修复潜在的可能出现域名检测错误 #71

Author: proxysu

ProxySU/MainWindow.xaml

@@ -5,7 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:ProxySU"
         mc:Ignorable="d"
-        Title="ProxySU - v2.5.3 Beta1" Height="675" Width="660">
+        Title="ProxySU - v2.5.3 Beta2" Height="675" Width="660">
     <!--以下样式参考自：https://yq.aliyun.com/articles/331878
 	https://docs.microsoft.co/en-us/dotnet/desktop-wpf/fundamentals/styles-templates-overview-->
     <Window.Resources>

ProxySU/MainWindow.xaml.cs

@@ -9941,7 +9941,8 @@ private bool DomainResolutionCurrentIPDetect(SshClient client)
             {
                 string nativeIp = ipv4;
 
-                sshShellCommand = "ping " + ReceiveConfigurationParameters[4] + " -c1 | grep -oE -m1 \"([0-9]{1,3}\\.){3}[0-9]{1,3}\"";
+                //sshShellCommand = "ping " + ReceiveConfigurationParameters[4] + " -c1 | grep -oE -m1 \"([0-9]{1,3}\\.){3}[0-9]{1,3}\"";
+                sshShellCommand = $"dig @resolver1.opendns.com A {ReceiveConfigurationParameters[4]} +short -4";
                 currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
 
                 string resultTestDomainCmd = currentShellCommandResult.TrimEnd('\r', '\n');