diff --git a/scripts/copy-katex.js b/scripts/copy-katex.js
deleted file mode 100644
index 9bcb68c..0000000
--- a/scripts/copy-katex.js
+++ /dev/null
@@ -1,13 +0,0 @@
-import fs from 'fs'
-import path from 'path'
-
-// 复制KaTeX CSS文件到public目录
-const sourcePath = path.join(process.cwd(), 'node_modules/katex/dist/katex.min.css')
-const targetPath = path.join(process.cwd(), 'public/katex.min.css')
-
-try {
-  fs.copyFileSync(sourcePath, targetPath)
-  console.log('✅ KaTeX CSS copied to public directory')
-} catch (error) {
-  console.error('❌ Failed to copy KaTeX CSS:', error.message)
-}
diff --git a/src/components/layout/Header.astro b/src/components/layout/Header.astro
index e957a94..81e0fbc 100644
--- a/src/components/layout/Header.astro
+++ b/src/components/layout/Header.astro
@@ -5,9 +5,7 @@ import ThemeToggle from '@/components/ui/ThemeToggle.astro'
 
 <header>
   <nav>
-    <div class="logo-container">
-      <a href="/">{themeConfig.site.title}</a>
-    </div>
+    <a href="/">{themeConfig.site.title}</a>
     <ThemeToggle />
   </nav>
 </header>
@@ -27,7 +25,4 @@ import ThemeToggle from '@/components/ui/ThemeToggle.astro'
     min-width: 3rem;
     display: inline-block;
   }
-  .logo-container {
-    position: relative;
-  }
 </style>
diff --git a/src/content/about/about.md b/src/content/about/about.md
index 6885876..638dd93 100644
--- a/src/content/about/about.md
+++ b/src/content/about/about.md
@@ -1,5 +1,5 @@
 ---
-title: About
+title: 'About'
 ---
 
 <!--
diff --git a/src/content/posts/_draft-example.md b/src/content/posts/_draft-example.md
index 140ce49..7f392ee 100644
--- a/src/content/posts/_draft-example.md
+++ b/src/content/posts/_draft-example.md
@@ -1,5 +1,5 @@
 ---
-title: draft-example
+title: 'Draft Example'
 pubDate: '2025-07-09'
 ---
 
diff --git a/src/content/posts/the-tr-808-story.md b/src/content/posts/the-tr-808-story.md
index 1c5e8f0..ea63e23 100644
--- a/src/content/posts/the-tr-808-story.md
+++ b/src/content/posts/the-tr-808-story.md
@@ -1,5 +1,5 @@
 ---
-title: The TR-808 Story
+title: 'The TR-808 Story'
 pubDate: '2025-05-10'
 ---
 
diff --git a/src/styles/global.css b/src/styles/global.css
index 61d45f7..9112346 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -129,7 +129,7 @@ body {
 
 @media (max-width: 768px) {
   body {
-    padding: 4rem 1.25rem 1.25rem 1.25rem;
+    padding: 3.5rem 1.5rem 1.5rem 1.5rem;
   }
 }