diff --git a/config.yml b/config.yml
index 59e7c25..b134526 100644
--- a/config.yml
+++ b/config.yml
@@ -116,3 +116,5 @@ markup:
     guessSyntax: true
     # lineNos: true
     style: github
+
+buildDate: 2023-10-31_16:11:53
diff --git a/config.yml.old b/config.yml.old
new file mode 100644
index 0000000..55c633c
--- /dev/null
+++ b/config.yml.old
@@ -0,0 +1,120 @@
+baseURL: "http://blog.morgan.kr"
+title: Morgan's Blog
+paginate: 50
+theme: "mytheme"
+
+enableRobotsTXT: true
+buildDrafts: false
+buildFuture: false
+buildExpired: false
+
+googleAnalytics: UA-123-45
+minify:
+  disableXML: true
+  minifyOutput: true
+
+params:
+  env: production # to enable google analytics, opengraph, twitter-cards and schema.
+  title: Morgan's Blog
+  description: "Hi! I'm Morgan!"
+  keywords: [Blog, Portfolio, PaperMod]
+  author: Me
+  images: [""]
+  DateFormat: "Jan 2, 2006"
+  defaultTheme: dark 
+  disableThemeToggle: false
+
+  ShowReadingTime: false
+  ShowShareButtons: true
+  ShowPostNavLinks: true
+  ShowBreadCrumbs: false
+  ShowCodeCopyButtons: true
+  ShowWordCount: false
+  ShowRssButtonInSectionTermList: false
+  UseHugoToc: true
+
+  disableSpecial1stPost: false
+  disableScrollToTop: false
+  comments: true
+  hidemeta: false
+  hideSummary: false
+  showtoc: false
+  tocopen: false
+  mainSections:
+    - posts
+
+  homeInfoParams:
+       Title: Hi, I'm Morgan.
+       Content: I am student developer in Korea, studying Embedded system and Cryptography.
+
+  socialIcons: # optional
+      - name: github
+        url: "https://github.com/morgan9e"
+      - name: email
+        url: "mailto:me@morgan.kr"
+      - name: git
+        url: "https://git.morgan.kr"
+      - name: twitter
+        url: "https://twitter.com/morgan8w"
+      - name: telegram
+        url: "https://t.me/morgan9e"
+
+  assets:
+    favicon: "https://blog.morgan.kr/favicon.ico"
+    apple_touch_icon: "https://blog.morgan.kr/favicon.ico"
+    safari_pinned_tab: "https://blog.morgan.kr/favicon.ico"
+
+  label:
+    icon: /favicon.png
+    icon_inv: /favicon-inv.png
+    iconHeight: 24
+
+  analytics:
+    google:
+      SiteVerificationTag: "XYZabc"
+    bing:
+      SiteVerificationTag: "XYZabc"
+    yandex:
+      SiteVerificationTag: "XYZabc"
+
+  cover:
+    hidden: true # hide everywhere but not in structured data
+    hiddenInList: true # hide on list pages and home
+    hiddenInSingle: true # hide on single page
+
+  # for search
+  # https://fusejs.io/api/options.html
+  fuseOpts:
+    isCaseSensitive: false
+    shouldSort: true
+    location: 0
+    distance: 1000
+    threshold: 0.4
+    minMatchCharLength: 0
+    keys: ["title", "permalink", "summary", "content"]
+
+permalinks:
+  posts: /:year/:month/:title/
+
+menus:
+  main:
+    - identifier: posts
+      name: Posts
+      url: /posts/
+      weight: 30
+    # - identifier: tags
+    #   name: Tags
+    #   url: /tags/
+    #   weight: 10
+
+pygmentsUseClasses: true
+markup:
+  highlight:
+    noClasses: false
+    # anchorLineNos: true
+    codeFences: true
+    guessSyntax: true
+    # lineNos: true
+    style: github
+
+buildDate: 2023-10-31_16:11:52
diff --git a/scripts/build.sh b/scripts/build.sh
new file mode 100755
index 0000000..2740701
--- /dev/null
+++ b/scripts/build.sh
@@ -0,0 +1,3 @@
+sed -i.old "s/buildDate: [0-9]\+-[0-9]\+-[0-9]\+_[0-9]\+:[0-9]\+:[0-9]\+/buildDate: $(date +%Y-%m-%d_%H:%M:%S)/" config.yml
+
+hugo
diff --git a/themes/mytheme/layouts/partials/footer.html b/themes/mytheme/layouts/partials/footer.html
index 2a39196..66313f5 100644
--- a/themes/mytheme/layouts/partials/footer.html
+++ b/themes/mytheme/layouts/partials/footer.html
@@ -3,7 +3,8 @@
     {{- if site.Copyright }}
     <span>{{ site.Copyright | markdownify }}</span>
     {{- else }}
-    <a href="/admin/">&copy;</a> <span>{{ now.Year }} <a href="{{ "" | absLangURL }}">{{ site.Title }}</a></span>
+    <a href="/admin/" style="text-decoration: none;">&copy;</a> <span>{{ now.Year }} <a href="{{ "" | absLangURL }}">{{ site.Title }}</a></span>
+    <span>Build date: {{- if not ( eq site.buildDate 0 ) }}{{ site.buildDate }}{{- end }}</span>
     {{- end }}
 </footer>
 {{- end }}