string(259) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8F%AF%E4%BB%A5%E5%8E%BB%E5%8F%8C%E4%B8%8B%E5%B7%B4%E7%9A%84p%E5%9B%BE%E8%BD%AF%E4%BB%B6 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
可以去双下巴的p图软件
