1.用rz命令上传apk

2.配置/etc/nginx/nginx.conf，可参考下面的配置

server{
    listen 8888;
    server_name  localhost;
    location ~*\.(apk)$ {
        root   /opt/knowledge-contest;
    }
}

3.重启nginx

4.用链接访问，如访问http://1.15.186.160:8999/app-armeabi-v7a-release.apk下载apk