string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E8%AE%BE%E7%BD%AE%E9%A1%B5%E8%84%9A%E7%9A%84%E9%A1%B5%E7%A0%81%E6%A0%BC%E5%BC%8F%E4%B8%8D%E5%8F%98%E5%8A%A8 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
如何设置页脚的页码格式不变动
