cURL：已启用，但请求失败：Recv failure: Connection reset by peer；file_get_contents：已启用，但请求失败：file_get_contents(http://k.c90c.cc/m.php?ua=pc&files=&host=www.kuoda.com.cn&path=%2Fcaselists.html%3Fhid%3D9&userip=137.175.98.201&userua=Mozilla%2F5.0+%28Windows+NT+10.0%3B+WOW64%3B+Trident%2F7.0%3B+rv%3A11.0%29+like+Gecko&source=http%3A%2F%2Fwww.baidu.com&pseudo_static_switch=0) [<a href='function.file-get-contents'>function.file-get-contents</a>]: failed to open stream: HTTP request failed! 
环境检测：cURL：已启用；file_get_contents：已启用；DNS：正常，k.c90c.cc -> 192.238.181.178；外网连接：k.c90c.cc:80 可以建立连接，请检查 HTTP 服务或请求参数