string(274) "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%E4%B8%A4%E5%85%83%E5%BA%97%E5%A4%A7%E6%A6%82%E8%A6%81%E5%A4%9A%E5%B0%91%E9%92%B1%E5%91%A2 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
开个两元店大概要多少钱呢
