🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · 7mg33p

*古古识字*
`since 2026.09.21 21:36:27`

***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 17.3.1*
device.model: *iPad7,5*
phone.number: *19955539182*
isPaid: ❌
currentWord: *他*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *203.4*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *193*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-21 21:36:27] LoadScene: 00HomePage
[09-21 21:36:27] LoadScene: 00HomePage
[09-21 21:35:17] LoadSceneAsync: 01Lesson
[09-21 21:35:13] LoadScene: 00HomePage
[09-21 21:34:27] LoadSceneAsync: 01Lesson
[09-21 21:34:14] LoadScene: 00HomePage
[09-21 21:33:22] LoadSceneAsync: 01Lesson
[09-21 21:33:04] LoadScene: 00HomePage
[09-21 21:33:04] LoadSceneAsync: 02特色功能
[09-21 21:33:00] LoadSceneAsync: 01首页面
```
#ph19955539182
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#iPad7,5
📸 [screenshot](https://bugsnap.cnaron.com/login/19955539182.iPad7.5.snap.2026.09.21.21.36.27.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-21 21:36:27] LoadScene: 00HomePage
[09-21 21:36:27] LoadScene: 00HomePage
[09-21 21:35:17] LoadSceneAsync: 01Lesson
[09-21 21:35:13] LoadScene: 00HomePage
[09-21 21:34:27] LoadSceneAsync: 01Lesson
[09-21 21:34:14] LoadScene: 00HomePage
[09-21 21:33:22] LoadSceneAsync: 01Lesson
[09-21 21:33:04] LoadScene: 00HomePage
[09-21 21:33:04] LoadSceneAsync: 02特色功能
[09-21 21:33:00] LoadSceneAsync: 01首页面
[09-21 21:32:58] LoadSceneAsync: 02特色功能
[09-21 21:32:55] LoadSceneAsync: 01首页面
[09-21 21:32:12] LoadSceneAsync: 02二级菜单之字
[09-21 21:31:50] LoadSceneAsync: 01首页面
[09-21 21:31:50] [Cloud]打开App0921-21:31：IPAD7,5@2026.08.21SNOP
[09-21 21:31:49] LoadScene: 00Load
[09-20 22:30:37] LoadSceneAsync: 01Lesson
[09-20 22:30:34] LoadScene: 00HomePage
[09-20 22:29:23] LoadSceneAsync: 01Lesson
[09-20 22:29:19] LoadScene: 00HomePage
[09-20 22:28:11] LoadSceneAsync: 01Lesson
[09-20 22:28:08] LoadScene: 00HomePage
[09-20 22:27:13] LoadSceneAsync: 01Lesson
[09-20 22:27:09] LoadScene: 00HomePage
[09-20 22:26:21] LoadSceneAsync: 01Lesson
[09-20 22:26:17] LoadScene: 00HomePage
[09-20 22:25:29] LoadSceneAsync: 01Lesson
[09-20 22:25:26] LoadScene: 00HomePage
[09-20 22:24:55] LoadSceneAsync: 01Lesson
[09-20 22:24:51] LoadScene: 00HomePage

【前序异常（新→旧）】

[2026.09.21 21:36:27][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.09.19 21:26:14][Unhandled exception:FlowLineParentsInterfaceMono+<>c__DisplayClass63_0.<ConfirmBuyingInfoForUser>b__8 () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]

【prefs（白名单）】

当前字: 他
本节课已学字: 人
每节课学几个字: 3
手机号: 19955539182
购买的会员类型: 00000
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|GameFeiHuaLing

【最近 Debug.Log】

[LessonController] 连对数变化: 2
Answer result: Correct, Accuracy: 53.85%, Current streak: 2
[LessonController] 进度更新: 100.0% (12/11)
[LessonController] 课程完成! 耗时: 68.3秒, 完成卡片: 11
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[21:36:27] 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
[21:36:27] 00HomePage 加载完成，用时 0.06 秒。
[HomePage] 初始化轮播器至索引: 14
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[21:36:27] 开始加载场景 00HomePage