同步探测本地星尘代理时，捕获超时异常，避免误导用户以为其它业务功能异常

Stardust/LocalStarClient.cs

@@ -60,7 +60,7 @@ namespace Stardust
         /// <returns></returns>
         public AgentInfo GetInfo()
         {
-            var task = GetInfoAsync();
+            var task = GetInfoAsync().ContinueWith<AgentInfo>(t => null, TaskContinuationOptions.OnlyOnFaulted);
             if (task.Wait(500)) return task.Result;
 
             return null;

Test/Program.cs

@@ -22,7 +22,7 @@ namespace Test
         {
             XTrace.UseConsole();
 
-            Test3();
+            Test6();
 
             Console.WriteLine("OK!");
             Console.ReadKey();
@@ -146,5 +146,20 @@ namespace Test
                 XTrace.WriteLine(item.ToJson());
             }
         }
+
+        static async void Test6()
+        {
+            var client = new LocalStarClient();
+            client.GetInfo();
+
+            try
+            {
+                await client.GetInfoAsync();
+            }
+            catch (Exception ex)
+            {
+                XTrace.Log.Error("星尘探测失败！{0}", ex.Message);
+            }
+        }
     }
 }