{
  "schema": {
    "bsonType": "object",
    "required": ["name", "description", "icon"],
    "properties": {
      "_id": {
        "description": "存储文档 ID（文章 ID），系统自动生成"
      },
      "name": {
        "bsonType": "string",
        "description": "类别名称"
      },
      "description": {
        "bsonType": "string",
        "description": "类别描述"
      },
      "icon": {
        "bsonType": "string",
        "description": "类别图标地址"
      },
      "sort": {
        "bsonType": "int",
        "description": "类别显示顺序"
      },
      "article_count": {
        "bsonType": "int",
        "description": "该类别下文章数量"
      },
      "create_date": {
        "bsonType": "timestamp",
        "description": "创建时间"
      }
    }
  },
  "data": [],
  "index": []
}