修复朋友圈封面信息被错误解析的问题；解决了一些安全问题

src/components/Sns/SnsPostItem.tsx

@@ -264,7 +264,7 @@ export const SnsPostItem: React.FC<SnsPostItemProps> = ({ post, onPreview, onDeb
 
                 {showMediaGrid && (
                     <div className="post-media-container">
-                        <SnsMediaGrid mediaList={post.media} onPreview={onPreview} onMediaDeleted={[1, 54].includes(post.type ?? 0) ? () => setMediaDeleted(true) : undefined} />
+                        <SnsMediaGrid mediaList={post.media} postType={post.type} onPreview={onPreview} onMediaDeleted={[1, 54].includes(post.type ?? 0) ? () => setMediaDeleted(true) : undefined} />
                     </div>
                 )}