1）顾客一个code只能猜一只马，在以名次决定奖金 / Customer can only guess one horse with one code, and the prize is determined by the ranking.
2）可以set指定的code赢指定的奖品 / You can set the specified code to win the specified prize.
3）还原跑马游戏/ Restore the horse racing game
4）声音可以换 （赢的声音和游戏的声音）/ The sound can be changed (the sound of winning and the sound of the game)
5）奖品自由更换 / Prizes are free to change.
6）Database可以看什么code赢了什么奖品 / The database can see what codes have won what prizes.
7)   我们有提供免费弄voucher code给顾客/ We have provided free voucher code to customers.
8）每一个voucher code都是random字眼，顾客不容易猜到 / Each promo code is a random word / number, which is not easy for customers to guess.
9）一个voucher code只能玩一次 / One promo code can only played once.