string(265) "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%E7%94%A8%E6%8B%94%E6%8E%89%E7%94%B5%E6%BA%90%E5%90%97 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
笔记本关机用拔掉电源吗
