string(251) "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%AEie%E4%B8%BB%E9%A1%B5%E4%B8%BA%E7%A9%BA%E7%99%BD => Failed to connect to 101.89.117.144 port 38017: Connection refused"
如何设置ie主页为空白
