🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · azaa3z

*古古识字*
`since 2026.08.27 18:05:46`

***Classifier***
```csharp
NullReferenceException: Object reference not set to an instance of an object.```
***Callstack***
```csharp
[1].LessonController.ReturnToMainMenu:0
[2].UnityEngine.Events.UnityAction.Invoke:0
[3].HGuGuExtension+<_MyInvoke_Imp>d__208.MoveNext:0
[4].UnityEngine.SetupCoroutine.InvokeMoveNext:0
```
***Attributes***
platform: *IPhonePlayer*
os.version: *iPadOS 26.5.2*
device.model: *iPad13,18*
phone.number: *18042029820*
isPaid: ❌
currentWord: *禾*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *75.0*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *20*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[08-27 18:05:46] LoadScene: 00HomePage
[08-27 18:05:46] LoadScene: 00HomePage
[08-27 18:04:36] LoadSceneAsync: 01Lesson
[08-27 18:04:31] LoadScene: 00HomePage
[08-27 18:04:31] LoadSceneAsync: 02特色功能
[08-27 18:04:30] LoadSceneAsync: 01首页面
[08-27 18:04:26] LoadSceneAsync: 02特色功能
[08-27 18:04:22] LoadSceneAsync: 01首页面
[08-27 18:03:34] LoadSceneAsync: 02特色功能
[08-27 18:03:20] [Cloud]IPAD13,18更新了App，从2026.07.27到2026.08.21
```
#ph18042029820
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#iPad13,18
📸 [screenshot](https://bugsnap.cnaron.com/login/18042029820.iPad13.18.snap.2026.08.27.18.05.46.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[08-27 18:05:46] LoadScene: 00HomePage
[08-27 18:05:46] LoadScene: 00HomePage
[08-27 18:04:36] LoadSceneAsync: 01Lesson
[08-27 18:04:31] LoadScene: 00HomePage
[08-27 18:04:31] LoadSceneAsync: 02特色功能
[08-27 18:04:30] LoadSceneAsync: 01首页面
[08-27 18:04:26] LoadSceneAsync: 02特色功能
[08-27 18:04:22] LoadSceneAsync: 01首页面
[08-27 18:03:34] LoadSceneAsync: 02特色功能
[08-27 18:03:20] [Cloud]IPAD13,18更新了App，从2026.07.27到2026.08.21
[08-27 18:03:19] LoadSceneAsync: 01首页面
[08-27 18:03:19] [Cloud]打开App0827-18:03：IPAD13,18@2026.08.21SNOP
[08-27 18:03:19] LoadScene: 00Load
[08-20 11:00:47] LoadSceneAsync: 01首页面
[08-20 11:00:47] 记住1年级的一键开始字:禾
[08-20 09:39:09] LoadSceneAsync: 02二级菜单之字
[08-20 09:39:09] 返回到二级菜单0
[08-20 09:39:09] Flow: BtnBack_OnClick
[08-20 09:39:05] Flow: GameWritingZhaoZheXie
[08-20 09:39:05] Flow: GameBbYellow_Finish
[08-20 09:38:44] Flow: GameBbYellow
[08-20 09:38:44] Flow: GameBbRed_Finish
[08-20 09:38:44] Flow: GameBbRed
[08-20 09:38:44] Flow: GameBbWhite_Finish
[08-20 09:38:44] Flow: GameBbWhite
[08-20 09:38:43] Flow: GameNewWordEnter_Begin_NotCareFinish_OnlyForShowing
[08-20 09:38:43] 开始学习字[爸]
[08-20 09:38:43] Flow: WhichLinkShouldBe_CurrentWordBegin
[08-20 09:38:43] LoadSceneAsync: 03识字模块
[08-20 09:38:43] 记住1年级的一键开始字:爸

【前序异常（新→旧）】

[2026.08.27 18:05:46][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.04 23:22:33][Unhandled exception::FlowLineGameZuCiMono.MixOptions (System.String currentWord) (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.07.29 23:41:37][Unhandled exception::UnityEngine.Object.CheckNullArgument (System.Object arg, System.String message) (at <00000000000000000000000000000000>:0):ArgumentException: The Object you want to instantiate is null.]

【prefs（白名单）】

当前字: 禾
本节课已学字: 天
每节课学几个字: 3
手机号: 18042029820
购买的会员类型: 00000_11001
本地存的最新版本号: 2026.08.21
是否首次安装_bool: False
消消乐放宽机型: EEBBK S5，EEBBK S4
识字断点: 爸|GameWritingZhaoZheXie

【最近 Debug.Log】

[LessonController] 进度更新: 100.0% (2/1)
[LessonController] 课程完成! 耗时: 65.9秒, 完成卡片: 1
[PinyinFlowCard] 游戏结束! 错题数: 0
[PinyinFlowCard] 游戏全部完成
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[18:05:46] 开始加载场景 00HomePage
[LessonController] 场景加载请求已发送
[BackEventManager] Scene unloaded: 01Lesson, stack count: 0
[Audio] 已同步存档设置: SFX On=True, Volume=1
[18:05:46] 00HomePage 加载完成，用时 0.06 秒。
[HomePage] 初始化轮播器至索引: 8
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[18:05:46] 开始加载场景 00HomePage