string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BA%B5%E8%B4%AF%E7%BA%BF%E6%9C%89%E5%A4%9A%E5%8E%89%E5%AE%B3 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
纵贯线有多厉害
