diff --git a/src/job_manager.go b/src/job_manager.go
index cf0393b..b1b297b 100644
--- a/src/job_manager.go
+++ b/src/job_manager.go
@@ -340,6 +340,9 @@ func (jm *JobManager) stop(force bool) MsgStop {
 				log.Warn(res)
 				return
 			}
+			if res.Code != 0 {
+				log.Warn(res.Error)
+			}
 
 		}(taskStatus)
 	}
diff --git a/src/main.go b/src/main.go
index 7758353..5aa2328 100644
--- a/src/main.go
+++ b/src/main.go
@@ -145,6 +145,7 @@ func serverAPI(w http.ResponseWriter, r *http.Request) {
 		break
 
 	case "group_remove":
+		/* TODO: rearrange jobs to other queues */
 		log.Debug("group_remove")
 		var group Group
 		msg := MsgGroupCreate{Code: 0}