Merge branch 'dev' of http://10.0.0.22:3000/lingxi/lingxi-business-paltform into dev

src/pages/home/components/LatestAnnounces/index.tsx

@@ -56,15 +56,22 @@ const LatestAnnouces: React.FC = () => {
     setVisible(true)
     setCurrnetNotice(row)
   }
-
+  const length = data.length;
   return (
     <div className={styles.announces}>
       <div className={styles.header}>
         <div className={styles.title}>最新公告</div>
+        {
+          length >= 6
+          ? (
             <div className={styles.nextOrPreview}>
               <Button onClick={handlePrev} icon={<LeftOutlined/>} className={styles.prev} disabled={pagination.current <= 1}></Button>
               <Button onClick={handleNext} icon={<RightOutlined/>} disabled={pagination.current * 5 >= totalCount}></Button>
             </div>
+          )
+          : null
+        }
+
       </div>
       <div className={styles.body}>
         {