string(247) "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%E9%94%AE%E7%9B%98%E6%81%A2%E5%A4%8D%E6%AD%A3%E5%B8%B8 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
笔记本键盘恢复正常
