string(296) "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%E9%99%85%E6%B2%B9%E4%BB%B7%E8%B7%8C%2C%E5%9B%BD%E5%86%85%E5%8D%B4%E4%B8%80%E7%9B%B4%E6%B6%A8 => Failed to connect to 101.91.112.32 port 38195: Connection refused"
为什么国际油价跌,国内却一直涨
