[Doc] update readem for aishell/asr0, test=doc

examples/aishell/asr0/README.md

@@ -154,18 +154,18 @@ CUDA_VISIBLE_DEVICES= ./local/test.sh conf/deepspeech2.yaml exp/deepspeech2/chec
 You can get the pretrained transformer or conformer using the scripts below:
 ```bash
 Deepspeech2 offline:
-wget https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/ds2.model.tar.gz
+wget https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/asr0_deepspeech2_aishell_ckpt_0.1.1.model.tar.gz
 
 Deepspeech2 online:
-wget https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/aishell_ds2_online_cer8.00_release.tar.gz
+wget https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/asr0_deepspeech2_online_aishell_ckpt_0.2.0.model.tar.gz
 
 ```
 using the `tar` scripts to unpack the model and then you can use the script to test the model.
 
 For example:
 ```
-wget https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/ds2.model.tar.gz
-tar xzvf ds2.model.tar.gz
+wget https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/asr0_deepspeech2_aishell_ckpt_0.1.1.model.tar.gz
+tar xzvf asr0_deepspeech2_aishell_ckpt_0.1.1.model.tar.gz
 source path.sh
 # If you have process the data and get the manifest file， you can skip the following 2 steps
 bash local/data.sh --stage -1 --stop_stage -1
@@ -209,8 +209,8 @@ if [ ${stage} -le 6 ] && [ ${stop_stage} -ge 6 ]; then
 ```
 you can train the model by yourself, or you can download the pretrained model by the script below:
 ```bash
-wget https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/ds2.model.tar.gz
-tar xzvf ds2.model.tar.gz
+wget https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/asr0_deepspeech2_aishell_ckpt_0.1.1.model.tar.gz
+tar xzvf asr0_deepspeech2_aishell_ckpt_0.1.1.model.tar.gz
 ```
 You can download the audio demo:
 ```bash