string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ie%E5%B0%86%E7%BD%91%E9%A1%B5%E8%AE%BE%E7%BD%AE%E6%88%90%E9%BB%98%E8%AE%A4%E4%B8%BB%E9%A1%B5 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
ie将网页设置成默认主页
