Update readme_cn.md

zhifu gao

2023-07-03 4a47e3b3dc0a1eeec17868763f9faae7da58bb4a

 funasr/layers/inversible_interface.py

@@ -11,4 +11,4 @@
        self, input: torch.Tensor, input_lengths: torch.Tensor = None
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        # return output, output_lengths
        raise NotImplementedError
        raise NotImplementedError