string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E6%89%8B%E5%85%A5%E9%97%A8%E7%AC%94%E8%AE%B0%E6%9C%AC%E7%94%B5%E8%84%91 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
新手入门笔记本电脑
