因为没有重载
 protected override void InitializeCulture()
    {
        // 获取当前Culture的值
        string s = Request.QueryString["currentculture"];
        if (!String.IsNullOrEmpty(s))
        {
            System.Threading.Thread.CurrentThread.CurrentUICulture = new System.Globalization.CultureInfo(s);
            System.Threading.Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.CreateSpecificCulture(s);
        }
    }