🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · jeqxki

*古古识字*
`since 2026.08.30 14:59:31`

***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 26.6*
device.model: *iPad16,8*
phone.number: *18349273614*
isPaid: ✅
currentWord: *鱼*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *199.1*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *188*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[08-30 14:59:31] LoadScene: 00HomePage
[08-30 14:59:31] LoadScene: 00HomePage
[08-30 14:59:12] LoadSceneAsync: 01Lesson
[08-30 14:58:59] LoadScene: 00HomePage
[08-30 14:58:06] LoadSceneAsync: 01Lesson
[08-30 14:58:01] LoadScene: 00HomePage
[08-30 14:56:16] LoadSceneAsync: 01Lesson
[08-30 14:56:12] LoadScene: 00HomePage
[08-30 14:56:12] LoadSceneAsync: 02特色功能
[08-30 14:56:01] [Cloud]IPAD16,8更新了App，从2026.08.17到2026.08.21
```
#ph18349273614
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#iPad16,8
📸 [screenshot](https://bugsnap.cnaron.com/paid/18349273614.iPad16.8.snap.2026.08.30.14.59.31.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[08-30 14:59:31] LoadScene: 00HomePage
[08-30 14:59:31] LoadScene: 00HomePage
[08-30 14:59:12] LoadSceneAsync: 01Lesson
[08-30 14:58:59] LoadScene: 00HomePage
[08-30 14:58:06] LoadSceneAsync: 01Lesson
[08-30 14:58:01] LoadScene: 00HomePage
[08-30 14:56:16] LoadSceneAsync: 01Lesson
[08-30 14:56:12] LoadScene: 00HomePage
[08-30 14:56:12] LoadSceneAsync: 02特色功能
[08-30 14:56:01] [Cloud]IPAD16,8更新了App，从2026.08.17到2026.08.21
[08-30 14:56:00] 记住1年级的一键开始字:鱼
[08-30 14:56:00] LoadSceneAsync: 01首页面
[08-30 14:56:00] [Cloud]打开App0830-14:56：IPAD16,8@2026.08.21SNOP
[08-30 14:56:00] LoadScene: 00Load
[08-29 21:50:00] LoadScene: 00HomePage
[08-29 21:49:46] LoadSceneAsync: 01Lesson
[08-29 21:49:39] LoadScene: 00HomePage
[08-29 21:49:11] LoadSceneAsync: 01Lesson
[08-29 21:49:03] LoadScene: 00HomePage
[08-29 21:47:29] LoadSceneAsync: 01Lesson
[08-29 21:47:28] LoadScene: 00HomePage
[08-29 21:45:35] LoadSceneAsync: 01Lesson
[08-29 21:45:34] LoadScene: 00HomePage
[08-29 21:44:43] LoadSceneAsync: 01Lesson
[08-29 21:44:41] LoadScene: 00HomePage
[08-29 21:43:52] LoadSceneAsync: 01Lesson
[08-29 21:43:40] LoadScene: 00HomePage
[08-29 21:41:51] LoadSceneAsync: 01Lesson
[08-29 21:41:42] LoadScene: 00HomePage
[08-29 21:39:57] LoadSceneAsync: 01Lesson

【前序异常（新→旧）】

[2026.08.30 14:59:31][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.07.27 21:51:34][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: 鱼
本节课已学字: 
每节课学几个字: 3
手机号: 18349273614
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: 鱼|GameBbWhite

【最近 Debug.Log】

[LessonController] 进度更新: 100.0% (2/1)
[LessonController] 课程完成! 耗时: 17.2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...
[14:59:31] 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
[14:59:31] 00HomePage 加载完成，用时 0.04 秒。
[HomePage] 初始化轮播器至索引: 5
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[14:59:31] 开始加载场景 00HomePage