NSInteger ret = [_bdSpeechSynthesizer startTTSEngine: textDatfile

                                          speechDataPath: speechDatfile

                                         licenseFilePath: nil

                                             withAppCode: BDTTS_APPID];

    if (ret != BDS_ERR_ENGINE_OK) {

        QLog(@"failed to start tts engine,error=%td",ret);

        return NO;

    }

failed to start tts engine,error=10014

iphone没有问题，pad有问题