diff --git a/registry/directory/directory.go b/registry/directory/directory.go
index 6a5a194391d8b2d56b22b67e395703285fbf28b8..11687f82ee5fe0dba6f2bca38b6454ee9c666d91 100644
--- a/registry/directory/directory.go
+++ b/registry/directory/directory.go
@@ -116,7 +116,7 @@ func (dir *registryDirectory) Subscribe(url common.URL) {
 }
 
 //subscribe service from registry , and update the cacheServices
-func (dir *registryDirectory) /**/ update(res *registry.ServiceEvent) {
+func (dir *registryDirectory) update(res *registry.ServiceEvent) {
 	if res == nil {
 		return
 	}