diff --git a/_sources/recipes/aishell/conformer_ctc.rst.txt b/_sources/recipes/aishell/conformer_ctc.rst.txt
index 75a2a8eca..72690e102 100644
--- a/_sources/recipes/aishell/conformer_ctc.rst.txt
+++ b/_sources/recipes/aishell/conformer_ctc.rst.txt
@@ -422,7 +422,7 @@ The information of the test sound files is listed below:
 
 .. code-block:: bash
 
-  $ soxi tmp/icefall_asr_aishell_conformer_ctc/test_wavs/*.wav
+  $ soxi tmp/icefall_asr_aishell_conformer_ctc/test_waves/*.wav
 
   Input File     : 'tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0121.wav'
   Channels       : 1
@@ -485,9 +485,9 @@ The command to run CTC decoding is:
     --checkpoint ./tmp/icefall_asr_aishell_conformer_ctc/exp/pretrained.pt \
     --tokens-file ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/tokens.txt \
     --method ctc-decoding \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0121.wav \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0122.wav \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0123.wav
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0121.wav \
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0122.wav \
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0123.wav
 
 The output is given below:
 
@@ -529,9 +529,9 @@ The command to run HLG decoding is:
     --words-file ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/words.txt \
     --HLG ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/HLG.pt \
     --method 1best \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0121.wav \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0122.wav \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0123.wav
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0121.wav \
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0122.wav \
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0123.wav
 
 The output is given below:
 
@@ -575,9 +575,9 @@ The command to run HLG decoding + attention decoder rescoring is:
     --words-file ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/words.txt \
     --HLG ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/HLG.pt \
     --method attention-decoder \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0121.wav \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0122.wav \
-    ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0123.wav
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0121.wav \
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0122.wav \
+    ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0123.wav
 
 The output is below:
 
diff --git a/_sources/recipes/aishell/tdnn_lstm_ctc.rst.txt b/_sources/recipes/aishell/tdnn_lstm_ctc.rst.txt
index e9b0ea656..275931698 100644
--- a/_sources/recipes/aishell/tdnn_lstm_ctc.rst.txt
+++ b/_sources/recipes/aishell/tdnn_lstm_ctc.rst.txt
@@ -402,7 +402,7 @@ The information of the test sound files is listed below:
 
 .. code-block:: bash
 
-  $ soxi tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_wavs/*.wav
+  $ soxi tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/*.wav
 
   Input File     : 'tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/BAC009S0764W0121.wav'
   Channels       : 1
@@ -461,9 +461,9 @@ The command to run HLG decoding is:
     --words-file ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/data/lang_phone/words.txt \
     --HLG ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/data/lang_phone/HLG.pt \
     --method 1best \
-    ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_wavs/BAC009S0764W0121.wav \
-    ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_wavs/BAC009S0764W0122.wav \
-    ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_wavs/BAC009S0764W0123.wav
+    ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/BAC009S0764W0121.wav \
+    ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/BAC009S0764W0122.wav \
+    ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/BAC009S0764W0123.wav
 
 The output is given below:
 
diff --git a/recipes/aishell/conformer_ctc.html b/recipes/aishell/conformer_ctc.html
index 647261296..459c14917 100644
--- a/recipes/aishell/conformer_ctc.html
+++ b/recipes/aishell/conformer_ctc.html
@@ -500,7 +500,7 @@ Note: We have removed optimizer <code class="docutils literal notranslate"><span
 </ul>
 </div></blockquote>
 <p>The information of the test sound files is listed below:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ soxi tmp/icefall_asr_aishell_conformer_ctc/test_wavs/*.wav
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ soxi tmp/icefall_asr_aishell_conformer_ctc/test_waves/*.wav
 
 Input File     : <span class="s1">&#39;tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0121.wav&#39;</span>
 Channels       : <span class="m">1</span>
@@ -559,9 +559,9 @@ $ ./conformer_ctc/pretrained.py <span class="se">\</span>
   --checkpoint ./tmp/icefall_asr_aishell_conformer_ctc/exp/pretrained.pt <span class="se">\</span>
   --tokens-file ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/tokens.txt <span class="se">\</span>
   --method ctc-decoding <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0121.wav <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0122.wav <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0123.wav
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0121.wav <span class="se">\</span>
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0122.wav <span class="se">\</span>
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0123.wav
 </pre></div>
 </div>
 <p>The output is given below:</p>
@@ -597,9 +597,9 @@ $ ./conformer_ctc/pretrained.py <span class="se">\</span>
   --words-file ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/words.txt <span class="se">\</span>
   --HLG ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/HLG.pt <span class="se">\</span>
   --method 1best <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0121.wav <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0122.wav <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0123.wav
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0121.wav <span class="se">\</span>
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0122.wav <span class="se">\</span>
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0123.wav
 </pre></div>
 </div>
 <p>The output is given below:</p>
@@ -637,9 +637,9 @@ $ ./conformer_ctc/pretrained.py <span class="se">\</span>
   --words-file ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/words.txt <span class="se">\</span>
   --HLG ./tmp/icefall_asr_aishell_conformer_ctc/data/lang_char/HLG.pt <span class="se">\</span>
   --method attention-decoder <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0121.wav <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0122.wav <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_conformer_ctc/test_wavs/BAC009S0764W0123.wav
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0121.wav <span class="se">\</span>
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0122.wav <span class="se">\</span>
+  ./tmp/icefall_asr_aishell_conformer_ctc/test_waves/BAC009S0764W0123.wav
 </pre></div>
 </div>
 <p>The output is below:</p>
diff --git a/recipes/aishell/tdnn_lstm_ctc.html b/recipes/aishell/tdnn_lstm_ctc.html
index 87417512e..fd852f7cc 100644
--- a/recipes/aishell/tdnn_lstm_ctc.html
+++ b/recipes/aishell/tdnn_lstm_ctc.html
@@ -483,7 +483,7 @@ Note: We have removed optimizer <code class="docutils literal notranslate"><span
 </ul>
 </div></blockquote>
 <p>The information of the test sound files is listed below:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ soxi tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_wavs/*.wav
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ soxi tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/*.wav
 
 Input File     : <span class="s1">&#39;tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/BAC009S0764W0121.wav&#39;</span>
 Channels       : <span class="m">1</span>
@@ -535,9 +535,9 @@ $ ./tdnn_lstm_ctc/pretrained.py <span class="se">\</span>
   --words-file ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/data/lang_phone/words.txt <span class="se">\</span>
   --HLG ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/data/lang_phone/HLG.pt <span class="se">\</span>
   --method 1best <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_wavs/BAC009S0764W0121.wav <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_wavs/BAC009S0764W0122.wav <span class="se">\</span>
-  ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_wavs/BAC009S0764W0123.wav
+  ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/BAC009S0764W0121.wav <span class="se">\</span>
+  ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/BAC009S0764W0122.wav <span class="se">\</span>
+  ./tmp/icefall_asr_aishell_tdnn_lstm_ctc/test_waves/BAC009S0764W0123.wav
 </pre></div>
 </div>
 <p>The output is given below:</p>