Update Program.cs

Author: JusterZhu

src/c#/GeneralUpdate.Client/Program.cs

@@ -78,7 +78,7 @@ private static void Main(string[] args)
             GeneralClientOSS.Start(paramsOSS);*/
 
 
-            var hub = new UpgradeHubService("http://localhost:5008/UpgradeHub");
+            IUpgradeHubService hub = new UpgradeHubService("http://localhost:5008/UpgradeHub", null, "GeneralUpdate");
             hub.AddReceiveListener(Receive);
             hub.StartAsync().Wait();