Update demo.py

zhifu gao

2024-12-17 f921a7181855a356237667200330001597b2473a

 README_zh.md

@@ -312,6 +312,12 @@
res = model.export(quantize=False)
```

### 优化onnx
```shell
# pip3 install -U onnxslim
onnxslim model.onnx model.onnx
```

### 测试ONNX
```python
# pip3 install -U funasr-onnx