// 618程序员专属抽奖活动
        function startLottery() {
            const user = {
                name: "程序员",
                chances: 3
            };
            
            if (user.chances > 0) {
                const prize = drawPrize();
                return prize;
            } else {
                return "请获取更多抽奖机会";
            }
        }