string(234) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=excel%E5%BE%88%E5%8D%A1%E5%BE%88%E6%85%A2%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 61.171.74.35 port 38041: Connection refused"
excel很卡很慢怎么办
