string(278) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=word%E6%96%87%E6%A1%A3%E9%A1%B5%E8%84%9A%E5%A6%82%E4%BD%95%E8%AE%BE%E7%BD%AE%E9%A1%B5%E7%A0%81%E6%A0%BC%E5%BC%8F => Failed to connect to 14.18.117.71 port 38164: Connection refused"
word文档页脚如何设置页码格式
