diff --git a/_config.yml b/_config.yml
index af7d57221b02..f28d740d079a 100644
--- a/_config.yml
+++ b/_config.yml
@@ -12,19 +12,19 @@
 
 # theme                  : "minimal-mistakes-jekyll"
 # remote_theme           : "mmistakes/minimal-mistakes"
-minimal_mistakes_skin    : "default" # "air", "aqua", "contrast", "dark", "dirt", "neon", "mint", "plum", "sunrise"
+minimal_mistakes_skin    : "dark" # "air", "aqua", "contrast", "dark", "dirt", "neon", "mint", "plum", "sunrise"
 
 # Site Settings
-locale                   : "en-US"
+locale                   : "ko-KR"
 rtl                      : # true, false (default) # turns direction of the page into right to left for RTL languages
-title                    : "Site Title"
-title_separator          : "-"
-subtitle                 : # site tagline that appears below site title in masthead
-name                     : "Your Name"
-description              : "An amazing website."
-url                      : # the base hostname & protocol for your site e.g. "https://mmistakes.github.io"
+title                    : "bora.log"
+title_separator          : "|"
+subtitle                 : "Lilac"
+name                     : "Yeonbo_ra"
+description              : "Programming Something"
+url                      : "https://Yeonb0ra.github.io"
 baseurl                  : # the subpath of your site, e.g. "/blog"
-repository               : # GitHub username/repo-name e.g. "mmistakes/minimal-mistakes"
+repository               : "Yeonb0/Yeonb0.github.io"
 teaser                   : # path of fallback teaser image, e.g. "/assets/images/500x300.png"
 logo                     : # path of logo image to display in the masthead, e.g. "/assets/images/88x88.png"
 masthead_title           : # overrides the website title displayed in the masthead, use " " for no title
@@ -113,11 +113,11 @@ analytics:
 
 # Site Author
 author:
-  name             : "Your Name"
+  name             : "연보라해"
   avatar           : # path of avatar image, e.g. "/assets/images/bio-photo.jpg"
-  bio              : "I am an **amazing** person."
-  location         : "Somewhere"
-  email            :
+  bio              : "라일락처럼 연보라해"
+  location         : "Seoul, South Korea"
+  email            : "kby7576@sogang.ac.kr"
   links:
     - label: "Email"
       icon: "fas fa-fw fa-envelope-square"
@@ -290,16 +290,16 @@ tag_archive:
   type: liquid
   path: /tags/
 # https://github.com/jekyll/jekyll-archives
-# jekyll-archives:
-#   enabled:
-#     - categories
-#     - tags
-#   layouts:
-#     category: archive-taxonomy
-#     tag: archive-taxonomy
-#   permalinks:
-#     category: /categories/:name/
-#     tag: /tags/:name/
+jekyll-archives:
+  enabled:
+    - categories
+    - tags
+  layouts:
+    category: archive-taxonomy
+    tag: archive-taxonomy
+  permalinks:
+    category: /categories/:name/
+    tag: /tags/:name/
 
 
 # HTML Compression
diff --git a/_data/navigation.yml b/_data/navigation.yml
index 6f30866f3bed..48fd65fa00a5 100644
--- a/_data/navigation.yml
+++ b/_data/navigation.yml
@@ -1,7 +1,7 @@
 # main links
 main:
-  - title: "Quick-Start Guide"
-    url: https://mmistakes.github.io/minimal-mistakes/docs/quick-start-guide/
+  - title: "Category"
+    url: /categories/
   # - title: "About"
   #   url: https://mmistakes.github.io/minimal-mistakes/about/
   # - title: "Sample Posts"
diff --git a/_includes/head/custom.html b/_includes/head/custom.html
index 978d84fd8bdd..2c8a29f45320 100644
--- a/_includes/head/custom.html
+++ b/_includes/head/custom.html
@@ -2,4 +2,7 @@
 
 <!-- insert favicons. use https://realfavicongenerator.net/ -->
 
+{% if page.use_math %}
+    {% include mathjax-support.html %}
+{% end if %}
 <!-- end custom head snippets -->
diff --git a/_includes/mathjax-support.html b/_includes/mathjax-support.html
new file mode 100644
index 000000000000..ca5aaf0ee98f
--- /dev/null
+++ b/_includes/mathjax-support.html
@@ -0,0 +1,22 @@
+<script type="text/x-mathjax-config">
+    MathJax.Hub.Config({
+        TeX: {
+          equationNumbers: {
+            autoNumber: "AMS"
+          }
+        },
+        tex2jax: {
+        inlineMath: [ ['$', '$'] ],
+        displayMath: [ ['$$', '$$'] ],
+        processEscapes: true,
+      }
+    });
+    MathJax.Hub.Register.MessageHook("Math Processing Error",function (message) {
+          alert("Math Processing Error: "+message[1]);
+        });
+    MathJax.Hub.Register.MessageHook("TeX Jax - parse error",function (message) {
+          alert("Math Processing Error: "+message[1]);
+        });
+    </script>
+<script type="text/javascript" async src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
+</script>
\ No newline at end of file
diff --git a/_pages/category-archive.md b/_pages/category-archive.md
new file mode 100644
index 000000000000..1a1b51c4325f
--- /dev/null
+++ b/_pages/category-archive.md
@@ -0,0 +1,7 @@
+---
+title: "Category"
+layout: categories
+permalink: /categories/
+author_profile: true
+sidebar_main: true
+---
\ No newline at end of file
diff --git a/_posts/[C]01.md b/_posts/[C]01.md
new file mode 100644
index 000000000000..06faf8b467ce
--- /dev/null
+++ b/_posts/[C]01.md
@@ -0,0 +1,5 @@
+---
+layout: single
+title: "[C] C언어 기초"
+categories: [C]
+---