nginx.conf配置文件http指令块有如下默认指令
http {
include mime.types;
default_type application/octet-stream;可以打开mime.types文件，添加 apk 下载指令，ipa为苹果安装包
application/vnd.android.package-archive apk;
application/iphone pxl ipa;然后软重启nginx即可生效