schema.PopularPost

{
    "avatar": "https://example.com/avatar.png",
    "category_name": "技术讨论",
    "comment_count": 25,
    "created_at": "2024-01-01T00:00:00Z",
    "id": 1,
    "like_count": 50,
    "title": "技术分享帖",
    "username": "testuser",
    "view_count": 1500
}