string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8A%A0%E4%BA%86%E5%A5%BD%E5%8F%8B%E7%9A%84%E7%AC%AC%E4%B8%80%E5%8F%A5%E8%AF%9D%E6%98%AF%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
加了好友的第一句话是什么
