不需要命令InstallUtil 安装windows服务

public partial class QYService : ServiceBase
    {
        public QYService()
        {
            this.ServiceName = "QYService";
        }        protected override void OnStart(string[] args)
        {
            Process.Start("test.bat");
        }        protected override void OnStop()
        {
            // TODO: 在此处添加代码以执行停止服务所需的关闭操作。
        }
    }------------------------------------------------------------------ [RunInstallerAttribute(true)]
    public partial class ProjectInstaller : Installer
    {
        private System.ServiceProcess.ServiceProcessInstaller serviceProcessInstaller;
        private System.ServiceProcess.ServiceInstaller serviceInstaller;        public ProjectInstaller()
        {
            this.serviceProcessInstaller = new System.ServiceProcess.ServiceProcessInstaller();
            this.serviceInstaller = new System.ServiceProcess.ServiceInstaller();
            // 
            // serviceProcessInstaller
            // 
            this.serviceProcessInstaller.Account = System.ServiceProcess.ServiceAccount.LocalSystem;
            this.serviceProcessInstaller.Password = null;
            this.serviceProcessInstaller.Username = null;
            // 
            // serviceInstaller
            // 
            this.serviceInstaller.ServiceName = "QYService";
            this.serviceInstaller.StartType = System.ServiceProcess.ServiceStartMode.Automatic;
            // 
            // ProjectInstaller
            // 
            this.Installers.AddRange(new System.Configuration.Install.Installer[] {
            this.serviceProcessInstaller,this.serviceInstaller});
        }    }-----------------------------------------------
static void Main()
        {
            TransactedInstaller transactedInstaller = new TransactedInstaller();
            ProjectInstaller installer = new ProjectInstaller();
            transactedInstaller.Installers.Add(installer);
            string path = string.Format("/assemblypath ={0}", System.Reflection.Assembly.GetExecutingAssembly().Location);
            string[] cmdline = { path };
            InstallContext installContext = new InstallContext("Install.log", cmdline);
            transactedInstaller.Context = installContext;
            System.Diagnostics.Debug.WriteLine(path);
            transactedInstaller.Install(new Hashtable()); //执行安装时出错            ServiceBase[] ServicesToRun;            // 同一进程中可以运行多个用户服务。若要将
            // 另一个服务添加到此进程中，请更改下行以
            // 创建另一个服务对象。例如，
            //
            //   ServicesToRun = new ServiceBase[] {new Service1(), new MySecondUserService()};
            //
            ServicesToRun = new ServiceBase[] { new QYService() };            ServiceBase.Run(ServicesToRun);
          
        } 
在main函数中执行安装时出错     !!!