diff --git a/egs/librispeech/ASR/.conv_feat_vis.py.swp b/egs/librispeech/ASR/.conv_feat_vis.py.swp
index bcc903d37..a40e4d2cf 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 efe5a9d87..7bf54188c 100644
--- a/egs/librispeech/ASR/conv_feat_vis.py
+++ b/egs/librispeech/ASR/conv_feat_vis.py
@@ -4,8 +4,11 @@ import matplotlib.pyplot as plt
 
 spk_list = glob('./conv_feat/*')
 for spk in spk_list:
+    spk_id = spk.split('/')[-1]
     feats = []
     feat_list = glob(f'{spk}/*.npy')
+    
+    static_file = open(f'{spk}/{spk_id}_statistic.txt', 'w')
     for feat in feat_list:
         feat = np.load(feat)
         feats.append(feat)