please help me. I try to update value in components.

example.
first time i open app work with components-a in page-1.continue work process i navigate to page-2.
after complete in page-2. Itβs navigate to page-1 again.
I need to update value in components-a on page-1 ,but itβs ignor to me.
please help me. i canβt solve this problem by self.
