diff --git a/pkg/grpc-etcdv3/getcdv3/register.go b/pkg/grpc-etcdv3/getcdv3/register.go
index c9f1b44a9..aa3ba3072 100644
--- a/pkg/grpc-etcdv3/getcdv3/register.go
+++ b/pkg/grpc-etcdv3/getcdv3/register.go
@@ -38,7 +38,7 @@ func RegisterEtcd4Unique(schema, etcdAddr, myHost string, myPort int, serviceNam
 }
 
 func GetTarget(schema, myHost string, myPort int, serviceName string) string {
-	return GetPrefix(schema, serviceName) + ":" + net.JoinHostPort(myHost, strconv.Itoa(myPort)) + "/"
+	return GetPrefix4Unique(schema, serviceName) + ":" + net.JoinHostPort(myHost, strconv.Itoa(myPort)) + "/"
 }
 
 //etcdAddr separated by commas