/// <summary>
 /// 构造方法
 /// </summary>
 /// <param name="session">会话</param>
 /// <param name="context">上下文</param>
 public ActivityDelegateService(IDbSession session, DelegateContext context)
     : base(session, context)
 {
 }
 /// <summary>
 /// 构造方法
 /// </summary>
 /// <param name="session">会话</param>
 /// <param name="context">上下文</param>
 public ProcessDelegateService(IDbSession session, DelegateContext context)
     : base(session, context)
 {
 }