string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E6%89%8B%E6%9C%80%E7%AE%80%E5%8D%95%E7%9A%84%E8%A1%A8%E6%A0%BC%E6%89%93%E5%8D%B0 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
新手最简单的表格打印
