string(256) "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%E4%BD%BF%E9%A1%B5%E8%84%9A%E7%9A%84%E9%A1%B5%E7%A0%81%E8%BF%9E%E7%BB%AD => Failed to connect to 14.116.215.7 port 38225: Connection refused"
如何使页脚的页码连续
