{
  "schema": {
    "bsonType": "object",
    "required": ["user_id", "score", "balance"],
    "properties": {
      "_id": {
        "description": "ID，系统自动生成"
      },
      "user_id": {
        "bsonType": "string",
        "description": "用户id，参考uni-id-users表"
      },
      "score": {
        "bsonType": "int",
        "description": "本次变化的积分"
      },
      "type": {
        "bsonType": "int",
        "enum": [1, 2],
        "description": "积分类型 1:收入 2:指出"
      },
      "balance": {
        "bsonType": "int",
        "description": "变化后的积分余额"
      },
      "comment": {
        "bsonType": "string",
        "description": "备注，说明积分新增、消费的缘由"
      },
      "create_date": {
        "bsonType": "timestamp",
        "description": "创建时间",
        "forceDefaultValue": {
          "$env": "now"
        }
      }
    }
  },
  "index": []
}