update docs for server instructions

lyblsgo

2023-10-11 bd9ed054110636a0a2fa065fd851d19e444b9505

 funasr/bin/vad_inference_launch.py

@@ -123,7 +123,7 @@
                vad_results.append(item)
                if writer is not None:
                    ibest_writer["text"][keys[i]] = "{}".format(results[i])

        torch.cuda.empty_cache()
        return vad_results

    return _forward