string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%97%AB%E5%8D%8E%E7%BA%A2%E8%AE%B2%E7%9A%84%E6%80%8E%E4%B9%88%E6%A0%B7 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
闫华红讲的怎么样
