How to disable Verifying Bundles?

In China, connecting to and is very slow.
So I want to use my own CDN to serve the static files (e.g. bundle.js, images and so on).
I detached app and changed JS url. It works well on iOS , but stucks on Android.

Maybe the problem comes from “Verifying Bundles”?
How can I disable Verifying Bundles?

@amoa400 did you solve this?