string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BC%80%E4%B8%AA%E6%8A%95%E8%B5%84%E5%B0%8F%E7%9A%84%E5%BA%97%E5%BC%80%E4%BB%80%E4%B9%88%E5%A5%BD%E4%B8%80%E7%82%B9 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
开个投资小的店开什么好一点
