public async Task <JsonResult> QUAGetByQQID(string id, string qqid)
{
try {
var data = QuizUserAnswerService.GetByQTIDQQID(Guid.Parse(id), Guid.Parse(qqid));
return(Success(QuizUserAnswerVM.MToVM(data)));
} catch { return(Failed(MessageUtility.ServerError())); }
}