string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%88%91%E5%9B%BD%E4%B8%89%E5%A4%A7%E6%B5%B7%E5%B3%A1%E8%87%AA%E5%8C%97%E5%90%91%E5%8D%97%E4%BE%9D%E6%AC%A1%E6%98%AF => Failed to connect to 101.89.159.206 port 38075: Connection refused"
我国三大海峡自北向南依次是
