string(305) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ie%E6%B5%8F%E8%A7%88%E5%99%A8%E6%80%8E%E6%A0%B7%E5%B0%86%E7%BD%91%E5%9D%80%E8%AE%BE%E7%BD%AE%E4%B8%BA%E9%BB%98%E8%AE%A4%E7%BD%91%E5%9D%80 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
ie浏览器怎样将网址设置为默认网址
