string(302) "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%E4%B8%A4%E7%A7%8D%E6%96%B9%E6%B3%95%E7%9A%84%E5%8C%BA%E5%88%AB%E5%92%8C%E8%81%94%E7%B3%BB => Failed to connect to 101.91.112.32 port 38162: Connection refused"
制作表格的两种方法的区别和联系
