diff --git a/pkg/grpc-etcdv3/getcdv3/resolver.go b/pkg/grpc-etcdv3/getcdv3/resolver.go
index 229d201e1..bc3ae1f9a 100644
--- a/pkg/grpc-etcdv3/getcdv3/resolver.go
+++ b/pkg/grpc-etcdv3/getcdv3/resolver.go
@@ -159,20 +159,20 @@ func (r *Resolver) watch(prefix string, addrList []resolver.Address) {
 				if !exists(addrList, string(ev.Kv.Value)) {
 					flag = 1
 					addrList = append(addrList, resolver.Address{Addr: string(ev.Kv.Value)})
-					//log.Debug("", "after add, new list: ", addrList)
+					log.Debug("", "after add, new list: ", addrList)
 				}
 			case mvccpb.DELETE:
-				//log.Debug("remove addr key: ", string(ev.Kv.Key), "value:", string(ev.Kv.Value))
+				log.Debug("remove addr key: ", string(ev.Kv.Key), "value:", string(ev.Kv.Value))
 				i := strings.LastIndexAny(string(ev.Kv.Key), "/")
 				if i < 0 {
 					return
 				}
 				t := string(ev.Kv.Key)[i+1:]
-				//log.Debug("remove addr key: ", string(ev.Kv.Key), "value:", string(ev.Kv.Value), "addr:", t)
+				log.Debug("remove addr key: ", string(ev.Kv.Key), "value:", string(ev.Kv.Value), "addr:", t)
 				if s, ok := remove(addrList, t); ok {
 					flag = 1
 					addrList = s
-					//log.Debug("after remove, new list: ", addrList)
+					log.Debug("after remove, new list: ", addrList)
 				}
 			}
 		}