string(312) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BA%B7%E4%B9%83%E9%A6%A8%E9%B2%9C%E8%8A%B1%E6%80%8E%E6%A0%B7%E4%BF%9D%E9%B2%9C%E6%97%B6%E9%97%B4%E6%9B%B4%E9%95%BF%E4%B8%80%E7%82%B9%E5%91%A2 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
康乃馨鲜花怎样保鲜时间更长一点呢
