Discuz! System Error An unknown error occurred. May be DNS Error.

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Discuz! System ErrorAn unknown error occurred. May be DNS Error. 解决办法：找到source/plugin/manyou/Service/Client/Restful.php文件查找代码:$result = $this->_fsockopen($url, 0, $data, '', false, $ip,5);改为下面代码:$result = $this->_fsockopen($url, 0, $data, '', false, $ip,30);