string(366) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B9%B0%E6%9D%A5%E7%9A%84%E7%8E%AB%E7%91%B0%E8%8A%B1%E6%9D%9F%E6%80%8E%E6%A0%B7%E5%85%BB%E4%B9%85%E4%B8%80%E7%82%B9%E8%A6%81%E5%8E%BB%E6%8E%89%E6%9E%AF%E8%90%8E%E7%9A%84%E8%8A%B1%E7%93%A3%E5%90%97 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
买来的玫瑰花束怎样养久一点要去掉枯萎的花瓣吗
