Problem with Bj Lazy load

Hello,
I
enabled the auto minify. After this all my images appear blank so i had to desactivate bj lazy load in order to make the images appear.

Can you please investigate in order to make w3 total cache with bj lazy load actived ? Is it a know bug ?

Thank you

http://ww.wp.xz.cn/plugins/w3-total-cache/