到购买二级宝石的时间，刷新下购买按钮显示

chenxin

2020-12-08 ff228d1c9534d6e66b241563fd31eb81af8a38d2

 Assets/Scripts/TowerDefense/Towers/TowerFireTrigger.cs

@@ -18,7 +18,6 @@

        public void OnFire()
        {
            // cx test
            // if (!isStart)
            // {
            //     isStart = true;