是的,实际上chrome是按照w3c标准来执行的我把它摘录出来Terminate these steps if header is a case-insensitive match for one of the following headers:Accept-CharsetAccept-EncodingConnectionContent-LengthCookieCookie2Content-Transfer-EncodingDateExpectHostKeep-AliveRefererTETrailerTransfer-EncodingUpgradeUser-AgentVia也就是说,当你的header匹配以上字符时,这一步骤将被终止