string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E7%BE%8E%E5%9B%BD%E9%82%A3%E4%B9%88%E5%A4%9A%E5%A4%96%E6%98%9F%E4%BA%BA => Failed to connect to 101.89.117.144 port 38017: Connection refused"
为什么美国那么多外星人
