diff --git a/plugins/tidb/install.sh b/plugins/tidb/install.sh
index 00ab32e70..1c9a7fb5e 100755
--- a/plugins/tidb/install.sh
+++ b/plugins/tidb/install.sh
@@ -21,6 +21,8 @@ echo "use system: ${sysName}"
 
 # tiup cluster deploy tidb v7.5.1 /www/server/tidb/tidb.yaml --user root -i /root/.ssh/id_rsa
 # tiup cluster deploy tidb v7.5.1 /www/server/tidb/tidb.yaml --user root -p
+# source /root/.bashrc
+
 # ssh 192.168.4.1 -l root
 # useradd -d /home/tidb1 tidb1 && passwd tidb1