string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=word%E9%A1%B5%E8%84%9A%E8%AE%BE%E7%BD%AE%E8%BF%9E%E7%BB%AD%E9%A1%B5%E7%A0%81 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
word页脚设置连续页码
