优化 CentOS7 防火墙下acme.sh可能出现的潜在错误

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 - v2.4.19-beta4" Height="675" Width="650">
+        Title="ProxySU - v2.4.19-beta5" Height="675" Width="650">
     <!--以下样式参考自：https://yq.aliyun.com/articles/331878
 	https://docs.microsoft.com/en-us/dotnet/desktop-wpf/fundamentals/styles-templates-overview-->
     <Window.Resources>

ProxySU/MainWindow.xaml.cs

@@ -8024,6 +8024,9 @@ namespace ProxySU
             string openFireWallPort = ReceiveConfigurationParameters[1];
             if (String.IsNullOrEmpty(client.RunCommand("command -v firewall-cmd").Result) == false)
             {
+                //有很奇怪的vps主机，在firewalld未运行时，端口是关闭的，无法访问。所以要先启动firewalld
+                sshShellCommand = @"systemctl restart firewalld";
+                currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
                 if (String.Equals(openFireWallPort, "443"))
                 {
                     sshShellCommand = @"firewall-cmd --zone=public --add-port=80/tcp --permanent";

ProxySU/ResultClientInformation.xaml.cs

@@ -1724,7 +1724,7 @@ namespace ProxySU
             if (File.Exists($"v2ray_config\\{plainSavePath}\\config.json"))
             {
                 File.Move($"v2ray_config\\{plainSavePath}\\config.json", $"{configSavePath}\\config.json");
-                //Directory.Delete($"v2ray_config\\{plainSavePath}");
+                Directory.Delete($"v2ray_config\\{plainSavePath}");
             }
 
             using (StreamWriter sw = new StreamWriter($"{configSavePath}\\readme.txt"))