diff --git a/config/reference_config.go b/config/reference_config.go
index ffb9bfa85cdf95fd5bbfac424463367e985fdda0..78db262220a5dca3e0e55d0aef8ed1ce385430f5 100644
--- a/config/reference_config.go
+++ b/config/reference_config.go
@@ -87,7 +87,7 @@ func (refconfig *ReferenceConfig) Refer() {
 				refconfig.urls = append(refconfig.urls, &serviceUrl)
 			} else {
 				if serviceUrl.Path == "" {
-					serviceUrl.Path = "/" + refconfig.InterfaceName 
+					serviceUrl.Path = "/" + refconfig.InterfaceName
 				}
 				// merge url need to do
 				newUrl := common.MergeUrl(serviceUrl, url)