fix: 🐛 Announcement 显隐判断条件

themes/next/components/SideAreaRight.js

@@ -25,6 +25,8 @@ const SideAreaRight = (props) => {
   const { tagOptions, currentTag, slot, categoryOptions, currentCategory, notice } = props
   const { locale } = useGlobal()
   const router = useRouter()
+  const announcementVisible = notice && Object.keys(notice).length > 0
+
   return (<aside id='right' className={(BLOG.LAYOUT_SIDEBAR_REVERSE ? 'mr-4' : 'ml-4') + ' space-y-4 hidden xl:block flex-col w-60 relative z-10'}>
 
         {CONFIG_NEXT.RIGHT_AD && <Card className='mb-2'>
@@ -41,7 +43,7 @@ const SideAreaRight = (props) => {
         </Card>}
 
         <div className="sticky top-0 space-y-4 w-full">
-            {notice && <Card>
+            {announcementVisible && <Card>
                 <Announcement post={notice} />
             </Card>}