diff --git a/README.md b/README.md
index 24f9f894adb54e4eb7ff13e3ea128c477d0dc6cf..56408df75d92ffeeb551bcd270d4878bea458cb7 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Finished List:
 - Transport: HTTP, TCP
 - Codec: JsonRPC v2, Hessian v2
 - Registry: ZooKeeper/[etcd v3](https://github.com/apache/dubbo-go/pull/148)/[nacos](https://github.com/apache/dubbo-go/pull/151)/[consul](https://github.com/apache/dubbo-go/pull/121)
-- Configure Center: Zookeeper
+- Dynamic Configure Center & Service Management Configurator: Zookeeper
 - Cluster Strategy: Failover/[Failfast](https://github.com/apache/dubbo-go/pull/140)/[Failsafe/Failback](https://github.com/apache/dubbo-go/pull/136)/[Available](https://github.com/apache/dubbo-go/pull/155)/[Broadcast](https://github.com/apache/dubbo-go/pull/158)/[Forking](https://github.com/apache/dubbo-go/pull/161)
 - Load Balance: Random/[RoundRobin](https://github.com/apache/dubbo-go/pull/66)/[LeastActive](https://github.com/apache/dubbo-go/pull/65)
 - Filter: Echo Health Check/[Circuit break and service downgrade](https://github.com/apache/dubbo-go/pull/133)/[TokenFilter](https://github.com/apache/dubbo-go/pull/202)/[AccessLogFilter](https://github.com/apache/dubbo-go/pull/214)
@@ -43,7 +43,7 @@ Working List:
 - Filter: CountFilter/ExecuteLimitFilter/TpsLimitFilter
 - Registry: k8s
 - Configure Center: apollo
-- Dynamic Configuration Center & Metadata Center (dubbo v2.7.x)
+- Metadata Center (dubbo v2.7.x)
 - Metrics: Promethus(dubbo v2.7.x)
 
 Todo List:
@@ -64,6 +64,19 @@ TODO
 
 ## Running unit tests
 
+### Prepare
+
+Mac/Linux
+```bash
+sh ./before_ut.sh
+```
+
+Windows
+```bash
+before_ut.bat
+```
+
+# Run
 ```bash
 go test ./...
 
diff --git a/README_CN.md b/README_CN.md
index 28243a9e9e4dc2e03e006451b00360bf3ef19e23..4bd69d9c1e1f94c23e6c67b27618cc82ecc81ab5 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -30,7 +30,7 @@ Apache License, Version 2.0
 - 传输协议: HTTP, TCP
 - 序列化协议: JsonRPC v2, Hessian v2
 - 注册中心: ZooKeeper/[etcd v3](https://github.com/apache/dubbo-go/pull/148)/[nacos](https://github.com/apache/dubbo-go/pull/151)/[consul](https://github.com/apache/dubbo-go/pull/121)
-- 配置中心: Zookeeper
+- 动态配置中心与服务治理配置器（config center）: Zookeeper
 - 集群策略: Failover/[Failfast](https://github.com/apache/dubbo-go/pull/140)/[Failsafe/Failback](https://github.com/apache/dubbo-go/pull/136)/[Available](https://github.com/apache/dubbo-go/pull/155)/[Broadcast](https://github.com/apache/dubbo-go/pull/158)/[Forking](https://github.com/apache/dubbo-go/pull/161)
 - 负载均衡策略: Random/[RoundRobin](https://github.com/apache/dubbo-go/pull/66)/[LeastActive](https://github.com/apache/dubbo-go/pull/65)
 - 过滤器: Echo Health Check/[服务熔断&降级](https://github.com/apache/dubbo-go/pull/133)/[TokenFilter](https://github.com/apache/dubbo-go/pull/202)/[AccessLogFilter](https://github.com/apache/dubbo-go/pull/214)
@@ -43,7 +43,7 @@ Apache License, Version 2.0
 - 过滤器: CountFilter/ExecuteLimitFilter/TpsLimitFilter
 - 注册中心: k8s
 - 配置中心: apollo
-- 动态配置中心 & 元数据中心 (dubbo v2.7.x)
+- 元数据中心 (dubbo v2.7.x)
 - Metrics: Promethus(dubbo v2.7.x)
 
 任务列表:
@@ -64,10 +64,23 @@ TODO
 
 ## 运行单测
 
+### 准备
+
+Mac/Linux
+```bash
+sh ./before_ut.sh
+```
+
+Windows
+```bash
+before_ut.bat
+```
+
+# 执行
 ```bash
 go test ./...
 
