string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%A5%A8%E6%88%BF%E5%88%B0%E5%BA%95%E7%A9%B6%E7%AB%9F%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E5%95%8A => Failed to connect to 14.18.117.71 port 38041: Connection refused"
票房到底究竟是什么意思啊
