string(270) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%8B%E6%9C%BAapp%E5%BC%80%E5%8F%91%E6%8A%80%E6%9C%AF%E6%96%B9%E6%A1%88%E6%80%8E%E4%B9%88%E5%86%99 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
手机app开发技术方案怎么写
