diff --git a/README.md b/README.md
index edac958..5bcac4d 100644
--- a/README.md
+++ b/README.md
@@ -75,3 +75,4 @@ CNAME www furk4ngg.me
 
 
 In your domain provider,update your nameserver based on cloudflare nameserver such as 'kim.ns.cloudflare.com' and 'mack.ns.cloudflare.com'  
+hostnamectl set-hostname domain