diff --git a/_config.yml b/_config.yml
index 07ba436..d106a4e 100644
--- a/_config.yml
+++ b/_config.yml
@@ -13,7 +13,7 @@ timezone: 'Asia/Shanghai'
 
 # URL
 ## Set your site url here. For example, if you use GitHub Page, set url as 'https://username.github.io/project'
-url: kivotosrailway.com
+url: https://kivotosrailway.com
 permalink: :year/:month/:day/:title/
 permalink_defaults:
 pretty_urls: