string(298) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=word%E8%AE%BE%E7%BD%AE%E9%A1%B5%E8%84%9A%E5%86%85%E5%AE%B9%E4%B8%BA%E9%A1%B5%E7%A0%81%E5%92%8C%E6%97%A5%E6%9C%9F%E6%A0%BC%E5%BC%8F => Failed to connect to 101.89.117.144 port 38017: Connection refused"
word设置页脚内容为页码和日期格式
