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

        try
        {
            ToLua.CheckArgsCount(L, 6);
            GameObject go         = (GameObject)ToLua.CheckUnityObject(L, 1, typeof(GameObject));
            int        tweenGroup = (int)LuaDLL.luaL_checknumber(L, 2);
            float      from       = (float)LuaDLL.luaL_checknumber(L, 3);
            float      to         = (float)LuaDLL.luaL_checknumber(L, 4);
            float      duration   = (float)LuaDLL.luaL_checknumber(L, 5);
            float      delay      = (float)LuaDLL.luaL_checknumber(L, 6);
            TweenUtil.SetTweenAlphaInfoByTweenGroup(go, tweenGroup, from, to, duration, delay);
            result = 0;
        }
        catch (Exception e)
        {
            result = LuaDLL.toluaL_exception(L, e, null);
        }
        return(result);
    }