diff --git a/Gemfile b/Gemfile
index 3be9c3cd812e..a2c3459cba43 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,5 @@
 source "https://rubygems.org"
-gemspec
+gemspecs
+
+gem "webrick", "~> 1.8"
+gem "minimal-mistakes-jekyll"
\ No newline at end of file
diff --git a/_config.yml b/_config.yml
index af7d57221b02..133f7909fe94 100644
--- a/_config.yml
+++ b/_config.yml
@@ -12,23 +12,23 @@
 
 # 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    : "default" # "default", "air", "aqua", "contrast", "dark", "dirt", "neon", "mint", "plum", "sunrise"
 
 # Site Settings
-locale                   : "en-US"
+locale                   : "en-US" #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                    : "import Yeong"
+title_separator          : "|" #-
+subtitle                 : "success = Yeong.steady()" # site tagline that appears below site title in masthead
+name                     : "Shinyeong-Hong"
+description              : "This is Yeong's Blog"
+url                      : "https://0package.github.io"
 baseurl                  : # the subpath of your site, e.g. "/blog"
 repository               : # GitHub username/repo-name e.g. "mmistakes/minimal-mistakes"
 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"
+logo                     : "/assets/images/developer_0.jpg" # 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
-breadcrumbs              : # true, false (default)
+breadcrumbs              : true # true, false (default)
 words_per_minute         : 200
 enable_copy_code_button  : # true, false (default)
 copyright                : # "copyright" name, defaults to site.title
@@ -113,11 +113,11 @@ analytics:
 
 # Site Author
 author:
-  name             : "Your Name"
+  name             : "Shinyeong-Hong"
   avatar           : # path of avatar image, e.g. "/assets/images/bio-photo.jpg"
-  bio              : "I am an **amazing** person."
-  location         : "Somewhere"
-  email            :
+  bio              : "This is Yeong's DevBlog"
+  location         : "Republic of Korea"
+  email            : "archiveyeong@gmail.com"
   links:
     - label: "Email"
       icon: "fas fa-fw fa-envelope-square"
@@ -133,10 +133,10 @@ author:
       # url: "https://facebook.com/"
     - label: "GitHub"
       icon: "fab fa-fw fa-github"
-      # url: "https://github.com/"
+      url: "https://github.com/0package"
     - label: "Instagram"
       icon: "fab fa-fw fa-instagram"
-      # url: "https://instagram.com/"
+      url: "https://www.instagram.com/lecrap.edoc?igsh=MW56amkyNWtudnBjZg%3D%3D&utm_source=qr"
 
 # Site Footer
 footer:
@@ -158,7 +158,7 @@ footer:
       # url:
     - label: "Instagram"
       icon: "fab fa-fw fa-instagram"
-      # url:
+      url: "https://www.instagram.com/lecrap.edoc?igsh=MW56amkyNWtudnBjZg%3D%3D&utm_source=qr"
 
 
 # Reading Files
@@ -323,3 +323,4 @@ defaults:
       comments: # true
       share: true
       related: true
+      show_date: true
diff --git a/_posts/2024-09-28-test.md b/_posts/2024-09-28-test.md
new file mode 100644
index 000000000000..dc96c1ea747d
--- /dev/null
+++ b/_posts/2024-09-28-test.md
@@ -0,0 +1,8 @@
+---
+layout: single
+title:  "Hello World!"
+---
+
+# first github-blog test
+
+![developer_0](https://github.com/user-attachments/assets/01212f98-b5d3-4ad6-ab5b-2ab902c7f686)
diff --git a/assets/images/developer_0.jpg b/assets/images/developer_0.jpg
new file mode 100644
index 000000000000..6fd255cdc0e8
Binary files /dev/null and b/assets/images/developer_0.jpg differ
diff --git a/images/2024-09-28-test/developer_0.jpg b/images/2024-09-28-test/developer_0.jpg
new file mode 100644
index 000000000000..6fd255cdc0e8
Binary files /dev/null and b/images/2024-09-28-test/developer_0.jpg differ