string(235) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=word%E6%89%B9%E9%87%8F%E5%91%BD%E5%90%8D%E5%8A%A0%E5%BA%8F%E5%8F%B7 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
word批量命名加序号
