Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我不断看到 URL /_ah/background 的日志。是因为使用了后台线程吗？谁在拨打这些电话，谁在接听电话。有人知道吗？谢谢！