hessian.RegisterPOJO(&User{})
 
-	time.Sleep(3e9)
+	conMap, _ := support.Load()
+	if conMap == nil {
+		panic("conMap is nil")
+	}
 
-	gxlog.CInfo("\n\n\nstart to test dubbo")
-	testDubborpc(clientConfig, "A003")
+	initProfiling()
 
 	time.Sleep(3e9)
 
-	initSignal()
-}
-
-func initClient(clientConfig *examples.ClientConfig) {
-	var (
-		err       error
-		codecType public.CodecType
-	)
-
-	if clientConfig == nil {
-		panic(fmt.Sprintf("clientConfig is nil"))
-		return
-	}
-
-	// registry
-	clientRegistry, err := plugins.PluggableRegistries[clientConfig.Registry](
-		registry.WithDubboType(registry.CONSUMER),
-		registry.WithApplicationConf(clientConfig.Application_Config),
-		zookeeper.WithRegistryConf(clientConfig.ZkRegistryConfig),
-	)
-	if err != nil {
-		panic(fmt.Sprintf("fail to init registry.Registy, err:%s", jerrors.ErrorStack(err)))
-		return
-	}
-
-	// consumer
-	clientConfig.RequestTimeout, err = time.ParseDuration(clientConfig.Request_Timeout)
-	if err != nil {
-		panic(fmt.Sprintf("time.ParseDuration(Request_Timeout{%#v}) = error{%v}",
-			clientConfig.Request_Timeout, err))
-		return
-	}
-	clientConfig.ConnectTimeout, err = time.ParseDuration(clientConfig.Connect_Timeout)
+	gxlog.CInfo("\n\n\nstart to test dubbo")
+	user := &User{}
+	err := conMap["com.ikurento.user.UserProvider"].GetRPCService().(*UserProvider).GetUser(context.TODO(), []interface{}{"A003"}, user)
 	if err != nil {
-		panic(fmt.Sprintf("time.ParseDuration(Connect_Timeout{%#v}) = error{%v}",
-			clientConfig.Connect_Timeout, err))
-		return
+		panic(err)
 	}
+	gxlog.CInfo("response result: %v", user)
 
-	for idx := range clientConfig.ServiceConfigList {
-		codecType = public.GetCodecType(clientConfig.ServiceConfigList[idx].Protocol())
-		if codecType == public.CODECTYPE_UNKNOWN {
-			panic(fmt.Sprintf("unknown protocol %s", clientConfig.ServiceConfigList[idx].Protocol()))
-		}
-	}
-
-	for _, service := range clientConfig.ServiceConfigList {
-		err = clientRegistry.Register(service)
-		if err != nil {
-			panic(fmt.Sprintf("registry.Register(service{%#v}) = error{%v}", service, jerrors.ErrorStack(err)))
-			return
-		}
-	}
-
-	//read the client lb config in config.yml
-	configClientLB := plugins.PluggableLoadbalance[clientConfig.ClientLoadBalance]()
-
-	//init dubbo rpc client & init invoker
-	var cltD *dubbo.Client
-
-	cltD, err = dubbo.NewClient(&dubbo.ClientConfig{
-		PoolSize:        64,
-		PoolTTL:         600,
-		ConnectionNum:   2, // 不能太大
-		FailFastTimeout: "5s",
-		SessionTimeout:  "20s",
-		HeartbeatPeriod: "5s",
-		GettySessionParam: dubbo.GettySessionParam{
-			CompressEncoding: false, // 必须false
-			TcpNoDelay:       true,
-			KeepAlivePeriod:  "120s",
-			TcpRBufSize:      262144,
-			TcpKeepAlive:     true,
-			TcpWBufSize:      65536,
-			PkgRQSize:        1024,
-			PkgWQSize:        512,
-			TcpReadTimeout:   "1s",
-			TcpWriteTimeout:  "5s",
-			WaitTimeout:      "1s",
-			MaxMsgLen:        1024,
-			SessionName:      "client",
-		},
-	})
+	gxlog.CInfo("\n\n\nstart to test dubbo illegal method")
+	err = conMap["com.ikurento.user.UserProvider"].GetRPCService().(*UserProvider).GetUser1(context.TODO(), []interface{}{"A003"}, user)
 	if err != nil {
-		log.Error("hessian.NewClient(conf) = error:%s", jerrors.ErrorStack(err))
-		return
+		panic(err)
 	}
-	clientInvoker, err = invoker.NewInvoker(clientRegistry,
-		invoker.WithDubboClient(cltD),
-		invoker.WithLBSelector(configClientLB))
-}
 
-func uninitClient() {
-	log.Close()
+	initSignal()
 }
 
-func initProfiling(clientConfig *examples.ClientConfig) {
-	if !clientConfig.Pprof_Enabled {
+func initProfiling() {
+	if !support.GetProviderConfig().Pprof_Enabled {
 		return
 	}
 	const (
@@ -159,7 +88,7 @@ func initProfiling(clientConfig *examples.ClientConfig) {
 	if err != nil {
 		panic("cat not get local ip!")
 	}
-	addr = ip + ":" + strconv.Itoa(clientConfig.Pprof_Port)
+	addr = ip + ":" + strconv.Itoa(support.GetProviderConfig().Pprof_Port)
 	log.Info("App Profiling startup on address{%v}", addr+PprofPath)
 
 	go func() {
@@ -177,7 +106,7 @@ func initSignal() {
 		log.Info("get signal %s", sig.String())
 		switch sig {
 		case syscall.SIGHUP:
-		// reload()
+			// reload()
 		default:
 			go time.AfterFunc(time.Duration(survivalTimeout)*time.Second, func() {
 				log.Warn("app exit now by force...")
@@ -185,7 +114,6 @@ func initSignal() {
 			})
 
 			// 要么fastFailTimeout时间内执行完毕下面的逻辑然后程序退出，要么执行上面的超时函数程序强行退出
-			uninitClient()
 			fmt.Println("app exit now...")
 			return
 		}
diff --git a/examples/dubbo/go-client/app/test.go b/examples/dubbo/go-client/app/test.go
deleted file mode 100644
index bea2d95d9af2a46d5e60a2ec540b685e1cc2289d..0000000000000000000000000000000000000000
--- a/examples/dubbo/go-client/app/test.go
+++ /dev/null
@@ -1,59 +0,0 @@
-package main
-
-import (
-	"fmt"
-	_ "net/http/pprof"
-)
-
-import (
-	// "github.com/AlexStocks/goext/log"
-	log "github.com/AlexStocks/log4go"
-	"github.com/dubbogo/hessian2"
-	jerrors "github.com/juju/errors"
-)
-
-import (
-	"github.com/dubbo/dubbo-go/dubbo"
-	"github.com/dubbo/dubbo-go/examples"
-	"github.com/dubbo/dubbo-go/public"
-)
-
-func testDubborpc(clientConfig *examples.ClientConfig, userKey string) {
-	var (
-		err        error
-		svc        string
-		method     string
-		serviceIdx int
-		user       *DubboUser
-	)
-	serviceIdx = -1
-	svc = "com.ikurento.user.UserProvider"
-	for i := range clientConfig.ServiceConfigList {
-		if clientConfig.ServiceConfigList[i].Service() == svc && clientConfig.ServiceConfigList[i].Protocol() == public.CODECTYPE_DUBBO.String() {
-			serviceIdx = i
-			break
-		}
-	}
-	if serviceIdx == -1 {
-		panic(fmt.Sprintf("can not find service in config service list:%#v", clientConfig.ServiceConfigList))
-	}
-
-	// Create request
-	method = string("GetUser")
-
-	// registry pojo
-	hessian.RegisterJavaEnum(Gender(MAN))
-	hessian.RegisterJavaEnum(Gender(WOMAN))
-	hessian.RegisterPOJO(&DubboUser{})
-
-	user = new(DubboUser)
-	defer clientInvoker.DubboClient.Close()
-	err = clientInvoker.DubboCall(1, clientConfig.ServiceConfigList[serviceIdx], method, []interface{}{userKey}, user, dubbo.WithCallRequestTimeout(10e9), dubbo.WithCallResponseTimeout(10e9), dubbo.WithCallSerialID(dubbo.S_Dubbo))
-	// Call service
-	if err != nil {
-		log.Error("client.Call() return error:%+v", jerrors.ErrorStack(err))
-		return
-	}
-
-	log.Info("response result:%s", user)
-}
diff --git a/examples/dubbo/go-client/app/user.go b/examples/dubbo/go-client/app/user.go
index bc2212f532e9e4d349d92df6fe55d2432931b07a..a0f1d0ae8b4fdc3b69c300651ad27aa0fdfcb131 100644
--- a/examples/dubbo/go-client/app/user.go
+++ b/examples/dubbo/go-client/app/user.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"strconv"
 	"time"
@@ -10,8 +11,16 @@ import (
 	"github.com/dubbogo/hessian2"
 )
 
