diff --git a/README.md b/README.md
index 070972d..f035f67 100644
--- a/README.md
+++ b/README.md
@@ -30,12 +30,16 @@ change sample rate of waves, and put waves to ./data_opencpop/waves
 
 > python svc_trainer.py -c config/default_c32.yaml -n uni_svc
 
-3k wavs of opencpop training~~~~~~
+### Infer
+export clean model
 
-https://user-images.githubusercontent.com/16432329/222747832-ee6aaa27-6257-49c8-b373-5d13d0c09496.mp4
+> python svc_export.py --config config/default_c32.yaml --checkpoint_path chkpt/uni_svc/uni_svc_0740.pt
 
+download preview form release page
 
-# data-sets
+> python svc_inference.py --config config/default_c32.yaml --model uni_svc.pth --wave uni_svc_test.wav
+
+### Data-sets
 KiSing      http://shijt.site/index.php/2021/05/16/kising-the-first-open-source-mandarin-singing-voice-synthesis-corpus/
 
 PopCS 		  https://github.com/MoonInTheRiver/DiffSinger/blob/master/resources/apply_form.md
@@ -67,3 +71,7 @@ Aishell-3 	http://www.aishelltech.com/aishell_3
 
 VCTK 		    https://datashare.ed.ac.uk/handle/10283/2651
 
+# Notice
+如果您参考了本项目，请您在您项目中列出本项目。【武德】
+
+If you refer to this project, please list it in your project.
\ No newline at end of file
diff --git a/svc_inference.py b/svc_inference.py
index 766c0d6..562af97 100644
--- a/svc_inference.py
+++ b/svc_inference.py
@@ -1,62 +1,80 @@
 import os
-import glob
-import tqdm
 import torch
+import librosa
+import pyworld
 import argparse
+import numpy as np
+
 from scipy.io.wavfile import write
 from omegaconf import OmegaConf
-
 from model.generator import Generator
 
 
+def load_svc_model(checkpoint_path, model):
+    assert os.path.isfile(checkpoint_path)
+    checkpoint_dict = torch.load(checkpoint_path, map_location="cpu")
+    model.load_state_dict(checkpoint_dict["model_g"])
+    return model
+
+
+def compute_f0(path):
+    x, sr = librosa.load(path, sr=16000)
+    assert sr == 16000
+    f0, t = pyworld.dio(
+        x.astype(np.double),
+        fs=sr,
+        f0_ceil=900,
+        frame_period=1000 * 160 / sr,
+    )
+    f0 = pyworld.stonemask(x.astype(np.double), f0, t, fs=16000)
+    for index, pitch in enumerate(f0):
+        f0[index] = round(pitch, 1)
+    return f0
+
+
+ppg_path = "uni_svc_tmp.ppg.npy"
+
+
 def main(args):
-    checkpoint = torch.load(args.checkpoint_path)
-    if args.config is not None:
-        hp = OmegaConf.load(args.config)
-    else:
-        hp = OmegaConf.create(checkpoint['hp_str'])
-
-    model = Generator(hp).cuda()
-    saved_state_dict = checkpoint['model_g']
-    new_state_dict = {}
-    
-    for k, v in saved_state_dict.items():
-        try:
-            new_state_dict[k] = saved_state_dict['module.' + k]
-        except:
-            new_state_dict[k] = v
-    model.load_state_dict(new_state_dict)
-    model.eval(inference=True)
+    device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
+    hp = OmegaConf.load(args.config)
+    model = Generator(hp)
+    load_svc_model(args.model, model)
 
-    with torch.no_grad():
-        for melpath in tqdm.tqdm(glob.glob(os.path.join(args.input_folder, '*.mel'))):
-            mel = torch.load(melpath)
-            if len(mel.shape) == 2:
-                mel = mel.unsqueeze(0)
-            mel = mel.cuda()
+    os.system(f"python svc_inference_ppg.py -w {args.wave} -p {ppg_path}")
+
+    ppg = np.load(ppg_path)
+    ppg = np.repeat(ppg, 2, 0)  # 320 PPG -> 160 * 2
+    ppg = torch.FloatTensor(ppg)
+
+    pit = compute_f0(args.wave)
+    pit = torch.FloatTensor(pit)
 
-            audio = model.inference(mel)
-            audio = audio.cpu().detach().numpy()
+    len_pit = pit.size()[0]
+    len_ppg = ppg.size()[0]
+    len_min = min(len_pit, len_ppg)
+    pit = pit[:len_min]
+    ppg = ppg[:len_min, :]
+
+    model.eval(inference=True)
+    model.to(device)
+    with torch.no_grad():
+        ppg = ppg.unsqueeze(0).to(device)
+        pit = pit.unsqueeze(0).to(device)
+        audio = model.inference(ppg, pit)
+        audio = audio.cpu().detach().numpy()
 
