public MainForm()
{
Server.OnStart();
InitializeComponent();
exportHostDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
Program.InitSettings();
InitTrayMenu(trayIconMenu);
InitToolMenu();
Text = $@"{_assemblyName.Name} - v{_assemblyName.Version}";
#if DEBUG
Text += @" 调试版";
#else
Text += @" 正式版";
#endif
InitHostsTree();
}