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%E8%8C%B6%E5%8F%B6%E5%BA%97%E6%8A%95%E8%B5%84%E5%BE%97%E5%A4%9A%E5%B0%91%E9%92%B1%E5%95%8A => Failed to connect to 14.18.117.71 port 38069: Connection refused"
开个茶叶店投资得多少钱啊
