string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8A%A0%E5%A5%BD%E5%8F%8B%E7%AC%AC%E4%B8%80%E5%8F%A5%E8%AF%9D%E5%BA%94%E8%AF%A5%E8%AF%B4%E5%95%A5%E5%91%A2 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
加好友第一句话应该说啥呢
