string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%B6%E4%BD%9C%E8%A1%A8%E6%A0%BC%E7%9A%84%E6%96%B9%E6%B3%95%E5%92%8C%E6%AD%A5%E9%AA%A4%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 101.89.159.206 port 38087: Connection refused"
制作表格的方法和步骤有哪些
