im using httpclient and last-modified header in order to retrieve the last updated date of an html file however when i try this on a linux box it returns yesterdays date but when i use a windows machine it returns todays date. is anyone aware of issues using this header field in linux?im using httpclient and last-modified header in
阅读背景：
最后修改的头文件和linux文件系统
来源：互联网
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