string(227) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=wi-fi%E5%BE%88%E6%85%A2%E6%80%8E%E4%B9%88%E8%AE%BE%E7%BD%AE => Failed to connect to 101.89.117.144 port 38208: Connection refused"
wi-fi很慢怎么设置
