string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E6%9C%8B%E5%8F%8B%E5%88%9A%E5%8A%A0%E5%BE%AE%E4%BF%A1%E8%AF%A5%E5%A6%82%E4%BD%95%E6%89%93%E6%8B%9B%E5%91%BC%E5%91%A2 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
新朋友刚加微信该如何打招呼呢