+import (
+	"github.com/dubbo/dubbo-go/config/support"
+)
+
 type Gender hessian.JavaEnum
 
+func init() {
+	support.SetConService(new(UserProvider))
+}
+
 const (
 	MAN hessian.JavaEnum = iota
 	WOMAN
@@ -49,7 +58,8 @@ func (g Gender) EnumValue(s string) hessian.JavaEnum {
 	return hessian.InvalidJavaEnum
 }
 
-type DubboUser struct {
+type User struct {
+	// !!! Cannot define lowercase names of variable
 	Id   string
 	Name string
 	Age  int32
@@ -57,13 +67,26 @@ type DubboUser struct {
 	Sex  Gender // 注意此处，java enum Object <--> go string
 }
 
-func (u DubboUser) String() string {
+func (u User) String() string {
 	return fmt.Sprintf(
 		"User{Id:%s, Name:%s, Age:%d, Time:%s, Sex:%s}",
 		u.Id, u.Name, u.Age, u.Time, u.Sex,
 	)
 }
 
-func (DubboUser) JavaClassName() string {
+func (User) JavaClassName() string {
 	return "com.ikurento.user.User"
 }
+
+type UserProvider struct {
+	GetUser  func(ctx context.Context, req []interface{}, rsp *User) error
+	GetUser1 func(ctx context.Context, req []interface{}, rsp *User) error
+}
+
+func (u *UserProvider) Service() string {
+	return "com.ikurento.user.UserProvider"
+}
+
+func (u *UserProvider) Version() string {
+	return ""
+}
diff --git a/examples/dubbo/go-client/assembly/bin/load.sh b/examples/dubbo/go-client/assembly/bin/load.sh
index 72127283082e62d9d2bdf2a4b4934db56674535b..5bba2a26c858dad918ccd6bc60881151d906d25c 100644
--- a/examples/dubbo/go-client/assembly/bin/load.sh
+++ b/examples/dubbo/go-client/assembly/bin/load.sh
@@ -23,8 +23,9 @@ else
     APP_NAME="APPLICATION_NAME.exe"
 fi
 
-export APP_CONF_FILE=${PROJECT_HOME}"TARGET_CONF_FILE"
+export CONF_CONSUMER_FILE_PATH=${PROJECT_HOME}"TARGET_CONF_FILE"
 export APP_LOG_CONF_FILE=${PROJECT_HOME}"TARGET_LOG_CONF_FILE"
+export CONF_DUBBO_CLIENT_FILE_PATH=${PROJECT_HOME}"TARGET_DUBBO_CONF_FILE"
 # export GOTRACEBACK=system
 # export GODEBUG=gctrace=1
 
diff --git a/examples/dubbo/go-client/assembly/common/app.properties b/examples/dubbo/go-client/assembly/common/app.properties
index 8faa3cf4b7cab02291011695b149817d388f9308..07a1814d11b29ccbe5bfcab1e9375a8461e6f943 100644
--- a/examples/dubbo/go-client/assembly/common/app.properties
+++ b/examples/dubbo/go-client/assembly/common/app.properties
@@ -15,4 +15,4 @@ export BUILD_PACKAGE="app"
 
 export TARGET_CONF_FILE="conf/client.yml"
 export TARGET_LOG_CONF_FILE="conf/log.xml"
-export TARGET_DUBBO_CONF_FILE="conf/getty.xml"
+export TARGET_DUBBO_CONF_FILE="conf/dubbo-client.yml"
diff --git a/examples/dubbo/go-client/assembly/common/build.sh b/examples/dubbo/go-client/assembly/common/build.sh
index 00763725b821e54dd0f378b0ec60757837067ef9..c52eb039beb6c8d05e11d3c3f1c16dc9a4baffab 100644
--- a/examples/dubbo/go-client/assembly/common/build.sh
+++ b/examples/dubbo/go-client/assembly/common/build.sh
@@ -69,6 +69,13 @@ else
     sed -i "s~TARGET_LOG_CONF_FILE~${TARGET_LOG_CONF_FILE}~g" ${BIN_DIR}/bin/*
 fi
 
+# modify TARGET_DUBBO_CONF_FILE
+if [ ${platform} == "Darwin" ]; then
+    sed -i "" "s~TARGET_DUBBO_CONF_FILE~${TARGET_DUBBO_CONF_FILE}~g" ${BIN_DIR}/bin/*
+else
+    sed -i "s~TARGET_DUBBO_CONF_FILE~${TARGET_DUBBO_CONF_FILE}~g" ${BIN_DIR}/bin/*
+fi
+
 cp -r profiles/${PROFILE}/* ${CONF_DIR}
 
 cd ${TARGET_FOLDER}
diff --git a/examples/dubbo/go-client/profiles/dev/client.yml b/examples/dubbo/go-client/profiles/dev/client.yml
index 9e7f65f36870b13ef9cd433e98480e0bf4ff8d4c..34196bd4233b11b6bdbdb405f94063dd590bf4a8 100644
--- a/examples/dubbo/go-client/profiles/dev/client.yml
+++ b/examples/dubbo/go-client/profiles/dev/client.yml
@@ -7,13 +7,8 @@ pprof_port : 10086
 # client
 request_timeout : "3500ms"
 net_io_timeout : "2s"
-retries : 1
 # connect timeout
 connect_timeout : "100ms"
-selector : "cache"
-selector_ttl : "10m"
-registry : "zookeeper"
-client_load_balance: "round_robin"
 
 # application config
 application_config:
@@ -24,12 +19,29 @@ application_config:
     owner : "ZX"
     environment : "dev"
 
-zk_registry_config:
-    timeout	: "3s"
-    address:
-        - "127.0.0.1:2181"
-service_config_type: "default"
-service_list:
-    -
-        protocol : "dubbo"
-        service : "com.ikurento.user.UserProvider"
+registries :
+- id: "hangzhouzk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+references:
+- registries :
+  - "hangzhouzk"
+  - "shanghaizk"
+
+  protocol : "dubbo"
+  interface : "com.ikurento.user.UserProvider"
+  cluster: "failover"
+  methods :
+  - name: "GetUser"
+    retries: 3
diff --git a/examples/dubbo/go-client/profiles/dev/dubbo-client.yml b/examples/dubbo/go-client/profiles/dev/dubbo-client.yml
new file mode 100644
index 0000000000000000000000000000000000000000..443031d567ec27fe4a2279f68f344618720c2098
--- /dev/null
+++ b/examples/dubbo/go-client/profiles/dev/dubbo-client.yml
@@ -0,0 +1,21 @@
+
+connection_number: 2
+heartbeat_period: "5s"
+session_timeout: "20s"
+fail_fast_timeout: "5s"
+pool_size: 64
+pool_ttl: 600
+getty_session_param:
+  compress_encoding: false
+  tcp_no_delay: true
+  tcp_keep_alive: true
+  keep_alive_period: "120s"
+  tcp_r_buf_size: 262144
+  tcp_w_buf_size: 65536
+  pkg_rq_size: 1024
+  pkg_wq_size: 512
+  tcp_read_timeout: "1s"
+  tcp_write_timeout: "5s"
+  wait_timeout: "1s"
+  max_msg_len: 1024
+  session_name: "client"
diff --git a/examples/dubbo/go-client/profiles/release/client.yml b/examples/dubbo/go-client/profiles/release/client.yml
index 4ce8a0d68ebf17fd464b785f8f652aff52a04c09..34196bd4233b11b6bdbdb405f94063dd590bf4a8 100644
--- a/examples/dubbo/go-client/profiles/release/client.yml
+++ b/examples/dubbo/go-client/profiles/release/client.yml
@@ -7,13 +7,8 @@ pprof_port : 10086
 # client
 request_timeout : "3500ms"
 net_io_timeout : "2s"
-retries : 1
 # connect timeout
 connect_timeout : "100ms"
-selector : "cache"
-selector_ttl : "10m"
-registry : "zookeeper"
-client_load_balance: "round_robin"
 
