string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E6%8A%80%E6%9C%AF%E7%9C%8B%E8%B0%81%E7%9A%84 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
注安技术看谁的
