diff --git a/registry/zookeeper/listener_test.go b/registry/zookeeper/listener_test.go
index 20ec1cf69a65601e5dd8351083ce23edfb67d10c..cc8d90ed1021876a9ee9d18e19a9f83e3c5d305c 100644
--- a/registry/zookeeper/listener_test.go
+++ b/registry/zookeeper/listener_test.go
@@ -31,6 +31,7 @@ import (
 	"github.com/apache/dubbo-go/remoting"
 )
 
+// Test_DataChange test data change event of zk listenerg
 func Test_DataChange(t *testing.T) {
 	listener := NewRegistryDataListener()
 	url, _ := common.NewURL("jsonrpc%3A%2F%2F127.0.0.1%3A20001%2Fcom.ikurento.user.UserProvider%3Fanyhost%3Dtrue%26app.version%3D0.0.1%26application%3DBDTService%26category%3Dproviders%26cluster%3Dfailover%26dubbo%3Ddubbo-provider-golang-1.3.0%26environment%3Ddev%26group%3D%26interface%3Dcom.ikurento.user.UserProvider%26ip%3D10.32.20.124%26loadbalance%3Drandom%26methods.GetUser.loadbalance%3Drandom%26methods.GetUser.retries%3D1%26methods.GetUser.weight%3D0%26module%3Ddubbogo%2Buser-info%2Bserver%26name%3DBDTService%26organization%3Dikurento.com%26owner%3DZX%26pid%3D74500%26retries%3D0%26service.filter%3Decho%26side%3Dprovider%26timestamp%3D1560155407%26version%3D%26warmup%3D100")