Update readme.md

funasr/runtime/websocket/readme.md

@@ -5,15 +5,15 @@
 
 ```shell
 # pip3 install torch torchaudio
-pip install -U modelscope funasr
+pip3 install -U modelscope funasr
 # For the users in China, you could install with the command:
-# pip install -U modelscope funasr -f https://modelscope.oss-cn-beijing.aliyuncs.com/releases/repo.html -i https://mirror.sjtu.edu.cn/pypi/web/simple
+# pip3 install -U modelscope funasr -f https://modelscope.oss-cn-beijing.aliyuncs.com/releases/repo.html -i https://mirror.sjtu.edu.cn/pypi/web/simple
 ```
 
 ### Export [onnx model](https://github.com/alibaba-damo-academy/FunASR/tree/main/funasr/export)
 
 ```shell
-python -m funasr.export.export_model --model-name damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch --export-dir ./export --type onnx --quantize True
+python3 -m funasr.export.export_model --model-name damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch --export-dir ./export --type onnx --quantize True
 ```
 
 ## Building for Linux/Unix