Hardware Serial gets annoying values

[hbadotti]

Hello, I was using Nextion Display with Software Serial in my Arduino MEGA, then I changed to Hardware Serial... Everything works ok, when I press a button the Arduino recognizes it and make the right thing...

The only problem is after pressing any button which sends information to arduino, this information keeps repeating every 4-5 seconds, but it repeats only a part of the original sent variable.

Take a look in the log:

I'm using Nextion Display (normal edition) with Arduino MEGA 2560 in Hardware Serial port number 2

My display code is correct, when I use the debug option in Nextion HMI, there is no sending of values ​​from time to time. (And I checked all the code)