A ServiceWorker could not be started immediately because other documents in the same origin are already using the maximum number of workers. The ServiceWorker is now queued and will be started after some of the other workers have completed.
一个 ServiceWorker 不能立即开始，因为同源的其他文档已经占用了最大数量的 Worker。ServiceWorker 现在将进行排队，并在其他一些 Worker 完成后开始。