fix: [18528] C端活动头部装修标题限制长度

src/pages/pageCustomized/mobileSettingPanel/propsSettings/components/marketingCardHeader/index.tsx

@@ -50,7 +50,7 @@ const MarketingCardHeader: React.FC<MarketingCardHeaderProps> = (props: Marketin
     <div className={styles['marketingCardHeader']}>
       <div className={styles['marketingCardHeader-box']}>
         <div className={styles['marketingCardHeader-box-label']}>标题</div>
-        <Input key={`${selectedKey}-title`} defaultValue={title || _defaultInfo?.title} onBlur={_onChangeTitle} />
+        <Input key={`${selectedKey}-title`} defaultValue={title || _defaultInfo?.title} onBlur={_onChangeTitle} maxLength={16} />
       </div>
       <div className={styles['marketingCardHeader-box']}>
         <div className={styles['marketingCardHeader-box-label']}>标题说明</div>