Clicking button widget , the button show is not correct

Hello,
I am beginner for LVGL and create a button in display( MUC: STM32U5, SS7789 display controller, LVGV version: 9.4.0) and label it with button text and bounding a physical key as indev, click the key will updated the button label text. but result is: the button will be react my click event, but the show it not correct, you can see my screenshot:
before click the key:


after click the key:

Code screenshot:
lv_port_indev.c
image

Problem solved