HTTP/1.1 301 Moved Permanently Server: Tengine Content-Type: text/html; charset=UTF-8 Content-Length: 0 Connection: keep-alive Date: Wed, 16 Jan 2019 12:06:09 GMT X-Powered-By: HHVM/3.22.1 Location: /perl?perl/perl-tutorial.html/perl?perl/perl-tutorial.html-tutorial.html/perl?perl/perl-tutorial.html/perl?perl/perl-tutorial.html-tutorial.html-tutorial.html Link: ; rel="https://api.w.org/" Vary: Accept-Encoding Ali-Swift-Global-Savetime: 1547640369 Via: cache7.l2et15-2[66,301-0,M], cache41.l2et15-2[67,0], kunlun1.cn1259[76,301-0,M], kunlun2.cn1259[80,0] Age: 0 X-Cache: MISS TCP_MISS dirn:-2:-2 X-Swift-SaveTime: Wed, 16 Jan 2019 12:06:09 GMT X-Swift-CacheTime: 86400 Timing-Allow-Origin: * EagleId: da5ed29615476403692078794e