Update asr and audio tagging demo.

demos/audio_tagging/README.md

@@ -59,13 +59,13 @@ wget https://paddlespeech.bj.bcebos.com/PaddleAudio/cat.wav https://paddlespeech
 
   cls_executor = CLSExecutor()
   result = cls_executor(
-      model_type='panns_cnn14',
-      cfg_path=None,  # Set `cfg_path` and `ckpt_path` to None to use pretrained model.
+      model='panns_cnn14',
+      config=None,  # Set `config` and `ckpt_path` to None to use pretrained model.
       label_file=None,
       ckpt_path=None,
       audio_file='./cat.wav',
       topk=10,
-      device=paddle.get_device(), )
+      device=paddle.get_device())
   print('CLS Result: \n{}'.format(result))
   ```
   Output:

demos/speech_recognition/README.md

@@ -52,7 +52,7 @@ wget https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespeech.
       model='conformer_wenetspeech',
       lang='zh',
       sample_rate=16000,
-      config=None,  # Set `conf` and `ckpt_path` to None to use pretrained model.
+      config=None,  # Set `config` and `ckpt_path` to None to use pretrained model.
       ckpt_path=None,
       audio_file='./zh.wav',
       device=paddle.get_device())