string(310) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E6%89%8D%E8%83%BD%E4%BD%BF%E7%8E%AB%E7%91%B0%E8%8A%B1%E4%BF%9D%E9%B2%9C%E7%9A%84%E6%97%B6%E9%97%B4%E9%95%BF%E4%B8%80%E7%82%B9 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
怎样才能使玫瑰花保鲜的时间长一点
