public override bool Update(T item, DataFilter filter)
        {
            item.ExtendData = JsonConvert.SerializeObject(item);
            bool result = WidgetBaseService.Update(item, filter);

            Signal.Trigger(CacheTrigger.WidgetChanged);
            return(result);
        }
        public override bool Update(T item, params object[] primaryKeys)
        {
            item.ExtendData = JsonConvert.SerializeObject(item);
            bool result = WidgetBaseService.Update(item, primaryKeys);

            Signal.Trigger(CacheTrigger.WidgetChanged);
            return(result);
        }