 # application config
 application_config:
@@ -22,14 +17,31 @@ application_config:
     module : "dubbogo user-info client"
     version : "0.0.1"
     owner : "ZX"
-    environment : "product"
+    environment : "dev"
 
-zk_registry_config:
-    timeout	: "3s"
-    address:
-        - "127.0.0.1:2181"
-service_config_type: "default"
-service_list:
-    -
-        protocol : "dubbo"
-        service : "com.ikurento.user.UserProvider"
+registries :
+- id: "hangzhouzk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+references:
+- registries :
+  - "hangzhouzk"
+  - "shanghaizk"
+
+  protocol : "dubbo"
+  interface : "com.ikurento.user.UserProvider"
+  cluster: "failover"
+  methods :
+  - name: "GetUser"
+    retries: 3
diff --git a/examples/dubbo/go-client/profiles/release/dubbo-client.yml b/examples/dubbo/go-client/profiles/release/dubbo-client.yml
new file mode 100644
index 0000000000000000000000000000000000000000..443031d567ec27fe4a2279f68f344618720c2098
--- /dev/null
+++ b/examples/dubbo/go-client/profiles/release/dubbo-client.yml
@@ -0,0 +1,21 @@
+
+connection_number: 2
+heartbeat_period: "5s"
+session_timeout: "20s"
+fail_fast_timeout: "5s"
+pool_size: 64
+pool_ttl: 600
+getty_session_param:
+  compress_encoding: false
+  tcp_no_delay: true
+  tcp_keep_alive: true
+  keep_alive_period: "120s"
+  tcp_r_buf_size: 262144
+  tcp_w_buf_size: 65536
+  pkg_rq_size: 1024
+  pkg_wq_size: 512
+  tcp_read_timeout: "1s"
+  tcp_write_timeout: "5s"
+  wait_timeout: "1s"
+  max_msg_len: 1024
+  session_name: "client"
diff --git a/examples/dubbo/go-client/profiles/test/client.yml b/examples/dubbo/go-client/profiles/test/client.yml
index 4e7e7a572bd2faea22fdee48f53dd50671eeb16b..34196bd4233b11b6bdbdb405f94063dd590bf4a8 100644
--- a/examples/dubbo/go-client/profiles/test/client.yml
+++ b/examples/dubbo/go-client/profiles/test/client.yml
@@ -7,13 +7,8 @@ pprof_port : 10086
 # client
 request_timeout : "3500ms"
 net_io_timeout : "2s"
-retries : 1
 # connect timeout
 connect_timeout : "100ms"
-selector : "cache"
-selector_ttl : "10m"
-registry : "zookeeper"
-client_load_balance: "round_robin"
 
 # application config
 application_config:
@@ -22,14 +17,31 @@ application_config:
     module : "dubbogo user-info client"
     version : "0.0.1"
     owner : "ZX"
-    environment : "test"
+    environment : "dev"
 
-zk_registry_config:
-    timeout	: "3s"
-    address:
-        - "127.0.0.1:2181"
-service_config_type: "default"
-service_list:
-    -
-        protocol : "dubbo"
-        service : "com.ikurento.user.UserProvider"
+registries :
+- id: "hangzhouzk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+references:
+- registries :
+  - "hangzhouzk"
+  - "shanghaizk"
+
+  protocol : "dubbo"
+  interface : "com.ikurento.user.UserProvider"
+  cluster: "failover"
+  methods :
+  - name: "GetUser"
+    retries: 3
diff --git a/examples/dubbo/go-client/profiles/test/dubbo-client.yml b/examples/dubbo/go-client/profiles/test/dubbo-client.yml
new file mode 100644
index 0000000000000000000000000000000000000000..443031d567ec27fe4a2279f68f344618720c2098
--- /dev/null
+++ b/examples/dubbo/go-client/profiles/test/dubbo-client.yml
@@ -0,0 +1,21 @@
+
+connection_number: 2
+heartbeat_period: "5s"
+session_timeout: "20s"
+fail_fast_timeout: "5s"
+pool_size: 64
+pool_ttl: 600
+getty_session_param:
+  compress_encoding: false
+  tcp_no_delay: true
+  tcp_keep_alive: true
+  keep_alive_period: "120s"
+  tcp_r_buf_size: 262144
+  tcp_w_buf_size: 65536
+  pkg_rq_size: 1024
+  pkg_wq_size: 512
+  tcp_read_timeout: "1s"
+  tcp_write_timeout: "5s"
+  wait_timeout: "1s"
+  max_msg_len: 1024
+  session_name: "client"
diff --git a/examples/dubbo/go-server/app/config.go b/examples/dubbo/go-server/app/config.go
deleted file mode 100644
index cc1422d681ee6f077a4dd41b7581fb7074cf202f..0000000000000000000000000000000000000000
--- a/examples/dubbo/go-server/app/config.go
+++ /dev/null
@@ -1,129 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"github.com/dubbo/dubbo-go/plugins"
-	"io/ioutil"
-	"os"
-	"path"
-	"time"
-)
-
-import (
-	"github.com/AlexStocks/goext/log"
-	log "github.com/AlexStocks/log4go"
-	jerrors "github.com/juju/errors"
-	yaml "gopkg.in/yaml.v2"
-)
-
-import (
-	"github.com/dubbo/dubbo-go/registry"
-	"github.com/dubbo/dubbo-go/registry/zookeeper"
-	"github.com/dubbo/dubbo-go/server"
-)
-
-const (
-	APP_CONF_FILE     string = "APP_CONF_FILE"
-	APP_LOG_CONF_FILE string = "APP_LOG_CONF_FILE"
-)
-
-var (
-	conf *ServerConfig
-)
-
-type (
-	ServerConfig struct {
-		// pprof
-		Pprof_Enabled bool `default:"false" yaml:"pprof_enabled"  json:"pprof_enabled,omitempty"`
-		Pprof_Port    int  `default:"10086"  yaml:"pprof_port" json:"pprof_port,omitempty"`
-
-		// transport & registry
-		Transport  string `default:"http"  yaml:"transport" json:"transport,omitempty"`
-		NetTimeout string `default:"100ms"  yaml:"net_timeout" json:"net_timeout,omitempty"` // in ms
-		netTimeout time.Duration
-		// application
-		Application_Config registry.ApplicationConfig `yaml:"application_config" json:"application_config,omitempty"`
-		// Registry_Address  string `default:"192.168.35.3:2181"`
-		Registry         string                     `default:"zookeeper"  yaml:"registry" json:"registry,omitempty"`
-		ZkRegistryConfig zookeeper.ZkRegistryConfig `yaml:"zk_registry_config" json:"zk_registry_config,omitempty"`
-
-		ServiceConfigType    string                     `default:"default" yaml:"service_config_type" json:"service_config_type,omitempty"`
-		ServiceConfigList    []registry.ReferenceConfig `yaml:"-"`
-		ServiceConfigMapList []map[string]string        `yaml:"service_list" json:"service_list,omitempty"`
-		Server_List          []server.ServerConfig      `yaml:"server_list" json:"server_list,omitempty"`
-	}
-)
-
-func initServerConf() *ServerConfig {
-	var (
-		err      error
-		confFile string
-	)
-
-	confFile = os.Getenv(APP_CONF_FILE)
-	if confFile == "" {
-		panic(fmt.Sprintf("application configure file name is nil"))
-		return nil
-	}
-	if path.Ext(confFile) != ".yml" {
-		panic(fmt.Sprintf("application configure file name{%v} suffix must be .yml", confFile))
-		return nil
-	}
-
-	conf = &ServerConfig{}
-	confFileStream, err := ioutil.ReadFile(confFile)
-	if err != nil {
-		panic(fmt.Sprintf("ioutil.ReadFile(file:%s) = error:%s", confFile, jerrors.ErrorStack(err)))
-		return nil
-	}
-	err = yaml.Unmarshal(confFileStream, conf)
-	if err != nil {
-		panic(fmt.Sprintf("yaml.Unmarshal() = error:%s", jerrors.ErrorStack(err)))
-		return nil
-	}
-	if conf.netTimeout, err = time.ParseDuration(conf.NetTimeout); err != nil {
-		panic(fmt.Sprintf("time.ParseDuration(NetTimeout:%#v) = error:%s", conf.NetTimeout, err))
-		return nil
-	}
-	if conf.ZkRegistryConfig.Timeout, err = time.ParseDuration(conf.ZkRegistryConfig.TimeoutStr); err != nil {
-		panic(fmt.Sprintf("time.ParseDuration(Registry_Config.Timeout:%#v) = error:%s",
-			conf.ZkRegistryConfig.TimeoutStr, err))
-		return nil
-	}
-
-	// set designated service_config_type to default
-	plugins.SetDefaultProviderServiceConfig(conf.ServiceConfigType)
-	for _, service := range conf.ServiceConfigMapList {
-
-		svc := plugins.DefaultProviderServiceConfig()()
-		svc.SetProtocol(service["protocol"])
-		svc.SetService(service["service"])
-		conf.ServiceConfigList = append(conf.ServiceConfigList, svc)
-	}
-
-	gxlog.CInfo("config{%#v}\n", conf)
-
-	return conf
-}
-
-func configInit() error {
-	var (
-		confFile string
-	)
-
-	initServerConf()
-
-	confFile = os.Getenv(APP_LOG_CONF_FILE)
-	if confFile == "" {
-		panic(fmt.Sprintf("log configure file name is nil"))
-		return nil
-	}
-	if path.Ext(confFile) != ".xml" {
-		panic(fmt.Sprintf("log configure file name{%v} suffix must be .xml", confFile))
-		return nil
-	}
-
-	log.LoadConfiguration(confFile)
-
-	return nil
-}
diff --git a/examples/dubbo/go-server/app/server.go b/examples/dubbo/go-server/app/server.go
index bfc039bf407fba0ab33c3c0f490fa903e01229ee..61099fc368f1af90be15d717d4cd5c172d863166 100644
--- a/examples/dubbo/go-server/app/server.go
+++ b/examples/dubbo/go-server/app/server.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"github.com/dubbogo/hessian2"
 	"net/http"
 	_ "net/http/pprof"
 	"os"
@@ -14,119 +15,49 @@ import (
 	"github.com/AlexStocks/goext/net"
 	"github.com/AlexStocks/goext/time"
 	log "github.com/AlexStocks/log4go"
-	"github.com/dubbogo/hessian2"
-	jerrors "github.com/juju/errors"
 )
 
