diff --git a/egs/librispeech/ASR/.conv_feat_vis.py.swp b/egs/librispeech/ASR/.conv_feat_vis.py.swp
index 0e36091d1..6046d61c0 100644
Binary files a/egs/librispeech/ASR/.conv_feat_vis.py.swp and b/egs/librispeech/ASR/.conv_feat_vis.py.swp differ
diff --git a/egs/librispeech/ASR/conv_feat_vis.py b/egs/librispeech/ASR/conv_feat_vis.py
index 65632dd48..f7b2c1074 100644
--- a/egs/librispeech/ASR/conv_feat_vis.py
+++ b/egs/librispeech/ASR/conv_feat_vis.py
@@ -28,7 +28,7 @@ for spk in tqdm(spk_list):
         std = feats_all[i].std()
         static_file.write(f'{mean} {std}\n')
     '''
-    for i in range(512):
+    for i in tqdm(range(512), leave=False):
         plt.hist(feats_all[i], bins=500)
         plt.savefig(f'./{spk}/dim_{i}.pdf')
         plt.close()