public void TestMethod2()
{
FeedViewModel feed = new FeedViewModel();
feed.Link = new Uri("http://www.shisujie.com/rss?containerid=31");
feed.Name = "奇葩史";
feed.RefreshAsync().Wait();
List <FeedViewModel> feeds = new List <FeedViewModel>();
feeds.Add(feed);
var withoutwait = feeds.SaveAsync();
feed.OfflineFeed();
}