 import (
-	"github.com/dubbo/dubbo-go/dubbo"
-	"github.com/dubbo/dubbo-go/plugins"
-	"github.com/dubbo/dubbo-go/registry"
-	"github.com/dubbo/dubbo-go/registry/zookeeper"
+	"github.com/dubbo/dubbo-go/config/support"
+
+	_ "github.com/dubbo/dubbo-go/protocol/dubbo"
+	_ "github.com/dubbo/dubbo-go/protocol/jsonrpc"
+	_ "github.com/dubbo/dubbo-go/registry/protocol"
+
+	_ "github.com/dubbo/dubbo-go/filter/imp"
+
+	_ "github.com/dubbo/dubbo-go/cluster/loadbalance"
+	_ "github.com/dubbo/dubbo-go/cluster/support"
+	_ "github.com/dubbo/dubbo-go/registry/zookeeper"
 )
 
 var (
 	survivalTimeout = int(3e9)
-	servo           *dubbo.Server
 )
 
+// they are necessary:
+// 		export CONF_PROVIDER_FILE_PATH="xxx"
+// 		export APP_LOG_CONF_FILE="xxx"
 func main() {
-	var (
-		err error
-	)
-
-	err = configInit()
-	if err != nil {
-		log.Error("configInit() = error{%#v}", err)
-		return
-	}
-	initProfiling()
 
+	// ------for hessian2------
 	hessian.RegisterJavaEnum(Gender(MAN))
 	hessian.RegisterJavaEnum(Gender(WOMAN))
-	hessian.RegisterPOJO(&DubboUser{})
-
-	servo = initServer()
-	err = servo.Register(&UserProvider{})
-	if err != nil {
-		panic(err)
-		return
-	}
-	servo.Start()
-
-	initSignal()
-}
-
-func initServer() *dubbo.Server {
-	var (
-		srv *dubbo.Server
-	)
-
-	if conf == nil {
-		panic(fmt.Sprintf("conf is nil"))
-		return nil
-	}
-
-	// registry
-
-	regs, err := plugins.PluggableRegistries[conf.Registry](
-		registry.WithDubboType(registry.PROVIDER),
-		registry.WithApplicationConf(conf.Application_Config),
-		zookeeper.WithRegistryConf(conf.ZkRegistryConfig),
-	)
+	hessian.RegisterPOJO(&User{})
+	// ------------
 
-	if err != nil || regs == nil {
-		panic(fmt.Sprintf("fail to init registry.Registy, err:%s", jerrors.ErrorStack(err)))
-		return nil
+	_, proMap := support.Load()
+	if proMap == nil {
+		panic("proMap is nil")
 	}
 
-	// generate server config
-	serverConfig := make([]dubbo.ServerConfig, len(conf.Server_List))
-	for i := 0; i < len(conf.Server_List); i++ {
-		serverConfig[i] = dubbo.ServerConfig{
-			SessionNumber:   700,
-			FailFastTimeout: "5s",
-			SessionTimeout:  "20s",
-			GettySessionParam: dubbo.GettySessionParam{
-				CompressEncoding: false, // 必须false
-				TcpNoDelay:       true,
-				KeepAlivePeriod:  "120s",
-				TcpRBufSize:      262144,
-				TcpKeepAlive:     true,
-				TcpWBufSize:      65536,
-				PkgRQSize:        1024,
-				PkgWQSize:        512,
-				TcpReadTimeout:   "1s",
-				TcpWriteTimeout:  "5s",
-				WaitTimeout:      "1s",
-				MaxMsgLen:        1024,
-				SessionName:      "server",
-			},
-		}
-		serverConfig[i].IP = conf.Server_List[i].IP
-		serverConfig[i].Port = conf.Server_List[i].Port
-		serverConfig[i].Protocol = conf.Server_List[i].Protocol
-	}
-
-	// provider
-	srv = dubbo.NewServer(
-		dubbo.Registry(regs),
-		dubbo.ConfList(serverConfig),
-		dubbo.ServiceConfList(conf.ServiceConfigList),
-	)
-
-	return srv
-}
+	initProfiling()
 
-func uninitServer() {
-	if servo != nil {
-		servo.Stop()
-	}
-	log.Close()
+	initSignal()
 }
 
 func initProfiling() {
-	if !conf.Pprof_Enabled {
+	if !support.GetProviderConfig().Pprof_Enabled {
 		return
 	}
 	const (
@@ -142,7 +73,7 @@ func initProfiling() {
 	if err != nil {
 		panic("cat not get local ip!")
 	}
-	addr = ip + ":" + strconv.Itoa(conf.Pprof_Port)
+	addr = ip + ":" + strconv.Itoa(support.GetProviderConfig().Pprof_Port)
 	log.Info("App Profiling startup on address{%v}", addr+PprofPath)
 
 	go func() {
@@ -159,7 +90,7 @@ func initSignal() {
 		log.Info("get signal %s", sig.String())
 		switch sig {
 		case syscall.SIGHUP:
-		// reload()
+			// reload()
 		default:
 			go gxtime.Future(survivalTimeout, func() {
 				log.Warn("app exit now by force...")
@@ -167,7 +98,6 @@ func initSignal() {
 			})
 
