diff --git a/paddlespeech/s2t/models/wav2vec2/wav2vec2_ASR.py b/paddlespeech/s2t/models/wav2vec2/wav2vec2_ASR.py
index 3fb91cb86..b19d967e2 100755
--- a/paddlespeech/s2t/models/wav2vec2/wav2vec2_ASR.py
+++ b/paddlespeech/s2t/models/wav2vec2/wav2vec2_ASR.py
@@ -84,18 +84,15 @@ class Wav2vec2ASR(nn.Layer):
     def extract_features(self, wav):
         if self.normalize_wav:
             wav = F.layer_norm(wav, wav.shape[-1])
- 
         # Extract wav2vec output
         out = self.wav2vec2(wav)[0]
         # We normalize the output if required
         if self.output_norm:
             out = F.layer_norm(out, out.shape[-1])
- 
         if self.training and hasattr(self.config, 'spec_augment'):
             feats = self.spec_augment(out)
         else:
             feats = out
- 
         return feats
 
     @paddle.no_grad()