diff --git a/funasr/bin/vad_inference_launch.py b/funasr/bin/vad_inference_launch.py
new file mode 100644
index 000000000..54bf31984
--- /dev/null
+++ b/funasr/bin/vad_inference_launch.py
@@ -0,0 +1,149 @@
+#!/usr/bin/env python3
+# Copyright ESPnet (https://github.com/espnet/espnet). All Rights Reserved.
+#  Apache 2.0  (http://www.apache.org/licenses/LICENSE-2.0)
+
+import argparse
+import logging
+import os
+import sys
+from typing import Union, Dict, Any
+
+from funasr.utils import config_argparse
+from funasr.utils.cli_utils import get_commandline_args
+from funasr.utils.types import str2bool
+from funasr.utils.types import str2triple_str
+from funasr.utils.types import str_or_none
+
+
+def get_parser():
+    parser = config_argparse.ArgumentParser(
+        description="VAD Decoding",
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
+    )
+
+    # Note(kamo): Use '_' instead of '-' as separator.
+    # '-' is confusing if written in yaml.
+    parser.add_argument(
+        "--log_level",
+        type=lambda x: x.upper(),
+        default="INFO",
+        choices=("CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG", "NOTSET"),
+        help="The verbose level of logging",
+    )
+
+    parser.add_argument("--output_dir", type=str, required=True)
+    parser.add_argument(
+        "--ngpu",
+        type=int,
+        default=0,
+        help="The number of gpus. 0 indicates CPU mode",
+    )
+    parser.add_argument(
+        "--njob",
+        type=int,
+        default=1,
+        help="The number of jobs for each gpu",
+    )
+    parser.add_argument(
+        "--gpuid_list",
+        type=str,
+        default="",
+        help="The visible gpus",
+    )
+    parser.add_argument("--seed", type=int, default=0, help="Random seed")
+    parser.add_argument(
+        "--dtype",
+        default="float32",
+        choices=["float16", "float32", "float64"],
+        help="Data type",
+    )
+    parser.add_argument(
+        "--num_workers",
+        type=int,
+        default=1,
+        help="The number of workers used for DataLoader",
+    )
+
+    group = parser.add_argument_group("Input data related")
+    group.add_argument(
+        "--data_path_and_name_and_type",
+        type=str2triple_str,
+        required=True,
+        action="append",
+    )
+    group.add_argument("--key_file", type=str_or_none)
+    group.add_argument("--allow_variable_data_keys", type=str2bool, default=False)
+
+    group = parser.add_argument_group("The model configuration related")
+    group.add_argument(
+        "--vad_infer_config",
+        type=str,
+        help="VAD infer configuration",
+    )
+    group.add_argument(
+        "--vad_model_file",
+        type=str,
+        help="VAD model parameter file",
+    )
+    group.add_argument(
+        "--vad_cmvn_file",
+        type=str,
+        help="Global CMVN file",
+    )
+    group.add_argument(
+        "--vad_train_config",
+        type=str,
+        help="VAD training configuration",
+    )
+
+    group = parser.add_argument_group("The inference configuration related")
+    group.add_argument(
+        "--batch_size",
+        type=int,
+        default=1,
+        help="The batch size for inference",
+    )
+    return parser
+
+
+def inference_launch(mode, **kwargs):
+    if mode == "vad":
+        from funasr.bin.vad_inference import inference_modelscope
+        return inference_modelscope(**kwargs)
+    else:
+        logging.info("Unknown decoding mode: {}".format(mode))
+        return None
+
+
+def main(cmd=None):
+    print(get_commandline_args(), file=sys.stderr)
+    parser = get_parser()
+    parser.add_argument(
+        "--mode",
+        type=str,
+        default="vad",
+        help="The decoding mode",
+    )
+    args = parser.parse_args(cmd)
+    kwargs = vars(args)
+    kwargs.pop("config", None)
+
+    # set logging messages
+    logging.basicConfig(
+        level=args.log_level,
+        format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s",
+    )
+    logging.info("Decoding args: {}".format(kwargs))
+
+    # gpu setting
+    if args.ngpu > 0:
+        jobid = int(args.output_dir.split(".")[-1])
+        gpuid = args.gpuid_list.split(",")[(jobid - 1) // args.njob]
+        os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"
+        os.environ["CUDA_VISIBLE_DEVICES"] = gpuid
+
+    inference_launch(**kwargs)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/funasr/utils/wav_utils.py b/funasr/utils/wav_utils.py
index c86c7d2e8..8325ad399 100644
--- a/funasr/utils/wav_utils.py
+++ b/funasr/utils/wav_utils.py
@@ -204,6 +204,7 @@ def calc_shape_core(root_path, frontend_conf, speech_length_min, speech_length_m
                 write_flag = False
             if write_flag:
                 f.write("{} {},{}\n".format(sample_name, str(int(np.ceil(n_frames))), str(int(feature_dim))))
+                f.flush()
 
 
 def calc_shape(data_dir, dataset, frontend_conf, speech_length_min=-1, speech_length_max=-1, nj=32):