 			// 要么fastFailTimeout时间内执行完毕下面的逻辑然后程序退出，要么执行上面的超时函数程序强行退出
-			uninitServer()
 			fmt.Println("provider app exit now...")
 			return
 		}
diff --git a/examples/dubbo/go-server/app/user.go b/examples/dubbo/go-server/app/user.go
index fa4f9f992eb8d50ee962527c6b7551125ec2da02..e8c7539f675e7c7fe3346607dc4beee2b47d3a33 100644
--- a/examples/dubbo/go-server/app/user.go
+++ b/examples/dubbo/go-server/app/user.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	// "encoding/json"
 	"context"
 	"fmt"
 	"strconv"
@@ -13,8 +12,16 @@ import (
 	"github.com/dubbogo/hessian2"
 )
 
+import (
+	"github.com/dubbo/dubbo-go/config/support"
+)
+
 type Gender hessian.JavaEnum
 
+func init() {
+	support.SetProService(new(UserProvider))
+}
+
 const (
 	MAN hessian.JavaEnum = iota
 	WOMAN
@@ -53,7 +60,7 @@ func (g Gender) EnumValue(s string) hessian.JavaEnum {
 }
 
 type (
-	DubboUser struct {
+	User struct {
 		// !!! Cannot define lowercase names of variable
 		Id   string
 		Name string
@@ -63,42 +70,42 @@ type (
 	}
 
 	UserProvider struct {
-		user map[string]DubboUser
+		user map[string]User
 	}
 )
 
-func (u DubboUser) String() string {
-	return fmt.Sprintf(
-		"User{Id:%s, Name:%s, Age:%d, Time:%s, Sex:%s}",
-		u.Id, u.Name, u.Age, u.Time, u.Sex,
-	)
-}
-
-func (DubboUser) JavaClassName() string {
-	return "com.ikurento.user.User"
-}
-
 var (
-	DefaultUser = DubboUser{
+	DefaultUser = User{
 		Id: "0", Name: "Alex Stocks", Age: 31,
 		Sex: Gender(MAN),
 	}
 
-	userMap = UserProvider{user: make(map[string]DubboUser)}
+	userMap = UserProvider{user: make(map[string]User)}
 )
 
 func init() {
-	//DefaultUser.Sex = DefaultUser.sex.String()
 	userMap.user["A000"] = DefaultUser
-	userMap.user["A001"] = DubboUser{Id: "001", Name: "ZhangSheng", Age: 18, Sex: Gender(MAN)}
-	userMap.user["A002"] = DubboUser{Id: "002", Name: "Lily", Age: 20, Sex: Gender(WOMAN)}
-	userMap.user["A003"] = DubboUser{Id: "113", Name: "Moorse", Age: 30, Sex: Gender(WOMAN)}
+	userMap.user["A001"] = User{Id: "001", Name: "ZhangSheng", Age: 18, Sex: Gender(MAN)}
+	userMap.user["A002"] = User{Id: "002", Name: "Lily", Age: 20, Sex: Gender(WOMAN)}
+	userMap.user["A003"] = User{Id: "113", Name: "Moorse", Age: 30, Sex: Gender(WOMAN)}
 	for k, v := range userMap.user {
+		v.Time = time.Now()
 		userMap.user[k] = v
 	}
 }
 
-func (u *UserProvider) getUser(userId string) (*DubboUser, error) {
+func (u User) String() string {
+	return fmt.Sprintf(
+		"User{Id:%s, Name:%s, Age:%d, Time:%s, Sex:%s}",
+		u.Id, u.Name, u.Age, u.Time, u.Sex,
+	)
+}
+
+func (u User) JavaClassName() string {
+	return "com.ikurento.user.User"
+}
+
+func (u *UserProvider) getUser(userId string) (*User, error) {
 	if user, ok := userMap.user[userId]; ok {
 		return &user, nil
 	}
@@ -106,13 +113,10 @@ func (u *UserProvider) getUser(userId string) (*DubboUser, error) {
 	return nil, fmt.Errorf("invalid user id:%s", userId)
 }
 
-/*
-	!!! req must be []interface{}
-*/
-func (u *UserProvider) GetUser(ctx context.Context, req []interface{}, rsp *DubboUser) error {
+func (u *UserProvider) GetUser(ctx context.Context, req []interface{}, rsp *User) error {
 	var (
 		err  error
-		user *DubboUser
+		user *User
 	)
 
 	gxlog.CInfo("req:%#v", req)
@@ -120,6 +124,11 @@ func (u *UserProvider) GetUser(ctx context.Context, req []interface{}, rsp *Dubb
 	if err == nil {
 		*rsp = *user
 		gxlog.CInfo("rsp:%#v", rsp)
+		// s, _ := json.Marshal(rsp)
+		// fmt.Println("hello0:", string(s))
+
+		// s, _ = json.Marshal(*rsp)
+		// fmt.Println("hello1:", string(s))
 	}
 	return err
 }
diff --git a/examples/dubbo/go-server/assembly/bin/load.sh b/examples/dubbo/go-server/assembly/bin/load.sh
index e202ff65f436f08191ae5364378f659de858777a..f89c45255f4184c1ceece951c58252e56c4bd984 100644
--- a/examples/dubbo/go-server/assembly/bin/load.sh
+++ b/examples/dubbo/go-server/assembly/bin/load.sh
@@ -20,8 +20,9 @@ if [[ ${OS_NAME} != "Windows" ]]; then
     PROJECT_HOME=${PROJECT_HOME}"/"
 fi
 
-export APP_CONF_FILE=${PROJECT_HOME}"TARGET_CONF_FILE"
+export CONF_PROVIDER_FILE_PATH=${PROJECT_HOME}"TARGET_CONF_FILE"
 export APP_LOG_CONF_FILE=${PROJECT_HOME}"TARGET_LOG_CONF_FILE"
+export CONF_DUBBO_SERVER_FILE_PATH=${PROJECT_HOME}"TARGET_DUBBO_CONF_FILE"
 
 usage() {
     echo "Usage: $0 start"
diff --git a/examples/dubbo/go-server/assembly/common/app.properties b/examples/dubbo/go-server/assembly/common/app.properties
index d230d5efc4ee84c4a99e1b27e7b49d97046d91a3..53eb3a553864e0aea2f103a579ed6d1312b433d0 100644
--- a/examples/dubbo/go-server/assembly/common/app.properties
+++ b/examples/dubbo/go-server/assembly/common/app.properties
@@ -15,3 +15,4 @@ BUILD_PACKAGE="app"
 
 TARGET_CONF_FILE="conf/server.yml"
 TARGET_LOG_CONF_FILE="conf/log.xml"
+TARGET_DUBBO_CONF_FILE="conf/dubbo-server.yml"
diff --git a/examples/dubbo/go-server/assembly/common/build.sh b/examples/dubbo/go-server/assembly/common/build.sh
index a41fbbac321b74849d71b28a65f8b7c5de13cf0f..ddc40e4e0c36432eb0a2a73f06f7dd6b4343f354 100644
--- a/examples/dubbo/go-server/assembly/common/build.sh
+++ b/examples/dubbo/go-server/assembly/common/build.sh
@@ -65,6 +65,12 @@ if [ "$(uname)" == "Darwin" ]; then
 else
     sed -i "s~TARGET_LOG_CONF_FILE~${TARGET_LOG_CONF_FILE}~g" ${BIN_DIR}/bin/*
 fi
+#modify TARGET_DUBBO_CONF_FILE
+if [ "$(uname)" == "Darwin" ]; then
+    sed -i "" "s~TARGET_DUBBO_CONF_FILE~${TARGET_DUBBO_CONF_FILE}~g" ${BIN_DIR}/bin/*
+else
+    sed -i "s~TARGET_DUBBO_CONF_FILE~${TARGET_DUBBO_CONF_FILE}~g" ${BIN_DIR}/bin/*
+fi
 
 cp -r profiles/${PROFILE}/* ${CONF_DIR}
 
diff --git a/examples/jsonrpc/go-server/profiles/dev/dubbo-server.yml b/examples/dubbo/go-server/profiles/dev/dubbo-server.yml
similarity index 100%
rename from examples/jsonrpc/go-server/profiles/dev/dubbo-server.yml
rename to examples/dubbo/go-server/profiles/dev/dubbo-server.yml
diff --git a/examples/dubbo/go-server/profiles/dev/server.yml b/examples/dubbo/go-server/profiles/dev/server.yml
index 3eb4df6112275fd9ffebe7a416c39a1259867512..f055b1610caf5333b6fa2bd50c91a18088556386 100644
--- a/examples/dubbo/go-server/profiles/dev/server.yml
+++ b/examples/dubbo/go-server/profiles/dev/server.yml
@@ -8,6 +8,7 @@ pprof_port : 20080
 transport : "http"
 net_timeout : "3s"
 
