diff --git a/src/components/editor/CodeThemeSelector.tsx b/src/components/editor/CodeThemeSelector.tsx
index 496c1ac..85df236 100644
--- a/src/components/editor/CodeThemeSelector.tsx
+++ b/src/components/editor/CodeThemeSelector.tsx
@@ -14,7 +14,7 @@ export function CodeThemeSelector({ value, onChange }: CodeThemeSelectorProps) {
     <div className="flex items-center gap-4">
       <Label>代码主题</Label>
       <Select value={value} onValueChange={onChange}>
-        <SelectTrigger className="w-[180px]">
+        <SelectTrigger className="w-[140px]">
           <SelectValue placeholder="选择代码主题" />
         </SelectTrigger>
         <SelectContent>
diff --git a/src/components/editor/components/EditorToolbar.tsx b/src/components/editor/components/EditorToolbar.tsx
index d1ea5c2..e56b4fb 100644
--- a/src/components/editor/components/EditorToolbar.tsx
+++ b/src/components/editor/components/EditorToolbar.tsx
@@ -1,7 +1,7 @@
 'use client'
 
 import { useState } from 'react'
-import { Copy, Plus, Save, Smartphone, Settings } from 'lucide-react'
+import { Copy, Plus, Save, Smartphone, Settings, Github } from 'lucide-react'
 import { cn } from '@/lib/utils'
 import { WechatStylePicker } from '../../template/WechatStylePicker'
 import { TemplateManager } from '../../template/TemplateManager'
@@ -173,21 +173,31 @@ export function EditorToolbar({
                 <Save className="h-4 w-4" />
                 <span>保存</span>
               </button>
-              <button
-                onClick={handleCopy}
-                className="inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-md hover:bg-muted text-sm transition-colors"
-              >
-                <Copy className="h-4 w-4" />
-                <span>复制源码</span>
-              </button>
+             
               <button
                 onClick={handleCopyPreview}
                 className="inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-md bg-primary text-primary-foreground hover:bg-primary/90 text-sm transition-colors"
               >
                 <Copy className="h-4 w-4" />
-                <span>复制预览</span>
+                <span>复制</span>
               </button>
-              <ThemeToggle />
+              <div className="flex items-center gap-1">
+                <ThemeToggle />
+                <Button
+                  variant="ghost"
+                  size="icon"
+                  asChild
+                >
+                  <Link
+                    href="https://github.com/tianyaxiang/neurapress"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                  >
+                    <Github className="h-5 w-5" />
+                    <span className="sr-only">GitHub</span>
+                  </Link>
+                </Button>
+              </div>
             </div>
           </div>
         </div>
diff --git a/src/components/nav/MainNav.tsx b/src/components/nav/MainNav.tsx
index 3068fb6..5ac912e 100644
--- a/src/components/nav/MainNav.tsx
+++ b/src/components/nav/MainNav.tsx
@@ -5,6 +5,8 @@ import { usePathname } from 'next/navigation'
 import { cn } from '@/lib/utils'
 import { ThemeToggle } from '@/components/theme-toggle'
 import { Logo } from '@/components/icons/Logo'
+import { Github } from 'lucide-react'
+import { Button } from '@/components/ui/button'
 
 const navigation = [
   { name: '微信公众号', href: '/wechat' },
@@ -48,6 +50,20 @@ export function MainNav() {
               专业的内容转换工具
             </p>
             <ThemeToggle />
+            <Button
+              variant="ghost"
+              size="icon"
+              asChild
+            >
+              <Link
+                href="https://github.com/tianyaxiang/neurapress"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+                <Github className="h-5 w-5" />
+                <span className="sr-only">GitHub</span>
+              </Link>
+            </Button>
           </div>
         </div>
       </div>