string(294) "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%E8%91%97%E5%90%8D%E7%9A%84%E6%81%90%E6%80%96%E8%A2%AD%E5%87%BB%E4%BA%8B%E4%BB%B6%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 125.88.227.171 port 38062: Connection refused"
世界著名的恐怖袭击事件有哪些
