string(244) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E7%AC%94%E8%AE%B0%E6%9C%AC%E5%A6%82%E4%BD%95%E9%80%89%E6%8B%A9 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
2021年笔记本如何选择
