string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%98%E5%AE%9D%E6%8E%89%E7%BA%BF%E6%80%8E%E4%B9%88%E5%9B%9E%E4%BA%8B%E5%95%8A => Failed to connect to 14.18.117.71 port 38133: Connection refused"
淘宝掉线怎么回事啊
