string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E8%AE%BE%E7%BD%AE%E4%B8%BAie%E7%9A%84%E9%BB%98%E8%AE%A4%E4%B8%BB%E9%A1%B5 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
如何设置为ie的默认主页
