天问 commented 1 year ago
```
E/flutter (19561): IERROR:flutter/runtime/dart vm initializer.cc(41)] Unhandled Exception: Mul chek operator used on a null valueItem5crollController.scrollTo (package:scrollable positioned list/src/scrollable positioned list.dart:254)VoiceChatRoomPagestate.handleChatscro11ToBottom(package:vchat/chat/VoiceChatRoomPage.dart:3331)VoicechatRoomPagestatehandleAddChatMessage (package:vchat/chat/VoiceChatRoomPagedart:3322)WoiceChatRoomPagestate.handleRoomData (package:vchat/chat/VoiceChatRoomPagedart:953)节VoiceChatRoomPagestate.initEvent. <anonymous closure>(package:vchat/chat/VoiceChatRoomPage.dart :548)#5new Rx.<anonymous closure>.<anonymous closure>.<anonymous closure> (package:vchat/Rx.dart:24)#6List.forEach (dart:core-patch/growable array .dart:416)#7new Rx.<anonymous closure>.<anonymous closure> (package:vchat/Rx.dart:23)LinkedHashMapMixin.forEach (dart:collection-patch/compact hash.dart:625)new Rx.<anonymous closure>(package:vchat/Rx.dart:22)#10RootZone.runUnaryGuarded (dart:async/zone.dart:1593)#11BufferingstreamSubscription. sendData (dart:async/stream impl.dart:339)#12DelavedDataperform(dart:async/stream impldart :515)(19561):#13PendingEvents.handleNext (dart:async/stream impl.dart:620)closure>-(dart:async/stream impl.dart:591)PendingEvents.schedule.<anonvmousmicrotaskLoop(dart :async/schedule microtask.dart :40)(19561): #16starticrotaskLoopschedule microtask.dart:49)
```