string(283) "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%E7%94%B5%E8%84%91%E8%87%AA%E5%B8%A6%E9%94%AE%E7%9B%98%E4%B8%8D%E8%83%BD%E7%94%A8%E4%BA%86 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
笔记本电脑自带键盘不能用了
