string(302) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%80%83%E5%88%9D%E7%BA%A7%E6%B3%A8%E5%AE%89%E5%B7%A5%E7%A8%8B%E5%B8%88%E6%9C%89%E7%94%A8%E5%90%97%E7%9F%A5%E4%B9%8E%E6%8E%A8%E8%8D%90 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
考初级注安工程师有用吗知乎推荐
