diff --git a/egs/aishell/ASR/conformer_ctc/.transformer.py.swp b/egs/aishell/ASR/conformer_ctc/.transformer.py.swp
index b2fcbca7d..2a04b9b9c 100644
Binary files a/egs/aishell/ASR/conformer_ctc/.transformer.py.swp and b/egs/aishell/ASR/conformer_ctc/.transformer.py.swp differ
diff --git a/egs/aishell/ASR/conformer_ctc/transformer.py b/egs/aishell/ASR/conformer_ctc/transformer.py
index 078210a90..c5594a94e 100644
--- a/egs/aishell/ASR/conformer_ctc/transformer.py
+++ b/egs/aishell/ASR/conformer_ctc/transformer.py
@@ -226,7 +226,7 @@ class Transformer(nn.Module):
         mask = mask.to(x.device) if mask is not None else None
         x, layer_outputs = self.encoder(x, src_key_padding_mask=mask)  # (T, N, C)
 
-        if self.groupnum != 0:
+        if self.group_num != 0:
             x = 0
             for enum, alpha in enumerate(self.alpha):
                 x += self.sigmoid(alpha) * layer_outputs[(enum+1)*self.group_layer_num-1]