>poll_delay</code> 字段设置）。</p><figure style=width:100%><div class=wrapper-with-intrinsic-ratio style=padding-bottom:16.551724137931036%><a data-skipendnotes=true href=/v1.19/zh/blog/2022/cryptomb-privatekeyprovider/timer-started.png title="Buffer timer started"><img class=element-to-stretch src=/v1.19/zh/blog/2022/cryptomb-privatekeyprovider/timer-started.png alt="Buffer timer started"></a></div><figcaption>Buffer timer started</figcaption></figure><p>当缓冲区已满或计时器到期时，会