完善 mdx 文件处理，修复代码高亮问题

src/app/(home)/help/tutorials/quick-start/page.tsx

@@ -1,11 +1,8 @@
 'use client'
 import QuickStart from '@/components/docs/quick-start.mdx'
-import Markdown from '@/components/markdown'
 
 export default function CollectPage() {
   return (
-    <Markdown>
-      <QuickStart/>
-    </Markdown>
+    <QuickStart/>
   )
 }