string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%BE%E6%8A%95%E8%B5%84%E4%BA%BA%E6%8A%95%E8%B5%84%E7%9A%84%E8%BD%AF%E4%BB%B6 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
找投资人投资的软件
