string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%98%E5%88%B6%E4%BF%84%E7%BD%97%E6%96%AF%E8%BD%AE%E5%BB%93%E5%9B%BE => Failed to connect to 101.89.117.144 port 38005: Connection refused"
绘制俄罗斯轮廓图
