string(275) "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%E5%85%B3%E6%9C%BA%E9%9C%80%E4%B8%8D%E9%9C%80%E8%A6%81%E6%8B%94%E7%94%B5%E6%BA%90 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
笔记本关机需不需要拔电源
