string(249) "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%AA%81%E7%84%B6%E9%94%AE%E7%9B%98%E5%A4%B1%E6%95%88 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
笔记本突然键盘失效
