string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ie%E5%A6%82%E4%BD%95%E8%AE%BE%E7%BD%AE%E4%B8%BA%E4%B8%BB%E9%A1%B5 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
ie如何设置为主页