-            if args.output_folder is None:  # if output folder is not defined, audio samples are saved in input folder
-                out_path = melpath.replace('.mel', '_reconstructed_epoch%04d.wav' % checkpoint['epoch'])
-            else:
-                basename = os.path.basename(melpath)
-                basename = basename.replace('.mel', '_reconstructed_epoch%04d.wav' % checkpoint['epoch'])
-                out_path = os.path.join(args.output_folder, basename)
-            write(out_path, hp.audio.sampling_rate, audio)
+    write("uni_svc_out.wav", hp.audio.sampling_rate, audio)
 
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser()
-    parser.add_argument('-c', '--config', type=str, default=None,
-                        help="yaml file for config. will use hp_str from checkpoint if not given.")
-    parser.add_argument('-p', '--checkpoint_path', type=str, required=True,
-                        help="path of checkpoint pt file for evaluation")
-    parser.add_argument('-i', '--input_folder', type=str, required=True,
-                        help="directory of mel-spectrograms to invert into raw audio.")
-    parser.add_argument('-o', '--output_folder', type=str, default=None,
-                        help="directory which generated raw audio is saved.")
+    parser.add_argument('-c', '--config', type=str, required=True,
+                        help="yaml file for config.")
+    parser.add_argument('-m', '--model', type=str, required=True,
+                        help="path of model for evaluation")
+    parser.add_argument('-i', '--wave', type=str, required=True,
+                        help="Path of raw audio.")
     args = parser.parse_args()
 
     main(args)
diff --git a/svc_inference_export.py b/svc_inference_export.py
new file mode 100644
index 0000000..6c10cf1
--- /dev/null
+++ b/svc_inference_export.py
@@ -0,0 +1,53 @@
+import os
+import torch
+import argparse
+from omegaconf import OmegaConf
+
+from model.generator import Generator
+
+
+def load_model(checkpoint_path, model):
+    assert os.path.isfile(checkpoint_path)
+    checkpoint_dict = torch.load(checkpoint_path, map_location="cpu")
+    saved_state_dict = checkpoint_dict["model_g"]
+    if hasattr(model, "module"):
+        state_dict = model.module.state_dict()
+    else:
+        state_dict = model.state_dict()
+    new_state_dict = {}
+    for k, v in state_dict.items():
+        try:
+            new_state_dict[k] = saved_state_dict[k]
+        except:
+            new_state_dict[k] = v
+    if hasattr(model, "module"):
+        model.module.load_state_dict(new_state_dict)
+    else:
+        model.load_state_dict(new_state_dict)
+    return model
+
+
+def save_model(model, checkpoint_path):
+    if hasattr(model, 'module'):
+        state_dict = model.module.state_dict()
+    else:
+        state_dict = model.state_dict()
+    torch.save({'model_g': state_dict}, checkpoint_path)
+
+
+def main(args):
+    hp = OmegaConf.load(args.config)
+    model = Generator(hp)
+    load_model(args.checkpoint_path, model)
+    save_model(model, "uni_svc.pth")
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-c', '--config', type=str, required=True,
+                        help="yaml file for config. will use hp_str from checkpoint if not given.")
+    parser.add_argument('-p', '--checkpoint_path', type=str, required=True,
+                        help="path of checkpoint pt file for evaluation")
+    args = parser.parse_args()
+
+    main(args)
diff --git a/svc_inference_ppg.py b/svc_inference_ppg.py
new file mode 100644
index 0000000..286c221
--- /dev/null
+++ b/svc_inference_ppg.py
@@ -0,0 +1,45 @@
+import os
+import numpy as np
+import argparse
+import torch
+
+from whisper.model import Whisper, ModelDimensions
+from whisper.audio import load_audio, pad_or_trim, log_mel_spectrogram
+
+
+def load_model(path) -> Whisper:
+    device = "cuda" if torch.cuda.is_available() else "cpu"
+    checkpoint = torch.load(path, map_location=device)
+    dims = ModelDimensions(**checkpoint["dims"])
+    model = Whisper(dims)
+    model.load_state_dict(checkpoint["model_state_dict"])
+    return model.to(device)
+
+
+def pred_ppg(whisper: Whisper, wavPath, ppgPath):
+    audio = load_audio(wavPath)
+    audln = audio.shape[0]
+    ppgln = audln // 320
+    audio = pad_or_trim(audio)
+    mel = log_mel_spectrogram(audio).to(whisper.device)
+    with torch.no_grad():
+        ppg = whisper.encoder(mel.unsqueeze(0)).squeeze().data.cpu().float().numpy()
+        ppg = ppg[:ppgln,] # [length, dim=1024]
+        print(ppg.shape)
+        np.save(ppgPath, ppg, allow_pickle=False)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.description = 'please enter embed parameter ...'
+    parser.add_argument("-w", "--wav", help="wav", dest="wav")
+    parser.add_argument("-p", "--ppg", help="ppg", dest="ppg")
+    args = parser.parse_args()
+    print(args.wav)
+    print(args.ppg)
+
+    wavPath = args.wav
+    ppgPath = args.ppg
+
+    whisper = load_model("medium.pt")
+    pred_ppg(whisper, wavPath, ppgPath)