improvement websocket according to gorilla example

dbm/subscribe.go

@@ -54,7 +54,6 @@ func (d *DBMHandler) Subscribe(req *json_dataModels.Request, id string) {
 			})
 		}
 	}
-
 	if err := d.Conns.SendResponse(id, resp); err != nil {
 		d.Log.Error("subscribe.Subscribe", err.Error())
 	}