string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%85%AC%E5%8F%B8%E5%A4%A7%E5%91%A8%E5%B0%8F%E5%91%A8%E6%80%8E%E4%B9%88%E5%AE%9A%E4%B9%89%E7%9A%84 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
公司大周小周怎么定义的
