string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8F%91%E7%8E%B0%E5%92%8C%E6%9C%8B%E5%8F%8B%E8%B6%8A%E6%9D%A5%E8%B6%8A%E8%BF%9C%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 101.89.166.210 port 38089: Connection refused"
发现和朋友越来越远怎么办
