string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B8%B2%E6%9F%93%E4%BB%80%E4%B9%88%E6%98%BE%E5%8D%A1%E6%AF%94%E8%BE%83%E5%A5%BD => Failed to connect to 14.18.117.71 port 38041: Connection refused"
渲染什么显卡比较好
