string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%A4%9A%E5%A4%9A%E6%B2%A1%E6%90%9C%E7%B4%A2%E4%BA%86 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
拼多多没搜索了
