调用$app =app('wechat');时报错Use of undefined constant CURLOPT_IPRESOLVE - assumed 'CURLOPT_IPRESOLVE'

[jkgeekJack]

我用的环境

PHP 版本：7.0
overtrue/wechat 版本：3.0

问题及现象

调用$app =app('wechat');时报错Use of undefined constant CURLOPT_IPRESOLVE - assumed 'CURLOPT_IPRESOLVE'

in Http.php line 74
at HandleExceptions->handleError('8', 'Use of undefined constant CURLOPT_IPRESOLVE - assumed 'CURLOPT_IPRESOLVE'', '/home/xjk/PhpstormProjects/leguanzhu/vendor/overtrue/wechat/src/Core/Http.php', '74', array('defaults' => array('timeout' => '5'))) in Http.php line 74
at Http::setDefaultOptions(array('timeout' => '5')) in /home/xjk/PhpstormProjects/leguanzhu/vendor/overtrue/wechat/src/Foundation/Application.php line 124

[overtrue]

https://easywechat.org/zh-cn/docs/installation.html#环境要求