除了Kolink的答案，您的if还在Boundary的开头寻找Boundary(clone)，而不是相反.我认为您正在寻找:

In addition to Kolink's answer, your if is looking for Boundary(clone) at the beginning of Boundary, rather than the other way around. I think you're looking for:

if (hitFront.collider.gameObject.name.IndexOf(obstacles[i]) >= 0)