void Info_update()
    {
        GameObject obj = GameObject.Find("mainslider");

        if (obj == null)
        {
            Debug.Log("No Slider Object.");
        }
        else
        {
            Debug.Log("Slider Object.");
        }
        Slider mainslider = (Slider)obj.GetComponent <Slider>();

        // 设置进度条开始拍数和结束拍数


        GameObject obj1 = GameObject.Find("num");

        if (obj1 == null)
        {
            Debug.Log("No num Object.");
        }
        else
        {
            Debug.Log("num Object.");
        }
        Text num = (Text)obj1.GetComponent <Text>();

        num.text = mainslider.value.ToString() + "/" + mainslider.maxValue.ToString();

        int step = (int)mainslider.value;
        //Debug.Log("step" + step);

        GameObject obj2 = GameObject.Find("B0_vl");

        if (obj1 == null)
        {
            Debug.Log("No B0_vl Object.");
        }
        else
        {
            Debug.Log("B0_vl Object.");
        }
        Text B0_vl = (Text)obj2.GetComponent <Text>();

        Debug.Log("++");

        //B0_vl.text = dr.Index(step).BlueRobot[0].pos.x.ToString();
        B0_vl.text = "0";
        // MatchInfo
        Event.Send(Event.EventType1.ReplayInfoUpdate, dr.Index(step));
    }