{
    "user.not_found": {
        "code": 100002,
        "message": "用户不存在"
    },
    "user.login_success": {
        "code": 0,
        "message": "登录成功"
    },
    "user.welcome": {
        "code": 0,
        "message": "欢迎，%s"
    },
    "user.logout": {
        "code": 0,
        "message": "退出登录"
    },
    "error.invalid_params": {
        "code": 100001,
        "message": "参数无效"
    },
    "error.server_error": {
        "code": 100003,
        "message": "服务器错误"
    },
    "order.created": {
        "code": 0,
        "message": "订单创建成功"
    },
    "order.paid": {
        "code": 0,
        "message": "订单支付成功"
    },
    "message.count": {
        "code": 0,
        "message": "您有 %d 条新消息"
    }
}