string(261) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=excel%E7%94%A8%E8%B5%B7%E6%9D%A5%E5%BE%88%E5%8D%A1%E6%98%AF%E4%BB%80%E4%B9%88%E5%8E%9F%E5%9B%A0 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
excel用起来很卡是什么原因
