diff --git a/astro.config.mjs b/astro.config.mjs
index 9bb0b54..b964352 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -2,6 +2,7 @@ import { defineConfig } from 'astro/config';
 import { unified } from '@astrojs/markdown-remark';
 import sitemap from '@astrojs/sitemap';
 import tailwindcss from '@tailwindcss/vite';
+import remarkGfm from 'remark-gfm';
 import remarkMath from 'remark-math';
 import rehypeKatex from 'rehype-katex';
 import shortcodes from './src/lib/shortcodes.ts';
@@ -47,7 +48,8 @@ export default defineConfig({
       defaultColor: false
     },
     processor: unified({
-      remarkPlugins: [remarkMath, [shortcodes, { githubData, siteUrl: siteConfig.site.url }]],
+      gfm: false,
+      remarkPlugins: [[remarkGfm, { singleTilde: false }], remarkMath, [shortcodes, { githubData, siteUrl: siteConfig.site.url }]],
       rehypePlugins: [rehypeKatex, noticeShortcode, responsiveTables, [externalLinks, { siteUrl: siteConfig.site.url }]]
     })
   }
diff --git a/package-lock.json b/package-lock.json
index e823e4d..fb81824 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,6 +22,7 @@
         "pangu": "^9.1.0",
         "photoswipe": "^5.4.4",
         "rehype-katex": "^7.0.1",
+        "remark-gfm": "^4.0.1",
         "remark-math": "^6.0.0",
         "twikoo": "1.7.15",
         "unist-util-visit": "^5.0.0"
diff --git a/package.json b/package.json
index 8935881..673dc13 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "pangu": "^9.1.0",
     "photoswipe": "^5.4.4",
     "rehype-katex": "^7.0.1",
+    "remark-gfm": "^4.0.1",
     "remark-math": "^6.0.0",
     "twikoo": "1.7.15",
     "unist-util-visit": "^5.0.0"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 447c783..81c5ef2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -56,6 +56,9 @@ importers:
       rehype-katex:
         specifier: ^7.0.1
         version: 7.0.1
+      remark-gfm:
+        specifier: ^4.0.1
+        version: 4.0.1
       remark-math:
         specifier: ^6.0.0
         version: 6.0.0
diff --git a/src/lib/shortcodes.ts b/src/lib/shortcodes.ts
index dcf60c1..120341a 100644
--- a/src/lib/shortcodes.ts
+++ b/src/lib/shortcodes.ts
@@ -71,7 +71,7 @@ function normalizeMarkdownHeadings(source: string): string {
 
 function markdown(source: string, preserveHtml = true, lineNumbers = true): string {
   const normalized = normalizeMarkdownHeadings(source);
-  const tree = fromMarkdown(normalized, { extensions: [gfm()], mdastExtensions: [gfmFromMarkdown()] });
+  const tree = fromMarkdown(normalized, { extensions: [gfm({ singleTilde: false })], mdastExtensions: [gfmFromMarkdown()] });
   transform(tree, normalized);
   if (!preserveHtml) visit(tree, 'html', (node: any) => { if (!node.data?.shortcode) node.value = ''; });
   const hast = toHast(tree, { allowDangerousHtml: true }) as any;