diff --git a/apps/blogai/components/header.tsx b/apps/blogai/components/header.tsx
index d9d7054..9c6112e 100644
--- a/apps/blogai/components/header.tsx
+++ b/apps/blogai/components/header.tsx
@@ -134,7 +134,7 @@ export function DetailPageHeader({ data }: { data: any }) {
 
   return (
     <div className="sticky top-0 z-30 bg-white">
-      <div className="b-40 md:mb-60 w-11/12 lg:w-2/3 xl:w-3/5  mx-auto">
+      <div className="w-11/12 lg:w-2/3 xl:w-3/5  mx-auto">
         <div className="flex items-start space-x-6">
           {/* 左图标（可点） */}
           <button