public IEnumerator Request(RequestParam param) { WWW www = new WWW(TextUrl, param.Request); yield return(www); if (www.isDone && www.error == null) { param.Response = www.text; //Debug.Log(TextUrl); //Debug.Log(www.text); param.callBack(param); } else { Debug.Log("err:" + www.error == null ? "www not done.":www.error); } }