string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%90%84%E5%9B%BD%E8%8B%B1%E6%96%87%E5%90%8D%E7%A7%B0%E5%92%8C%E5%9B%BD%E6%97%97 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
各国英文名称和国旗
