其持续时间没有考虑重试延迟，因为这没有包含在执行时间中。
The duration does not take into account the retry delay, since this is not part of the execution time.
Retry delay(重试延迟)：设置重试尝试之间的延迟(秒)。
Retry delay: Sets the delay (in seconds) between retry attempts.
除了指定超时以外，您还可以通过可选的延迟来指定重试计数。
In addition to specifying the timeout, you can specify a retry count with an optional delay.
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