string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%96%E7%95%8C%E4%B8%8A%E7%9A%84%E5%8D%81%E5%A4%A7%E5%9C%B0%E9%9C%87%E6%98%AF%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
世界上的十大地震是什么时候
