string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8E%A8%E7%89%B9%E4%B8%8D%E8%83%BD%E5%8F%96%E6%B6%88%E5%85%B3%E6%B3%A8%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
推特不能取消关注吗
