string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E4%BF%AE%E6%94%B9ie%E7%9A%84%E9%BB%98%E8%AE%A4%E8%AE%BE%E7%BD%AE => Failed to connect to 14.18.117.71 port 38220: Connection refused"
怎样修改ie的默认设置
