public static void Show(string msg, Callback onend = null)
{
if (Instance != null)
{
Instance.doShow(msg, onend);
}
if (prefab == null)
{
prefab = Resources.Load("Ctrl/MessageLine") as GameObject;
}
Extension.AddPrefab <MessageLine> (null, GameObject.Find("MsgRoot"), prefab).doShow(msg, onend);
}
