private static int AlphaUGUI(IntPtr L)
    {
        int result;

        try
        {
            ToLua.CheckArgsCount(L, 7);
            GameObject  gameObject = (GameObject)ToLua.CheckUnityObject(L, 1, typeof(GameObject));
            float       to         = (float)LuaDLL.luaL_checknumber(L, 2);
            float       time       = (float)LuaDLL.luaL_checknumber(L, 3);
            int         type       = (int)LuaDLL.luaL_checknumber(L, 4);
            float       delay      = (float)LuaDLL.luaL_checknumber(L, 5);
            LuaFunction finishToDo = ToLua.CheckLuaFunction(L, 6);
            object      para       = ToLua.ToVarObject(L, 7);
            TweenUtil.AlphaUGUI(gameObject, to, time, type, delay, finishToDo, para);
            result = 0;
        }
        catch (Exception e)
        {
            result = LuaDLL.toluaL_exception(L, e, null);
        }
        return(result);
    }