{"bsonType":"object","properties":{"_id":{"description":"ID，系统自动生成"},"code":{"bsonType":"string","description":"验证码"},"create_date":{"bsonType":"timestamp","description":"创建时间"},"device_uuid":{"bsonType":"string","description":"设备UUID，常用于图片验证码"},"email":{"bsonType":"string","description":"邮箱"},"expired_date":{"bsonType":"timestamp","description":"过期时间"},"ip":{"bsonType":"string","description":"请求时客户端IP地址"},"mobile":{"bsonType":"string","description":"手机号码"},"scene":{"bsonType":"string","description":"使用验证码的场景，如：login, bind, unbind, pay"},"state":{"bsonType":"int","description":"验证状态：0 未验证、1 已验证、2 已作废"}},"required":[]}