vendor('Hprose.HproseHttpClient');
$client = new \HproseHttpClient('tcp4://172.18.20.125:4321/');
$result = $client->GetResponseString();
报错：
1: Protocol tcp4 not supported or disabled in libcurl
错误位置
FILE: E:\workItem\www.yihu.com\ThinkPHP\Library\Vendor\Hprose\HproseHttpClient.php 　LINE: 245
TRACE
#0 E:\workItem\www.yihu.com\ThinkPHP\Library\Vendor\Hprose\HproseClient.php(58): HproseHttpClient->send('Cs17"GetRespons...')
#1 E:\workItem\www.yihu.com\ThinkPHP\Library\Vendor\Hprose\HproseClient.php(112): HproseClient->invoke('GetResponseStri...', Array)
#2 E:\workItem\www.yihu.com\Application\Yihu\Common\function.php(38): HproseClient->__call('GetResponseStri...', Array)
#3 E:\workItem\www.yihu.com\Application\Yihu\Common\function.php(38): HproseHttpClient->GetResponseString('BS_ANALYZE_YY', 'LBS_DISPATCH_YH...', '{"BS_ANALYZE_YY...')
#4 E:\workItem\www.yihu.com\Application\Yihu\Logic\SoapLogic.class.php(60): soapClient('BS_ANALYZE_YY', Array, 'LBS_DISPATCH_YH...', '')
#5 E:\workItem\www.yihu.com\Application\Yihu\Event\DomainEvent.class.php(44): Yihu\Logic\SoapLogic->getInfo(Array)
#6 E:\workItem\www.yihu.com\Application\Yihu\Controller\IndexController.class.php(13): Yihu\Event\DomainEvent->getDomainInfo(Array)
#7 [internal function]: Yihu\Controller\IndexController->index()
#8 E:\workItem\www.yihu.com\ThinkPHP\Library\Think\App.class.php(156): ReflectionMethod->invoke(object(Yihu\Controller\IndexController))
#9 E:\workItem\www.yihu.com\ThinkPHP\Library\Think\App.class.php(194): Think\App::exec()
#10 E:\workItem\www.yihu.com\ThinkPHP\Library\Think\Think.class.php(120): Think\App::run()
#11 E:\workItem\www.yihu.com\ThinkPHP\ThinkPHP.php(97): Think\Think::start()
#12 E:\workItem\www.yihu.com\index.php(30): require('E:\\workItem\\www...')
#13 {main}

大侠们，帮看看啊，急