-# 覆盖率
+# coverage
 go test ./... -coverprofile=coverage.txt -covermode=atomic
 ```
 
diff --git a/before_ut.bat b/before_ut.bat
new file mode 100644
index 0000000000000000000000000000000000000000..a10df71a7eeb2eadb9d86574dc374b14a4f74e05
--- /dev/null
+++ b/before_ut.bat
@@ -0,0 +1,5 @@
+set zkJar=zookeeper-3.4.9-fatjar.jar
+md remoting\zookeeper\zookeeper-4unittest\contrib\fatjar config_center\zookeeper\zookeeper-4unittest\contrib\fatjar registry\zookeeper\zookeeper-4unittest\contrib\fatjar
+curl -L https://github.com/dubbogo/resources/raw/master/zookeeper-4unitest/contrib/fatjar/%zkJar% -o remoting/zookeeper/zookeeper-4unittest/contrib/fatjar/%zkJar%
+xcopy /f "remoting/zookeeper/zookeeper-4unittest/contrib/fatjar/%zkJar%" "config_center/zookeeper/zookeeper-4unittest/contrib/fatjar/"
+xcopy /f "remoting/zookeeper/zookeeper-4unittest/contrib/fatjar/%zkJar%" "registry/zookeeper/zookeeper-4unittest/contrib/fatjar/"
\ No newline at end of file
diff --git a/registry/directory/directory.go b/registry/directory/directory.go
index b6794e2ebf212ec024d73335ddb19441afa5b96e..e88c611f6f20bc182c3630e328caab848affc08b 100644
--- a/registry/directory/directory.go
+++ b/registry/directory/directory.go
@@ -38,6 +38,7 @@ import (
 	"github.com/apache/dubbo-go/protocol"
 	"github.com/apache/dubbo-go/protocol/protocolwrapper"
 	"github.com/apache/dubbo-go/registry"
+	"github.com/apache/dubbo-go/remoting"
 )
 
 type Options struct {
@@ -119,20 +120,19 @@ func (dir *registryDirectory) refreshInvokers(res *registry.ServiceEvent) {
 			url = nil
 			//TODO: router
 		}
+		switch res.Action {
+		case remoting.EventTypeAdd, remoting.EventTypeUpdate:
+			//dir.cacheService.EventTypeAdd(res.Path, dir.serviceTTL)
+			dir.cacheInvoker(url)
+		case remoting.EventTypeDel:
+			//dir.cacheService.EventTypeDel(res.Path, dir.serviceTTL)
+			dir.uncacheInvoker(url)
+			logger.Infof("selector delete service url{%s}", res.Service)
+		default:
+			return
+		}
 	}
-	//
-	//switch res.Action {
-	//case remoting.EventTypeAdd:
-	//	//dir.cacheService.EventTypeAdd(res.Path, dir.serviceTTL)
-	//	dir.cacheInvoker(&res.Service)
-	//case remoting.EventTypeDel:
-	//	//dir.cacheService.EventTypeDel(res.Path, dir.serviceTTL)
-	//	dir.uncacheInvoker(&res.Service)
-	//	logger.Infof("selector delete service url{%s}", res.Service)
-	//default:
-	//	return
-	//}
-	dir.cacheInvoker(url)
+
 	newInvokers := dir.toGroupInvokers()
 	dir.listenerLock.Lock()
 	defer dir.listenerLock.Unlock()