Multiple investigations were initiated at the same time, and only the last one showed the monitoring result

[tudosxxx]

I made a list view, and each item was initialized and listened to the results, but only the last one was valid.

I/flutter (18616): ======2=========
I/flutter (18616): ======3=========
I/flutter (18616): ======1=========
I/System.out(18616): (HTTPLog)-Static: isSBSettingEnabled false
I/chatty (18616): uid=11693(com.bbdzy.ern) pool-183-thread identical 2 lines
I/System.out(18616): (HTTPLog)-Static: isSBSettingEnabled false
W/System (18616): A resource failed to call end.
I/chatty (18616): uid=11693(com.bbdzy.ern) FinalizerDaemon identical 2 lines
W/System (18616): A resource failed to call end.
I/flutter (18616): ========onPollfishSurveyReceived====1===
I/System.out(18616): (HTTPLog)-Static: isSBSettingEnabled false
I/System.out(18616): (HTTPLog)-Static: isSBSettingEnabled false

onPollfishSurveyReceived Only the last one is printed

[tudosxxx]

I/flutter (18616): ======1=========
I/flutter (18616): ======2=========
I/flutter (18616): ======3=========
I/System.out(18616): (HTTPLog)-Static: isSBSettingEnabled false
I/System.out(18616): (HTTPLog)-Static: isSBSettingEnabled false
I/System.out(18616): (HTTPLog)-Static: isSBSettingEnabled false
I/System.out(18616): (HTTPLog)-Static: isSBSettingEnabled false
I/flutter (18616): ========onPollfishSurveyReceived====3===