diff --git a/registry/etcdv3/listener.go b/registry/etcdv3/listener.go
index e1b1e8dc805966a23ac589fe363da324a707ccb4..f900495f97d3acfd9a2ae232264910b791961bc8 100644
--- a/registry/etcdv3/listener.go
+++ b/registry/etcdv3/listener.go
@@ -121,7 +121,6 @@ func (l *configurationListener) Next() (*registry.ServiceEvent, error) {
 }
 
 // Close etcd registry center
-// BugFix why no real close
 func (l *configurationListener) Close() {
 	l.closeOnce.Do(func() {
 		l.registry.WaitGroup().Done()