diff --git a/README_CN.md b/README_CN.md
index b48e714..dadf451 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -51,11 +51,13 @@
 
 ```shell
 sudo -i #切换到root用户，如果需要密码，请输入密码
+bash #如已处于bash环境可跳过
 export url='https://fastly.jsdelivr.net/gh/juewuy/ShellClash@master' && wget -q --no-check-certificate -O /tmp/install.sh $url/install.sh  && bash /tmp/install.sh && source /etc/profile &> /dev/null
 ```
 或者
 ```shell
 sudo -i #切换到root用户，如果需要密码，请输入密码
+bash #如已处于bash环境可跳过
 export url='https://gh.jwsc.eu.org/master' && bash -c "$(curl -kfsSl $url/install.sh)" && source /etc/profile &> /dev/null
 ```