{"message":"小新图集小程序后端API","version":"2.0.0","status":"running","endpoints":{"GET /api/authors":"获取所有作者","POST /api/authors":"创建新作者","GET /api/authors/:id":"获取指定作者信息","PUT /api/authors/:id":"更新作者信息","DELETE /api/authors/:id":"删除作者","GET /api/items":"获取所有图片项目","GET /api/items/type/:type":"按类型获取图片项目","GET /api/items/author/:authorId":"获取指定作者的图片项目","POST /api/items":"创建新图片项目","PUT /api/items/:id":"更新图片项目","DELETE /api/items/:id":"删除图片项目","GET /api/tags":"获取所有标签","GET /api/categories":"获取分类结构","PUT /api/categories/:mainType":"更新分类信息","POST /api/categories/:mainType/subcategories":"添加子分类","PUT /api/categories/:mainType/subcategories/:subId":"更新子分类","DELETE /api/categories/:mainType/subcategories/:subId":"删除子分类","GET /api/stats/categories":"获取分组统计信息","GET /api/items/category/:mainType/:subType?":"按分类获取图片项目","PUT /api/tags":"更新标签","POST /api/tags/:category":"添加标签到分类","DELETE /api/tags/:category/:tag":"删除标签","POST /api/upload":"上传单个图片文件","POST /api/upload/batch":"批量上传图片文件","POST /api/items/batch":"批量创建图片项目","GET /uploads/:filename":"访问上传的图片","GET /admin":"图片管理后台"}}