/// <summary>
 /// 添加服务运行时服务。
 /// </summary>
 /// <param name="builder">服务构建者。</param>
 /// <returns>服务构建者。</returns>
 public static IServiceBuilder AddServiceRuntime(this IServiceBuilder builder)
 {
     builder.Services.RegisterType(typeof(DefaultServiceEntryLocate)).As(typeof(IServiceEntryLocate)).SingleInstance();
     builder.Services.RegisterType(typeof(DefaultServiceExecutor)).As(typeof(IServiceExecutor)).SingleInstance();
     return(builder.AddRuntime());
 }