string(294) "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%E4%BD%BF%E7%8E%AB%E7%91%B0%E8%8A%B1%E4%BF%9D%E9%B2%9C%E6%97%B6%E9%97%B4%E5%8F%98%E9%95%BF%E4%B8%80%E4%BA%9B => Failed to connect to 101.89.117.144 port 38005: Connection refused"
怎样使玫瑰花保鲜时间变长一些
