private void DisplayChallengeState() { var surplusTime = NormalDungeon.Instance.surplurTime.Fetch(); m_SingleChallenge.SetState(surplusTime > 0 ? ButtonEx.State.Normal : ButtonEx.State.Disable); m_TeamChallenge.SetState(surplusTime > 0 ? ButtonEx.State.Normal : ButtonEx.State.Disable); m_Sweep.SetState(surplusTime > 0 ? ButtonEx.State.Normal : ButtonEx.State.Disable); }