string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E7%AC%94%E8%AE%B0%E6%80%8E%E4%B9%88%E5%81%9A => Failed to connect to 101.89.117.144 port 38017: Connection refused"
注会笔记怎么做
