string(234) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=excel%E4%B8%8D%E5%B0%8F%E5%BF%83%E7%82%B9%E4%BA%86%E4%BF%9D%E5%AD%98 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
excel不小心点了保存
