string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B9%B0%E5%86%BC%E8%A1%A3%E6%9C%BA%E6%80%8E%E4%B9%88%E9%80%89 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
买冼衣机怎么选
