获取最快服务器逻辑优化，3次测速改为4次，第一次为预热，中国服务器增加5ms的延迟误差，

Vinno.vCloud.Common.FIS/vCloudTerminalBuilder.cs

@@ -75,7 +75,15 @@ namespace Vinno.vCloud.Common.FIS
                         }
                         else
                         {
-                            if (speedResults[fasterServer] > result.Value)
+                            if (fasterServer.Host == "cloud.xinglinghui.com" && speedResults[fasterServer] > result.Value + 5)
+                            {
+                                fasterServer = result.Key;
+                            }
+                            else if (result.Key.Host == "cloud.xinglinghui.com" && speedResults[fasterServer] > result.Value - 5)
+                            {
+                                fasterServer = result.Key;
+                            }
+                            else if (speedResults[fasterServer] > result.Value)
                             {
                                 fasterServer = result.Key;
                             }
@@ -170,7 +178,7 @@ namespace Vinno.vCloud.Common.FIS
                     }
                     var successTimes = 0;
                     var totalTime = 0;
-                    for (var i = 0; i < 3; i++)
+                    for (var i = 0; i < 4; i++)//第一次为预热
                     {
                         if (i > 0)
                         {
@@ -186,7 +194,7 @@ namespace Vinno.vCloud.Common.FIS
                             {
                                 var content = result.Content.ReadAsStringAsync()?.Result;
                                 stopWatch.Stop();
-                                if (result.IsSuccessStatusCode && content.Length > 0)
+                                if (result.IsSuccessStatusCode && content.Length > 0 && i > 0)
                                 {
                                     Logger.WriteLineInfo($"Connect serverUrl:{serverUrl}, spend time:{stopWatch.ElapsedMilliseconds}ms");
                                     totalTime += (int)stopWatch.ElapsedMilliseconds;

Vinno.vCloud.Common.FIS/vCloudTerminalBuilderV2.cs

@@ -218,7 +218,7 @@ namespace Vinno.vCloud.Common.FIS
                     var stopWatch = new Stopwatch();
                     var successTimes = 0;
                     var totalTime = 0;
-                    for (var i = 0; i < 3; i++)
+                    for (var i = 0; i < 4; i++)//第一次为预热
                     {
                         if (i > 0)
                         {
@@ -231,7 +231,7 @@ namespace Vinno.vCloud.Common.FIS
                         {
                             var result = JsonRpcHelper.Echo(vinnoServerService);
                             stopWatch.Stop();
-                            if (result != null && result.Code == 0)
+                            if (result != null && result.Code == 0 && i > 0)
                             {
                                 Logger.WriteLineInfo($"Connect serverUrl:{serverUrl}, spend time:{stopWatch.ElapsedMilliseconds}ms");
                                 totalTime += (int)stopWatch.ElapsedMilliseconds;