diff --git a/config/plugins/markdown.js b/config/plugins/markdown.js
index 4dccfa2..45bc300 100644
--- a/config/plugins/markdown.js
+++ b/config/plugins/markdown.js
@@ -1,8 +1,20 @@
 const markdownIt = require("markdown-it");
+const markdownItFootnote = require("markdown-it-footnote");
+const markdownItPrism = require("markdown-it-prism");
+const markdownItAbbr = require("markdown-it-abbr");
+const markdownItAnchor = require("markdown-it-anchor");
 
-module.exports = markdownIt({
+const markdown = markdownIt({
   html: true,
   breaks: true,
   linkify: true,
   typographer: true,
-});
+})
+  .use(markdownItFootnote)
+  .use(markdownItAbbr)
+  .use(markdownItAnchor)
+  .use(markdownItPrism, {
+    defaultLanguage: "plaintext",
+  });
+
+module.exports = markdown;
diff --git a/package.json b/package.json
index 5d94cd2..7ef9ca9 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,10 @@
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-prettier": "5.1.3",
     "markdown-it": "^14.0.0",
+    "markdown-it-abbr": "^2.0.0",
+    "markdown-it-anchor": "^8.6.7",
+    "markdown-it-footnote": "^4.0.0",
+    "markdown-it-prism": "^2.3.0",
     "postcss": "^8.4.33",
     "postcss-import": "^16.0.0",
     "postcss-import-ext-glob": "^2.1.1",
diff --git a/src/pages/index.md b/src/pages/index.md
index 264cbab..b0a3c52 100644
--- a/src/pages/index.md
+++ b/src/pages/index.md
@@ -248,7 +248,7 @@ This is HTML abbreviation example.
 
 It converts "HTML", but keep intact partial entries like "xxxHTMLyyy" and so on.
 
-\*[HTML]: Hyper Text Markup Language
+*[HTML]: Hyper Text Markup Language
 
 ### [Custom containers](https://github.com/markdown-it/markdown-it-container)
 
diff --git a/yarn.lock b/yarn.lock
index 81a5a5e..f3c464e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1459,6 +1459,28 @@ luxon@^3.3.0:
   resolved "https://registry.yarnpkg.com/luxon/-/luxon-3.4.4.tgz#cf20dc27dc532ba41a169c43fdcc0063601577af"
   integrity sha512-zobTr7akeGHnv7eBOXcRgMeCP6+uyYsczwmeRCauvpvaAltgNyTbLH/+VaEAPUeWBT+1GuNmz4wC/6jtQzbbVA==
 
+markdown-it-abbr@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/markdown-it-abbr/-/markdown-it-abbr-2.0.0.tgz#aa01d8ff23ebf672f9a7db02a974e59254ce7acb"
+  integrity sha512-of7C8pXSjXjDojW4neNP+jD7inUYH/DO0Ca+K/4FUEccg0oHAEX/nfscw0jfz66PJbYWOAT9U8mjO21X5p6aAw==
+
+markdown-it-anchor@^8.6.7:
+  version "8.6.7"
+  resolved "https://registry.yarnpkg.com/markdown-it-anchor/-/markdown-it-anchor-8.6.7.tgz#ee6926daf3ad1ed5e4e3968b1740eef1c6399634"
+  integrity sha512-FlCHFwNnutLgVTflOYHPW2pPcl2AACqVzExlkGQNsi4CJgqOHN7YTgDd4LuhgN1BFO3TS0vLAruV1Td6dwWPJA==
+
+markdown-it-footnote@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/markdown-it-footnote/-/markdown-it-footnote-4.0.0.tgz#02ede0cb68a42d7e7774c3abdc72d77aaa24c531"
+  integrity sha512-WYJ7urf+khJYl3DqofQpYfEYkZKbmXmwxQV8c8mO/hGIhgZ1wOe7R4HLFNwqx7TjILbnC98fuyeSsin19JdFcQ==
+
+markdown-it-prism@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/markdown-it-prism/-/markdown-it-prism-2.3.0.tgz#8b3ca2105e665ca20f62b2dc2b81f9393660a5af"
+  integrity sha512-ePtHY80gZyeje4bn3R3SL0jpd1C9HFaYffJW2Ma0YD+tspqa2v9TuVwUyFwboFu4jnFNcO8oPQROgbcYJbmBvw==
+  dependencies:
+    prismjs "1.29.0"
+
 markdown-it@^13.0.1:
   version "13.0.2"
   resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-13.0.2.tgz#1bc22e23379a6952e5d56217fbed881e0c94d536"
@@ -2039,6 +2061,11 @@ prettier@3.2.4:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.2.4.tgz#4723cadeac2ce7c9227de758e5ff9b14e075f283"
   integrity sha512-FWu1oLHKCrtpO1ypU6J0SbK2d9Ckwysq6bHj/uaCP26DxrPpppCLQRGVuqAxSTvhF00AcvDRyYrLNW7ocBhFFQ==
 
+prismjs@1.29.0:
+  version "1.29.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.29.0.tgz#f113555a8fa9b57c35e637bba27509dcf802dd12"
+  integrity sha512-Kx/1w86q/epKcmte75LNrEoT+lX8pBpavuAbvJWRXar7Hz8jrtF+e3vY751p0R8H9HdArwaCTNDDzHg/ScJK1Q==
+
 promise-each@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/promise-each/-/promise-each-2.2.0.tgz#3353174eff2694481037e04e01f77aa0fb6d1b60"