string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BE%E4%BE%8B%E8%AF%B4%E6%98%8E%E4%BB%80%E4%B9%88%E6%98%AF%E7%94%B5%E5%BD%B1%E8%92%99%E5%A4%AA%E5%A5%87 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
举例说明什么是电影蒙太奇
