string(237) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%AC%94%E8%AE%B0%E6%9C%AC%E6%80%8E%E4%B9%88%E9%80%89%E6%89%8D%E5%A5%BD => Failed to connect to 14.18.46.51 port 38206: Connection refused"
笔记本怎么选才好
