string(251) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E7%94%BB45%E5%BA%A6%E8%A7%92%E4%B8%89%E7%A7%8D%E6%96%B9%E6%B3%95 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
如何画45度角三种方法
