diff --git a/SimpleUpdater/FSLib.App.SimpleUpdater/MultiServerUpdater.cs b/SimpleUpdater/FSLib.App.SimpleUpdater/MultiServerUpdater.cs
index 5cedd40..7552bd6 100644
--- a/SimpleUpdater/FSLib.App.SimpleUpdater/MultiServerUpdater.cs
+++ b/SimpleUpdater/FSLib.App.SimpleUpdater/MultiServerUpdater.cs
@@ -79,22 +79,14 @@ bool PeekNextServer()
 		/// </summary>
 		protected override void OnError()
 		{
-			var ex = Context.Exception;
-
-			if (ex is WebException)
+			if (PeekNextServer())
 			{
-				if (PeekNextServer())
-				{
-					Trace.TraceWarning("尝试更新时出现服务器错误，且服务器已遍历完成。");
-				}
-				else
-				{
-					Trace.TraceWarning("尝试更新时出现服务器错误。正尝试自动切换至其它的服务器节点。已切换至 " + Context.UpdateDownloadUrl);
-					base.BeginCheckUpdateInProcess();
-				}
+				Trace.TraceWarning("尝试更新时出现服务器错误。正尝试自动切换至其它的服务器节点。已切换至 " + Context.UpdateDownloadUrl);
+				base.BeginCheckUpdateInProcess();
 			}
 			else
 			{
+				Trace.TraceWarning("尝试更新时出现服务器错误，且服务器已遍历完成。");
 				base.OnError();
 			}
 		}
diff --git a/SimpleUpdater/FSLib.App.SimpleUpdater/Updater.cs b/SimpleUpdater/FSLib.App.SimpleUpdater/Updater.cs
index 5c08e00..cb99e2c 100644
--- a/SimpleUpdater/FSLib.App.SimpleUpdater/Updater.cs
+++ b/SimpleUpdater/FSLib.App.SimpleUpdater/Updater.cs
@@ -249,6 +249,8 @@ void DownloadUpdateInfoInternal(object sender, RunworkEventArgs e)
 					//等待下载完成
 					wHandler.WaitOne();
 				}
+				if (ex != null) throw ex;
+
 				Trace.TraceInformation("服务器返回数据----->" + (data == null ? "<null>" : data.Length.ToString() + "字节"));
 				if (data != null && data.Length > 0x10)
 				{
@@ -267,8 +269,6 @@ void DownloadUpdateInfoInternal(object sender, RunworkEventArgs e)
 					throw new ApplicationException("服务器返回了不正确的更新结果");
 				}
 
-
-				if (ex != null) throw ex;
 			}
 			e.PostEvent(OnDownloadUpdateInfoFinished);
 			if ((Context.UpdateInfo = XMLSerializeHelper.XmlDeserializeFromString<UpdateInfo>(Context.UpdateInfoTextContent)) == null)