{
  "schema": {
    "bsonType": "object",
    "required": ["code", "name", "province_code"],
    "properties": {
      "_id": {
        "description": "ID，系统自动生成"
      },
      "code": {
        "bsonType": "string",
        "description": "地级编码"
      },
      "name": {
        "bsonType": "string",
        "description": "地级名称"
      },
      "province_code": {
        "bsonType": "string",
        "description": "省级编码"
      }
    }
  },
  "data": "data.json",
  "index": []
}