diff --git a/op-guide/ansible-deployment.md b/op-guide/ansible-deployment.md
index 2608a8bcf4f07..cc446b3141c35 100644
--- a/op-guide/ansible-deployment.md
+++ b/op-guide/ansible-deployment.md
@@ -72,7 +72,7 @@ Make sure you have logged in to the Control Machine using the `root` user accoun
 1. Create the `tidb` user.
 
     ```
-    # useradd tidb
+    # useradd -m -d /home/tidb tidb
     ```
 
 2. Set a password for the `tidb` user account.
diff --git a/tikv/deploy-tikv-using-ansible.md b/tikv/deploy-tikv-using-ansible.md
index e41019e73d8c7..e7b705a1cd92d 100644
--- a/tikv/deploy-tikv-using-ansible.md
+++ b/tikv/deploy-tikv-using-ansible.md
@@ -59,7 +59,7 @@ Make sure you have logged in to the Control Machine using the `root` user accoun
 1. Create the `tidb` user.
 
     ```
-    # useradd tidb
+    # useradd -m -d /home/tidb tidb
     ```
 
 2. Set a password for the `tidb` user account.