🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · g79fqn

*古古识字*
`since 2026.08.31 20:24:05`

***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: *Android*
os.version: *Android OS 12 / API-31 (HUAWEIAGS6-W00/104.2.0.182C00)*
device.model: *HUAWEI AGS6-W00*
phone.number: *15258148845*
isPaid: ✅
currentWord: *十*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *711.2*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *760*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[08-31 20:24:05] LoadScene: 00HomePage
[08-31 20:24:05] LoadScene: 00HomePage
[08-31 20:23:45] LoadSceneAsync: 01Lesson
[08-31 20:23:43] LoadScene: 00HomePage
[08-31 20:22:13] LoadSceneAsync: 01Lesson
[08-31 20:22:10] LoadScene: 00HomePage
[08-31 20:22:10] LoadScene: 00HomePage
[08-31 20:22:03] 记住1年级的一键开始字:十
[08-31 20:21:36] LoadSceneAsync: 01Lesson
[08-31 20:21:22] LoadScene: 00HomePage
```
#ph15258148845
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#HUAWEI AGS6-W00
📸 [screenshot](https://bugsnap.cnaron.com/paid/15258148845.HUAWEI AGS6-W00.snap.2026.08.31.20.24.05.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[08-31 20:24:05] LoadScene: 00HomePage
[08-31 20:24:05] LoadScene: 00HomePage
[08-31 20:23:45] LoadSceneAsync: 01Lesson
[08-31 20:23:43] LoadScene: 00HomePage
[08-31 20:22:13] LoadSceneAsync: 01Lesson
[08-31 20:22:10] LoadScene: 00HomePage
[08-31 20:22:10] LoadScene: 00HomePage
[08-31 20:22:03] 记住1年级的一键开始字:十
[08-31 20:21:36] LoadSceneAsync: 01Lesson
[08-31 20:21:22] LoadScene: 00HomePage
[08-31 20:20:50] LoadSceneAsync: 01Lesson
[08-31 20:20:49] LoadScene: 00HomePage
[08-31 20:20:21] LoadSceneAsync: 01Lesson
[08-31 20:20:19] LoadScene: 00HomePage
[08-31 20:19:55] LoadSceneAsync: 01Lesson
[08-31 20:19:51] LoadScene: 00HomePage
[08-31 20:19:38] LoadSceneAsync: 01Lesson
[08-31 20:19:36] LoadScene: 00HomePage
[08-31 20:19:36] LoadScene: 00HomePage
[08-31 20:18:35] LoadSceneAsync: 01Lesson
[08-31 20:18:34] LoadScene: 00HomePage
[08-31 20:18:34] LoadScene: 00HomePage
[08-31 20:17:45] LoadSceneAsync: 01Lesson
[08-31 20:17:43] LoadScene: 00HomePage
[08-31 20:17:31] LoadSceneAsync: 01Lesson
[08-31 20:17:27] LoadScene: 00HomePage
[08-31 20:17:02] 记住1年级的一键开始字:十
[08-31 20:15:57] LoadSceneAsync: 01Lesson
[08-31 20:15:54] LoadScene: 00HomePage
[08-31 20:15:50] LoadSceneAsync: 01Lesson

【前序异常（新→旧）】

[2026.08.31 20:24:05][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.31 20:22:10][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.19 20:42:40][Unhandled exception::LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.16 21:28:38][Unhandled exception::LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]

【prefs（白名单）】

当前字: 十
本节课已学字: 
每节课学几个字: 4
手机号: 15258148845
购买的会员类型: 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: 八|CurrentWordExit

【最近 Debug.Log】

[LessonController] 连对数变化: 2
Answer result: Correct, Accuracy: 83.33%, Current streak: 2
[LessonController] 进度更新: 100.0% (9/8)
[LessonController] 课程完成! 耗时: 18.8秒, 完成卡片: 8
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[20:24:05] 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
[20:24:05] 00HomePage 加载完成，用时 0.07 秒。
[HomePage] 初始化轮播器至索引: 11
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[20:24:05] 开始加载场景 00HomePage