why my sprite scale size last long only 2 seccond

Development Asset Creation FX
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1

I want to do size increase when start and size decrease when it end but the problem is it work for 2 seccond but whhen i try to increase the time duration it not working when the time hit 2 seccond my emitter dissappear is this the problem about my emitter state or my sprite scale graph. (I’m new to this sorry)

2

now I found the way I make the particle state into infinite