I found the problem. Many of my Code files was pointing src property to an inexistent path, i don know why... In some Appstudios versions (4) we make code file into the projetcts, in other versions we just drop and down into project, i belive some trash stay through the upgrades.
I removed the invalid path. In the most of cases just works fine, but in others, i was forced to create a new code file and copy and paste the code, then works fine.
By the way, F7 is not updating .js files attached into the project.