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%E9%94%AE%E7%9B%98%E9%83%BD%E6%B2%A1%E5%8F%8D%E5%BA%94 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
笔记本键盘都没反应
