Webp Optimization and Photon

I have used Images Optimization upto level 5, enable replacement jpg on media setting and Jetpack’s Photon

    media_img_webp = true
    media_img_webp_only = false
    media_img_exif = false
    media_img_webp_lossless = false

But Photon dont support webp

https://i2.wp.com/domain/wp-content/uploads/2018/03/test.jpg?resize=110%2C160&ssl=1

I try to
https://i2.wp.com/domain/wp-content/uploads/2018/03/test.jpg.webp?resize=110%2C160&ssl=1

Error 0005. The type of image you are trying to process is not allowed.