diff --git a/_config.yml b/_config.yml
index d6f84c57815..8356c9d1fbd 100644
--- a/_config.yml
+++ b/_config.yml
@@ -9,17 +9,17 @@ theme: jekyll-theme-chirpy
 lang: en
 
 # Change to your timezone › https://kevinnovak.github.io/Time-Zone-Picker
-timezone: Asia/Shanghai
+timezone: Asia/Seoul
 
 # jekyll-seo-tag settings › https://github.com/jekyll/jekyll-seo-tag/blob/master/docs/usage.md
 # ↓ --------------------------
 
-title: Chirpy # the main title
+title: CHEONG_SEOLMO # the main title
 
-tagline: A text-focused Jekyll theme # it will display as the subtitle
+tagline: CSM's Gitblog # it will display as the subtitle
 
 description: >- # used by seo meta and the atom feed
-  A minimal, responsive and feature-rich Jekyll theme for technical writing.
+  CSM's Gitblog
 
 # Fill in the protocol & hostname for your site.
 # E.g. 'https://username.github.io', note that it does not end with a '/'.