string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%88%90%E9%83%BD%E8%B7%9F%E9%87%8D%E5%BA%86%E7%9A%84%E5%B7%AE%E5%88%AB%E5%9C%A8%E5%93%AA => Failed to connect to 101.91.112.32 port 38162: Connection refused"
成都跟重庆的差别在哪
