fix

python/examples/xpu/bert/README.md

 
 ## Prepare
+### download model and extract
+```
+wget https://paddle-serving.bj.bcebos.com/models/xpu/bert.tgz
+```
 ### convert model
 ```
 python -m paddle_serving_client.convert --dirname infer_bert-base-chinese_ft_model_4000.pdparams
 ```
+### Getting Dict and Sample Dataset
+
+```
+sh get_data.sh
+```
+this script will download Chinese Dictionary File vocab.txt and Chinese Sample Data data-c.txt
 
 ## RPC Service
 
 ### Start Service
 
 ```
-pytyon bert_web_service.py serving_server 7703
+python bert_web_service.py serving_server 7703
 ```
 
 ### Client Prediction
 
 ```
-python bert_client.py
+head data-c.txt | python bert_client.py
 ```

python/examples/xpu/ernie/README.md

 
 ## Prepare
+### download model and extract
+```
+wget https://paddle-serving.bj.bcebos.com/models/xpu/ernie.tgz
+```
 ### convert model
 ```
 python3 -m paddle_serving_client.convert --dirname erine
 ```
+### Getting Dict and Sample Dataset
+
+```
+sh get_data.sh
+```
+this script will download Chinese Dictionary File vocab.txt and Chinese Sample Data data-c.txt
 
 ## RPC Service