Hey dear Admin,
can u change my account to PPT (Pay Per Traffic), pls?
would be rly nice! ty
You can change your plan only once in a month but I changed from Subscription to Pay-Per-Traffic at this time.
https://mudfish.net/docs/en/policy/data_plans.html#how-to-change
ty very much!
Cool! 
I hope now everything goes well with mudfish. Please let me know if there are any other problems.