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%E5%90%8E%E8%A6%81%E6%8B%94%E6%8F%92%E5%A4%B4%E5%90%97 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
笔记本关机后要拔插头吗
