{ "schema": { "bsonType": "object", "required": ["user_id"], "properties": { "_id": { "description": "ID,系统自动生成" }, "user_id": { "bsonType": "string", "description": "用户id,参考uni-id-users表" }, "ua": { "bsonType": "string", "description": "userAgent" }, "device_id": { "bsonType": "string", "description": "设备唯一标识(需要加密存储)" }, "vendor": { "bsonType": "string", "description": "设备厂商" }, "model": { "bsonType": "string", "description": "设备型号" }, "platform": { "bsonType": "string", "description": "平台类型" }, "create_date": { "bsonType": "timestamp", "description": "创建时间", "forceDefaultValue": { "$env": "now" } }, "last_active_date": { "bsonType": "timestamp", "description": "最后登录时间" }, "last_active_ip": { "bsonType": "string", "description": "最后登录IP" } } }, "index": [] }