string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%90%84%E5%93%81%E7%89%8C%E6%89%8B%E6%9C%BA%E5%85%85%E7%94%B5%E5%8D%8F%E8%AE%AE%E4%B8%80%E6%A0%B7%E5%90%97 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
各品牌手机充电协议一样吗
