string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%B8%BF%E8%92%99%E7%B3%BB%E7%BB%9F%E5%92%8C%E5%AE%89%E5%8D%93%E7%9A%84%E5%8C%BA%E5%88%AB => Failed to connect to 14.18.117.71 port 38220: Connection refused"
鸿蒙系统和安卓的区别
