🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · vnh9b9

*古古识字*
`since 2026.08.29 10:25:40`

***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 18.7.8*
device.model: *iPad16,1*
phone.number: *13801257550*
isPaid: ✅
currentWord: *脑*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *-*
lastLink: *-*
secSinceLinkChange: *-1*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *695*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[08-29 10:25:40] LoadScene: 00HomePage
[08-29 10:25:40] LoadScene: 00HomePage
[08-29 10:23:19] 记住2年级的一键开始字:脑
[08-29 10:21:57] LoadSceneAsync: 01Lesson
[08-29 10:21:54] LoadScene: 00HomePage
[08-29 10:19:49] LoadSceneAsync: 01Lesson
[08-29 10:19:42] LoadScene: 00HomePage
[08-29 10:19:15] LoadSceneAsync: 01Lesson
[08-29 10:19:14] LoadScene: 00HomePage
[08-29 10:18:43] LoadSceneAsync: 01Lesson
```
#ph13801257550
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#iPad16,1
📸 [screenshot](https://bugsnap.cnaron.com/paid/13801257550.iPad16.1.snap.2026.08.29.10.25.40.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[08-29 10:25:40] LoadScene: 00HomePage
[08-29 10:25:40] LoadScene: 00HomePage
[08-29 10:23:19] 记住2年级的一键开始字:脑
[08-29 10:21:57] LoadSceneAsync: 01Lesson
[08-29 10:21:54] LoadScene: 00HomePage
[08-29 10:19:49] LoadSceneAsync: 01Lesson
[08-29 10:19:42] LoadScene: 00HomePage
[08-29 10:19:15] LoadSceneAsync: 01Lesson
[08-29 10:19:14] LoadScene: 00HomePage
[08-29 10:18:43] LoadSceneAsync: 01Lesson
[08-29 10:18:42] LoadScene: 00HomePage
[08-29 10:18:19] 记住2年级的一键开始字:脑
[08-29 10:18:17] LoadSceneAsync: 01Lesson
[08-29 10:18:14] LoadScene: 00HomePage
[08-29 10:17:50] LoadSceneAsync: 01Lesson
[08-29 10:17:33] LoadScene: 00HomePage
[08-29 10:16:53] LoadSceneAsync: 01Lesson
[08-29 10:16:51] LoadScene: 00HomePage
[08-29 10:15:39] LoadSceneAsync: 01Lesson
[08-29 10:15:37] LoadScene: 00HomePage
[08-29 10:14:53] LoadSceneAsync: 01Lesson
[08-29 10:14:52] LoadScene: 00HomePage
[08-29 10:13:44] LoadSceneAsync: 01Lesson
[08-29 10:13:42] LoadScene: 00HomePage
[08-29 10:13:18] 记住2年级的一键开始字:脑
[08-29 10:12:38] LoadSceneAsync: 01Lesson
[08-29 10:12:37] LoadScene: 00HomePage
[08-29 10:11:48] LoadSceneAsync: 01Lesson
[08-29 10:11:47] LoadScene: 00HomePage
[08-29 10:10:51] LoadSceneAsync: 01Lesson

【前序异常（新→旧）】

[2026.08.29 10:25:40][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026-03-13 10:41:46] [PayForAndroid::WXPay:0] NullReferenceException: Object reference not set to an instance of an object. | Android调起WXPay时异常

【prefs（白名单）】

当前字: 脑
本节课已学字: 
每节课学几个字: 30
手机号: 13801257550
购买的会员类型: 11003
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: 

【最近 Debug.Log】

[LessonController] 连对数变化: 9
Answer result: Correct, Accuracy: 100.00%, Current streak: 9
[LessonController] 进度更新: 100.0% (15/14)
[LessonController] 课程完成! 耗时: 221.1秒, 完成卡片: 14
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[10:25:40] 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
[10:25:40] 00HomePage 加载完成，用时 0.04 秒。
[HomePage] 初始化轮播器至索引: 4
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[10:25:40] 开始加载场景 00HomePage