string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%8B%E6%8F%90%E7%94%B5%E8%84%91%E6%9C%80%E5%A5%BD%E9%85%8D%E7%BD%AE => Failed to connect to 14.18.117.71 port 38133: Connection refused"
手提电脑最好配置
