string(255) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%87%E4%BB%B6%E5%A6%82%E4%BD%95%E9%87%8D%E6%96%B0%E6%8E%92%E5%BA%8F%E6%89%93%E5%8D%B0 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
文件如何重新排序打印
