generateNumbers() 需要一个参数，而您没有传入参数！

generateNumbers() expects a parameter and you aren't passing one in!

generateNumbers() 在设置第一个随机数后也会返回 - 似乎对它试图做什么有些困惑.

generateNumbers() also returns after it has set the first random number - seems to be some confusion about what it is trying to do.