string(271) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AE%B6%E9%87%8C%E7%9A%84wifi%E7%BD%91%E9%80%9F%E5%A4%AA%E6%85%A2%E6%80%8E%E4%B9%88%E5%8A%9E%E5%95%8A => Failed to connect to 101.89.117.144 port 38017: Connection refused"
家里的wifi网速太慢怎么办啊
