string(199) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B8%A6%E5%AE%BD%E5%92%8Cmbps => Failed to connect to 101.89.117.144 port 38076: Connection refused"
带宽和mbps网!