string(247) "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%E5%92%8C%E9%87%8D%E5%BA%86%E6%9C%89%E5%8C%BA%E5%88%AB%E5%90%97 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
成都和重庆有区别吗
