string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%89%B2%E9%9F%AD%E8%8F%9C%E7%9A%84%E5%A5%97%E8%B7%AF%E6%98%AF%E4%BB%80%E4%B9%88%E4%BA%BA%E8%AF%B4%E7%9A%84 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
割韭菜的套路是什么人说的
