string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%8B%E5%8F%8B%E7%AC%AC%E4%B8%80%E6%AC%A1%E5%8A%A0%E5%BE%AE%E4%BF%A1%E8%AF%B4%E4%BB%80%E4%B9%88%E5%91%A2 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
朋友第一次加微信说什么呢
