string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B5%E8%84%91%E5%88%B6%E8%A1%A8%E6%80%8E%E4%B9%88%E7%94%BB%E7%BA%BF%E6%9D%A1 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
电脑制表怎么画线条
