[Bug]: 首页异常

[RicardoLee2020]

描述/Description

更新新版本后首页一直显示这样，点开漫画顶部也报错

Version

4.0.0

使用的操作系统/Operating system

Android

日志/logs

Null check operator used on a null value
#0 StatefulElement.state (package:flutter/src/widgets/framework.dart:5736)
#1 Element.findAncestorStateOfType (package:flutter/src/widgets/framework.dart:4961)
#2 Navigator.of (package:flutter/src/widgets/navigator.dart:2781)
#3 showLoadingDialog. (package:pica_comic/components/message.dart:212)
#4 LoadingDialogController.close (package:pica_comic/components/message.dart:158)
#5 importDataSetting... (package:pica_comic/pages/settings/app_settings.dart:543)
#6 _rootRunUnary (dart:async/zone.dart:1407)
#7 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:861)
#8 Future._propagateToListeners (dart:async/future_impl.dart:890)
#9 Future._completeWithValue (dart:async/future_impl.dart:666)

截图或视频/Screenshot or video

[wgh136]

非最新版本，更新至最新版后再试一下