string(321) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8B%AC%E7%AB%8B%E6%98%BE%E5%8D%A1%E5%92%8C%E9%9B%86%E6%88%90%E6%98%BE%E5%8D%A1%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB%E5%95%8A%E7%9F%A5%E4%B9%8E => Failed to connect to 101.89.166.210 port 38089: Connection refused"
独立显卡和集成显卡有什么区别啊知乎
