private void btnAutoFixAngle_Click(object sender, RoutedEventArgs e)
        {
            int angle = 0;

            try
            {
                angle = int.Parse(txtFixAngle.Text.Trim());
                if ((angle < 0) || (angle > 180))
                {
                    UpdateInfo("輸入角度不正確", MyUtil.UTIL.InfoType.error);
                    return;
                }
            }
            catch (Exception)
            {
                UpdateInfo("輸入角度不正確", MyUtil.UTIL.InfoType.error);
                return;
            }

            byte id = (byte)activeServo;

            if (UBT.V2_SetAngle(id, (byte)angle, 0))
            {
                UBT.V2_MoveServo(id, (byte)angle, 50);
            }
            UBT.LockServo(id, true);
            UpdateActiveServo();
        }