是否可以增加一个二维码中间可以配置图片的指令？

[jjeejj]

[tangxinfa]

I think you look for nginx watermark module, see my article
http://blog.kankanan.com/article/4e8c7ef4780178147a76.html#org351fd98

This article is old, which patched the nginx image filter module, maybe a
thirdparty watermark nginx module already exists, please have a look.