+path: ""
 # application config
 application_config:
     organization : "ikurento.com"
@@ -17,23 +18,42 @@ application_config:
     owner : "ZX"
     environment : "dev"
 
-registry: "zookeeper"
-
-zk_registry_config:
-    timeout	: "3s"
-    address:
-        - "127.0.0.1:2181"
-service_config_type: "default"
-service_list:
-    -
-        protocol : "dubbo"
-        # 相当于dubbo.xml中的interface
-        service : "com.ikurento.user.UserProvider"
-
-server_list:
-    -
-        # 如果是127.0.0.1, java-client将无法连接到go-server
-        ip : "192.168.56.1"
-        port : 20000
-        # 本server能够提供所有支持同样的Protocol的servicelist的服务
-        protocol : "dubbo"
+registries :
+- id: "hangzhouzk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2182"
+  username: ""
+  password: ""
+
+
+services:
+- registries:
+  - "hangzhouzk"
+  - "shanghaizk"
+  protocol : "dubbo"
+    # 相当于dubbo.xml中的interface
+  interface : "com.ikurento.user.UserProvider"
+  loadbalance: "random"
+  warmup: "100"
+  cluster: "failover"
+  methods:
+  - name: "GetUser"
+    retries: 1
+    loadbalance: "random"
+
+protocols:
+-   name: "dubbo"
+    ip : "192.168.56.1"
+    port : 20000
+#-   name: "jsonrpc"
+#    ip: "127.0.0.1"
+#    port: 20001
+
diff --git a/examples/jsonrpc/go-server/profiles/release/dubbo-server.yml b/examples/dubbo/go-server/profiles/release/dubbo-server.yml
similarity index 100%
rename from examples/jsonrpc/go-server/profiles/release/dubbo-server.yml
rename to examples/dubbo/go-server/profiles/release/dubbo-server.yml
diff --git a/examples/dubbo/go-server/profiles/release/server.yml b/examples/dubbo/go-server/profiles/release/server.yml
index e61274ea0977f2a193572cddc2ec996e07c220b0..f055b1610caf5333b6fa2bd50c91a18088556386 100644
--- a/examples/dubbo/go-server/profiles/release/server.yml
+++ b/examples/dubbo/go-server/profiles/release/server.yml
@@ -8,6 +8,7 @@ pprof_port : 20080
 transport : "http"
 net_timeout : "3s"
 
+path: ""
 # application config
 application_config:
     organization : "ikurento.com"
@@ -15,24 +16,44 @@ application_config:
     module : "dubbogo user-info server"
     version : "0.0.1"
     owner : "ZX"
-    environment : "product"
-
-registry: "zookeeper"
-
-zk_registry_config:
-    timeout	: "3s"
-    address:
-        - "127.0.0.1:2181"
-service_config_type: "default"
-service_list:
-    -
-        protocol : "dubbo"
-        # 相当于dubbo.xml中的interface
-        service : "com.ikurento.user.UserProvider"
-
-server_list:
-    -
-        ip : "127.0.0.1"
-        port : 20000
-        # 本server能够提供所有支持同样的Protocol的servicelist的服务
-        protocol : "dubbo"
+    environment : "dev"
+
+registries :
+- id: "hangzhouzk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2182"
+  username: ""
+  password: ""
+
+
+services:
+- registries:
+  - "hangzhouzk"
+  - "shanghaizk"
+  protocol : "dubbo"
+    # 相当于dubbo.xml中的interface
+  interface : "com.ikurento.user.UserProvider"
+  loadbalance: "random"
+  warmup: "100"
+  cluster: "failover"
+  methods:
+  - name: "GetUser"
+    retries: 1
+    loadbalance: "random"
+
+protocols:
+-   name: "dubbo"
+    ip : "192.168.56.1"
+    port : 20000
+#-   name: "jsonrpc"
+#    ip: "127.0.0.1"
+#    port: 20001
+
diff --git a/examples/jsonrpc/go-server/profiles/test/dubbo-server.yml b/examples/dubbo/go-server/profiles/test/dubbo-server.yml
similarity index 100%
rename from examples/jsonrpc/go-server/profiles/test/dubbo-server.yml
rename to examples/dubbo/go-server/profiles/test/dubbo-server.yml
diff --git a/examples/dubbo/go-server/profiles/test/server.yml b/examples/dubbo/go-server/profiles/test/server.yml
index cc73b9b642f2ba7f36c781f72e153b0547e7e8ce..f055b1610caf5333b6fa2bd50c91a18088556386 100644
--- a/examples/dubbo/go-server/profiles/test/server.yml
+++ b/examples/dubbo/go-server/profiles/test/server.yml
@@ -8,6 +8,7 @@ pprof_port : 20080
 transport : "http"
 net_timeout : "3s"
 
+path: ""
 # application config
 application_config:
     organization : "ikurento.com"
@@ -15,24 +16,44 @@ application_config:
     module : "dubbogo user-info server"
     version : "0.0.1"
     owner : "ZX"
-    environment : "test"
-
-registry: "zookeeper"
-
-zk_registry_config:
-    timeout	: "3s"
-    address:
-        - "127.0.0.1:2181"
-service_config_type: "default"
-service_list:
-    -
-        protocol : "dubbo"
-        # 相当于dubbo.xml中的interface
-        service : "com.ikurento.user.UserProvider"
-
-server_list:
-    -
-        ip : "127.0.0.1"
-        port : 20000
-        # 本server能够提供所有支持同样的Protocol的servicelist的服务
-        protocol : "dubbo"
+    environment : "dev"
+
+registries :
+- id: "hangzhouzk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
+
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2182"
+  username: ""
+  password: ""
+
+
+services:
+- registries:
+  - "hangzhouzk"
+  - "shanghaizk"
+  protocol : "dubbo"
+    # 相当于dubbo.xml中的interface
+  interface : "com.ikurento.user.UserProvider"
+  loadbalance: "random"
+  warmup: "100"
+  cluster: "failover"
+  methods:
+  - name: "GetUser"
+    retries: 1
+    loadbalance: "random"
+
+protocols:
+-   name: "dubbo"
+    ip : "192.168.56.1"
+    port : 20000
+#-   name: "jsonrpc"
+#    ip: "127.0.0.1"
+#    port: 20001
+
diff --git a/examples/jsonrpc/go-client/app/client.go b/examples/jsonrpc/go-client/app/client.go
index f75749b44609a85635cbac6cca6b285f9d57c94b..f120a54455a8389328ca3884a0d9715c2e21ef4e 100644
--- a/examples/jsonrpc/go-client/app/client.go
+++ b/examples/jsonrpc/go-client/app/client.go
@@ -37,7 +37,6 @@ var (
 
 // they are necessary:
 // 		export CONF_CONSUMER_FILE_PATH="xxx"
-// 		export CONF_PROVIDER_FILE_PATH="xxx"
 // 		export APP_LOG_CONF_FILE="xxx"
 func main() {
 
diff --git a/examples/jsonrpc/go-client/assembly/bin/load.sh b/examples/jsonrpc/go-client/assembly/bin/load.sh
index 72127283082e62d9d2bdf2a4b4934db56674535b..63bb08a3b1ff8f0790df1b2a04285bbfefe10407 100644
--- a/examples/jsonrpc/go-client/assembly/bin/load.sh
+++ b/examples/jsonrpc/go-client/assembly/bin/load.sh
@@ -23,7 +23,7 @@ else
     APP_NAME="APPLICATION_NAME.exe"
 fi
 
