private static void TestSlave()
{
StorageNode storageNode = FastDFSClient.GetStorageNodeAsync("group1").Result;
var str = "http://locahost/group1/M00/00/00/oYYBAFvcGZ2AGBAbAAAUa4KwmUU269.png";
var by = GetFileBytes("testimage/1.jpg");
var url = FastDFSClient.UploadSlaveFileAsync(storageNode, "M00/00/00/oYYBAFvcGZ2AGBAbAAAUa4KwmUU269.png",
"_10x10", by, "jpg", CancellationToken.None).GetAwaiter().GetResult();
Console.WriteLine(url);
}