如题所述
https://addons.mozilla.org/en-us/firefox/addon/tryagain/
TryAgain3.4.6作者: Paul Lammertsma, Mathijs Lagerberg
TryAgain keeps trying to load a webpage when the server cannot be reached.
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第1个回答 2013-06-18
好几个有关的扩展 挑自己顺手的吧