-export APP_CONF_FILE=${PROJECT_HOME}"TARGET_CONF_FILE"
+export CONF_CONSUMER_FILE_PATH=${PROJECT_HOME}"TARGET_CONF_FILE"
 export APP_LOG_CONF_FILE=${PROJECT_HOME}"TARGET_LOG_CONF_FILE"
 # export GOTRACEBACK=system
 # export GODEBUG=gctrace=1
diff --git a/examples/jsonrpc/go-client/profiles/release/client.yml b/examples/jsonrpc/go-client/profiles/release/client.yml
index ddfcc614fc92db1efac780e83144bb2971d5a04b..3b923bc48cdf40de7c6c7a91bcd1f9bfd85a6dfa 100644
--- a/examples/jsonrpc/go-client/profiles/release/client.yml
+++ b/examples/jsonrpc/go-client/profiles/release/client.yml
@@ -12,12 +12,12 @@ connect_timeout : "100ms"
 
 # application config
 application_config:
-    organization : "ikurento.com"
-    name  : "BDTService"
-    module : "dubbogo user-info client"
-    version : "0.0.1"
-    owner : "ZX"
-    environment : "dev"
+  organization : "ikurento.com"
+  name  : "BDTService"
+  module : "dubbogo user-info client"
+  version : "0.0.1"
+  owner : "ZX"
+  environment : "dev"
 
 registries :
 - id: "hangzhouzk"
@@ -27,17 +27,18 @@ registries :
   username: ""
   password: ""
 
-#- id: "shanghaizk"
-#  type: "zookeeper"
-#  timeout	: "3s"
-#  address: "127.0.0.1:2181"
-#  username: ""
-#  password: ""
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
 
 references:
 - registries :
   - "hangzhouzk"
-    #  - "shanghaizk"
+  - "shanghaizk"
+
   protocol : "jsonrpc"
   interface : "com.ikurento.user.UserProvider"
   cluster: "failover"
diff --git a/examples/jsonrpc/go-client/profiles/test/client.yml b/examples/jsonrpc/go-client/profiles/test/client.yml
index ddfcc614fc92db1efac780e83144bb2971d5a04b..3b923bc48cdf40de7c6c7a91bcd1f9bfd85a6dfa 100644
--- a/examples/jsonrpc/go-client/profiles/test/client.yml
+++ b/examples/jsonrpc/go-client/profiles/test/client.yml
@@ -12,12 +12,12 @@ connect_timeout : "100ms"
 
 # application config
 application_config:
-    organization : "ikurento.com"
-    name  : "BDTService"
-    module : "dubbogo user-info client"
-    version : "0.0.1"
-    owner : "ZX"
-    environment : "dev"
+  organization : "ikurento.com"
+  name  : "BDTService"
+  module : "dubbogo user-info client"
+  version : "0.0.1"
+  owner : "ZX"
+  environment : "dev"
 
 registries :
 - id: "hangzhouzk"
@@ -27,17 +27,18 @@ registries :
   username: ""
   password: ""
 
-#- id: "shanghaizk"
-#  type: "zookeeper"
-#  timeout	: "3s"
-#  address: "127.0.0.1:2181"
-#  username: ""
-#  password: ""
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2181"
+  username: ""
+  password: ""
 
 references:
 - registries :
   - "hangzhouzk"
-    #  - "shanghaizk"
+  - "shanghaizk"
+
   protocol : "jsonrpc"
   interface : "com.ikurento.user.UserProvider"
   cluster: "failover"
diff --git a/examples/jsonrpc/go-server/app/server.go b/examples/jsonrpc/go-server/app/server.go
index 24be42b57d8d68c12d56f8d423cf1567a3b42706..de0adfa82e51920b57ead590fed15959ebdf3ba0 100644
--- a/examples/jsonrpc/go-server/app/server.go
+++ b/examples/jsonrpc/go-server/app/server.go
@@ -19,7 +19,6 @@ import (
 import (
 	"github.com/dubbo/dubbo-go/config/support"
 
-	_ "github.com/dubbo/dubbo-go/protocol/dubbo"
 	_ "github.com/dubbo/dubbo-go/protocol/jsonrpc"
 	_ "github.com/dubbo/dubbo-go/registry/protocol"
 
@@ -35,7 +34,6 @@ var (
 )
 
 // they are necessary:
-// 		export CONF_CONSUMER_FILE_PATH="xxx"
 // 		export CONF_PROVIDER_FILE_PATH="xxx"
 // 		export APP_LOG_CONF_FILE="xxx"
 func main() {
diff --git a/examples/jsonrpc/go-server/assembly/bin/load.sh b/examples/jsonrpc/go-server/assembly/bin/load.sh
index f89c45255f4184c1ceece951c58252e56c4bd984..b1e7a976665722a525c9633c682f6e3e9a5e4cab 100644
--- a/examples/jsonrpc/go-server/assembly/bin/load.sh
+++ b/examples/jsonrpc/go-server/assembly/bin/load.sh
@@ -22,7 +22,6 @@ fi
 
 export CONF_PROVIDER_FILE_PATH=${PROJECT_HOME}"TARGET_CONF_FILE"
 export APP_LOG_CONF_FILE=${PROJECT_HOME}"TARGET_LOG_CONF_FILE"
-export CONF_DUBBO_SERVER_FILE_PATH=${PROJECT_HOME}"TARGET_DUBBO_CONF_FILE"
 
 usage() {
     echo "Usage: $0 start"
diff --git a/examples/jsonrpc/go-server/assembly/common/app.properties b/examples/jsonrpc/go-server/assembly/common/app.properties
index 53eb3a553864e0aea2f103a579ed6d1312b433d0..d230d5efc4ee84c4a99e1b27e7b49d97046d91a3 100644
--- a/examples/jsonrpc/go-server/assembly/common/app.properties
+++ b/examples/jsonrpc/go-server/assembly/common/app.properties
@@ -15,4 +15,3 @@ BUILD_PACKAGE="app"
 
 TARGET_CONF_FILE="conf/server.yml"
 TARGET_LOG_CONF_FILE="conf/log.xml"
-TARGET_DUBBO_CONF_FILE="conf/dubbo-server.yml"
diff --git a/examples/jsonrpc/go-server/assembly/common/build.sh b/examples/jsonrpc/go-server/assembly/common/build.sh
index ddc40e4e0c36432eb0a2a73f06f7dd6b4343f354..a41fbbac321b74849d71b28a65f8b7c5de13cf0f 100644
--- a/examples/jsonrpc/go-server/assembly/common/build.sh
+++ b/examples/jsonrpc/go-server/assembly/common/build.sh
@@ -65,12 +65,6 @@ if [ "$(uname)" == "Darwin" ]; then
 else
     sed -i "s~TARGET_LOG_CONF_FILE~${TARGET_LOG_CONF_FILE}~g" ${BIN_DIR}/bin/*
 fi
-#modify TARGET_DUBBO_CONF_FILE
-if [ "$(uname)" == "Darwin" ]; then
-    sed -i "" "s~TARGET_DUBBO_CONF_FILE~${TARGET_DUBBO_CONF_FILE}~g" ${BIN_DIR}/bin/*
-else
-    sed -i "s~TARGET_DUBBO_CONF_FILE~${TARGET_DUBBO_CONF_FILE}~g" ${BIN_DIR}/bin/*
-fi
 
 cp -r profiles/${PROFILE}/* ${CONF_DIR}
 
diff --git a/examples/jsonrpc/go-server/profiles/dev/server.yml b/examples/jsonrpc/go-server/profiles/dev/server.yml
index 45a0c4612064570d0e0bdccc17ea2607bf7c067f..b9e836fb679ce962835bf1ddf0178af0f9ff66e9 100644
--- a/examples/jsonrpc/go-server/profiles/dev/server.yml
+++ b/examples/jsonrpc/go-server/profiles/dev/server.yml
@@ -50,9 +50,9 @@ services:
     loadbalance: "random"
 
 protocols:
--   name: "dubbo"
-    ip : "127.0.0.1"
-    port : 20000
+#-   name: "dubbo"
+#    ip : "127.0.0.1"
+#    port : 20000
 -   name: "jsonrpc"
     ip: "127.0.0.1"
     port: 20001
diff --git a/examples/jsonrpc/go-server/profiles/release/server.yml b/examples/jsonrpc/go-server/profiles/release/server.yml
index db0753cb8a74e6dbe1ebe6ca712e169567fa6beb..0fb9d5d55d7f02dfb0ea86a0844e57deb43796a2 100644
--- a/examples/jsonrpc/go-server/profiles/release/server.yml
+++ b/examples/jsonrpc/go-server/profiles/release/server.yml
@@ -11,12 +11,12 @@ net_timeout : "3s"
 path: ""
 # application config
 application_config:
-    organization : "ikurento.com"
-    name : "BDTService"
-    module : "dubbogo user-info server"
-    version : "0.0.1"
-    owner : "ZX"
-    environment : "pro"
+  organization : "ikurento.com"
+  name : "BDTService"
+  module : "dubbogo user-info server"
+  version : "0.0.1"
+  owner : "ZX"
+  environment : "dev"
 
 registries :
 - id: "hangzhouzk"
@@ -26,20 +26,20 @@ registries :
   username: ""
   password: ""
 
