string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%B9%E6%9E%9C%E9%AA%8C%E6%9C%BA%E7%9A%84%E6%96%B9%E6%B3%95 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
苹果验机的方法
