string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%81%BF%E5%85%8D%E7%8E%A9%E6%89%8B%E6%9C%BA%E7%9A%84%E6%96%B9%E6%B3%95 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
避免玩手机的方法
