string(269) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E6%B7%BB%E5%8A%A0%E5%A5%BD%E5%8F%8B%E4%B8%8D%E6%98%BE%E7%A4%BA%E6%80%8E%E4%B9%88%E5%9B%9E%E4%BA%8B => Failed to connect to 101.89.159.206 port 38187: Connection refused"
qq添加好友不显示怎么回事