-#- id: "shanghaizk"
-#  type: "zookeeper"
-#  timeout	: "3s"
-#  address: "127.0.0.1:2182"
-#  username: ""
-#  password: ""
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2182"
+  username: ""
+  password: ""
 
 
 services:
 - registries:
   - "hangzhouzk"
-#  - "shanghaizk"
-  protocol : "dubbo,jsonrpc"
-    # 相当于dubbo.xml中的interface
+  - "shanghaizk"
+  protocol : "jsonrpc"
+  # 相当于dubbo.xml中的interface
   interface : "com.ikurento.user.UserProvider"
   loadbalance: "random"
   warmup: "100"
@@ -50,9 +50,9 @@ services:
     loadbalance: "random"
 
 protocols:
--   name: "dubbo"
-    ip : "127.0.0.1"
-    port : 20000
+#-   name: "dubbo"
+#    ip : "127.0.0.1"
+#    port : 20000
 -   name: "jsonrpc"
     ip: "127.0.0.1"
     port: 20001
diff --git a/examples/jsonrpc/go-server/profiles/test/server.yml b/examples/jsonrpc/go-server/profiles/test/server.yml
index a12531164a573cfb5e7fe83ba47a4507f6abe7f3..0fb9d5d55d7f02dfb0ea86a0844e57deb43796a2 100644
--- a/examples/jsonrpc/go-server/profiles/test/server.yml
+++ b/examples/jsonrpc/go-server/profiles/test/server.yml
@@ -16,7 +16,7 @@ application_config:
   module : "dubbogo user-info server"
   version : "0.0.1"
   owner : "ZX"
-  environment : "test"
+  environment : "dev"
 
 registries :
 - id: "hangzhouzk"
@@ -26,19 +26,19 @@ registries :
   username: ""
   password: ""
 
-#- id: "shanghaizk"
-#  type: "zookeeper"
-#  timeout	: "3s"
-#  address: "127.0.0.1:2182"
-#  username: ""
-#  password: ""
+- id: "shanghaizk"
+  type: "zookeeper"
+  timeout	: "3s"
+  address: "127.0.0.1:2182"
+  username: ""
+  password: ""
 
 
 services:
 - registries:
   - "hangzhouzk"
-#  - "shanghaizk"
-  protocol : "dubbo,jsonrpc"
+  - "shanghaizk"
+  protocol : "jsonrpc"
   # 相当于dubbo.xml中的interface
   interface : "com.ikurento.user.UserProvider"
   loadbalance: "random"
@@ -50,9 +50,9 @@ services:
     loadbalance: "random"
 
 protocols:
--   name: "dubbo"
-    ip : "127.0.0.1"
-    port : 20000
+#-   name: "dubbo"
+#    ip : "127.0.0.1"
+#    port : 20000
 -   name: "jsonrpc"
     ip: "127.0.0.1"
     port: 20001
diff --git a/examples/jsonrpc/java-client/src/main/resources/dubbo.properties b/examples/jsonrpc/java-client/src/main/resources/dubbo.properties
deleted file mode 100644
index fc7b9aedd4260e82ab5f88327dca8728092c51b4..0000000000000000000000000000000000000000
--- a/examples/jsonrpc/java-client/src/main/resources/dubbo.properties
+++ /dev/null
@@ -1,13 +0,0 @@
-### dubboע���������� ###
-dubbo.container = log4j,spring
-dubbo.application.name = user-info-client
-dubbo.application.owner = AlexStocks
-dubbo.application.environment  =  product
-dubbo.registry.address = zookeeper://127.0.0.1:2181
-dubbo.monitor.protocol = zookeeper
-dubbo.consumer.timeout = 10000
-dubbo.provider.timeout = 10000
-dubbo.protocol.name = jsonrpc
-
-dubbo.log4j.file = logs/client.log
-dubbo.log4j.level = WARN
diff --git a/protocol/dubbo/client.go b/protocol/dubbo/client.go
index 3823674e209480b3cadb12c073c9fc451c3c8ef3..4ce4b4429242b6c06aa02118d6b34c1e22711ec3 100644
--- a/protocol/dubbo/client.go
+++ b/protocol/dubbo/client.go
@@ -198,7 +198,7 @@ func (c *Client) call(ct CallType, addr string, svcUrl config.URL, method string
 
 	p := &DubboPackage{}
 	p.Service.Path = strings.TrimPrefix(svcUrl.Path, "/")
-	p.Service.Target = strings.TrimPrefix(svcUrl.Path, "/")
+	p.Service.Target = svcUrl.GetParam(constant.INTERFACE_KEY, "")
 	p.Service.Version = svcUrl.GetParam(constant.VERSION_KEY, constant.DEFAULT_VERSION)
 	p.Service.Method = method
 	p.Service.Timeout = opts.RequestTimeout
diff --git a/protocol/dubbo/dubbo_invoker.go b/protocol/dubbo/dubbo_invoker.go
index 02c7785103d383c46b821848eecc9fabf3664cd3..278881820e864f643d8a6cf69432d0b089012cd6 100644
--- a/protocol/dubbo/dubbo_invoker.go
+++ b/protocol/dubbo/dubbo_invoker.go
@@ -53,13 +53,16 @@ func (di *DubboInvoker) Invoke(invocation protocol.Invocation) protocol.Result {
 		} else {
 			result.Err = di.client.CallOneway(url.Location, url, inv.MethodName(), inv.Arguments())
 		}
+		log.Debug("result.Err: %v, result.Rest: %v", result.Err, result.Rest)
 	} else {
 		if inv.Reply() == nil {
 			result.Err = Err_No_Reply
 		} else {
+
 			result.Err = di.client.Call(url.Location, url, inv.MethodName(), inv.Arguments(), inv.Reply())
 			result.Rest = inv.Reply() // reply should be set to result.Rest when sync
 		}
+		log.Debug("result.Err: %v, result.Rest: %v", result.Err, result.Rest)
 	}
 
 	return &result
diff --git a/protocol/jsonrpc/jsonrpc_invoker.go b/protocol/jsonrpc/jsonrpc_invoker.go
index 9e5313c7ef7da7d46c81675be4a709f1a4e7560f..5aaf955c1748694f97d5dee6f1a53c9a790de74b 100644
--- a/protocol/jsonrpc/jsonrpc_invoker.go
+++ b/protocol/jsonrpc/jsonrpc_invoker.go
@@ -46,6 +46,7 @@ func (ji *JsonrpcInvoker) Invoke(invocation protocol.Invocation) protocol.Result
 		log.Error("client.Call() return error:%+v", jerrors.ErrorStack(err))
 		result.Err = err
 	} else {
+		log.Debug("result: %v", inv.Reply())
 		result.Rest = inv.Reply()
 	}
 
diff --git a/registry/directory/directory.go b/registry/directory/directory.go
index aed91a67be31c1571a65d4efe0c13357ad2d8867..9124d94a0bddc18a769af8865ae9d156ac08408b 100644
--- a/registry/directory/directory.go
+++ b/registry/directory/directory.go
@@ -175,7 +175,6 @@ func (dir *RegistryDirectory) uncacheInvoker(url config.URL) *sync.Map {
 }
 
 func (dir *RegistryDirectory) cacheInvoker(url config.URL) *sync.Map {
-
 	referenceUrl := dir.GetUrl().SubURL
 	newCacheInvokers := dir.cacheInvokersMap
 	//check the url's protocol is equal to the protocol which is configured in reference config or referenceUrl is not care about protocol