string(249) "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%95%A5%E5%85%B3%E7%B3%BB => Failed to connect to 101.89.117.144 port 38022: Connection refused"
成都和重庆有啥关系
