string(293) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E5%9B%BD%E5%86%85%E6%B2%B9%E4%BB%B7%E4%B8%80%E7%9B%B4%E4%B8%8A%E6%B6%A8%E5%8F%91%E6%94%B9%E5%A7%94 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
为什么国内油价一直上涨发改委
