diff --git a/docs/requirements.txt b/docs/requirements.txt
index bd071e7e20c5e315c1d5146b54df25221725407a..3fb82367f6491f48733c1aac3eb8a7cf31638d24 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -27,7 +27,7 @@ pattern_singleton
 Pillow>=9.0.0
 praatio==5.0.0
 prettytable
-pypinyin
+pypinyin<=0.44.0
 pypinyin-dict
 python-dateutil
 pyworld==0.2.12
diff --git a/examples/other/g2p/README.md b/examples/other/g2p/README.md
index 85c9535d1f3db1c71da310d8c152464cbc75b032..a1911b2f6a44e1876d5a40fb5b972fb123a99a7d 100644
--- a/examples/other/g2p/README.md
+++ b/examples/other/g2p/README.md
@@ -9,6 +9,9 @@ We use `WER` as an evaluation criterion.
 Run the command below to get the results of the test.
 
 ```bash
+cd ../../../tools
+bash extras/install_sclite.sh
+cd -
 ./run.sh
 ```
 
diff --git a/examples/other/tn/README.md b/examples/other/tn/README.md
index 3b80de661e02ac32ea892bd1f0d169c7b9a8996a..cae89a36a39798e0bd00e7f20617f4c02c2f38f6 100644
--- a/examples/other/tn/README.md
+++ b/examples/other/tn/README.md
@@ -5,6 +5,9 @@ We use `CER` as an evaluation criterion.
 ## Start
 Run the command below to get the results of the test.
 ```bash
+cd ../../../tools
+bash extras/install_sclite.sh
+cd -
 ./run.sh
 ```
 The `avg CER` of text normalization is: 0.00730093543235227