At the end of 1999, the government charged Taipei Bank with Public Welfare Lottery's Scratch-n-Win to be issued on an irregular schedule--a boon to people who wanted to strike it rich, but to Chang Wei-hsin, the news was nothing short of disastrous.
到了 1999 年底，政府委託台北銀行不定期推出公益彩券「吉時樂」（刮刮樂），想發財的民眾大為興奮，但對張維信來說卻是個「很糟糕」的消息。