string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%8E%E5%BC%BA%E5%8C%97%E5%8D%96%E7%9A%84%E6%89%8B%E6%9C%BA%E8%83%BD%E7%94%A8%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
华强北卖的手机能用吗
