string(227) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ad6.9%E6%80%8E%E4%B9%88%E8%AE%BE%E7%BD%AE%E4%B8%AD%E6%96%87 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
ad6.9怎么设置中文
