string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ie%E4%BF%AE%E6%94%B9%E9%BB%98%E8%AE%A4%E8%AE%BF%E9%97%AE%E4%B8%BB%E9%A1%B5 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
ie修改默认访问主页
