public async Task <Result <ContentPageManageModel> > GetContentPage(int id)
 {
     if (id == 0)
     {
         var now = DateTime.Now;
         return(new ContentPageManageModel()
         {
             Template = String.Empty,
             CategoryIds = new List <int>(),
             StatusCode = RecordStatusCode.NotActive,
             Assigned = CustomerTypeCode.All,
         });
     }
     return(new ContentPageManageModel((await contentPageService.GetContentPageAsync(id))));
 }