🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · 6krzib

*古古识字*
`since 2026.09.04 17:19:42`

***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 26.1*
device.model: *iPad16,2*
phone.number: *13677733168*
isPaid: ✅
currentWord: *九*
version: *2026.09.01*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *85.3*
secSinceLastFlowCall: *89.2*
clicksSinceLinkChange: *218*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-04 17:19:42] LoadScene: 00HomePage
[09-04 17:19:42] LoadScene: 00HomePage
[09-04 17:18:24] LoadSceneAsync: 01Lesson
[09-04 17:18:17] LoadScene: 00HomePage
[09-04 17:18:17] LoadSceneAsync: 02特色功能
[09-04 17:18:13] LoadSceneAsync: 01首页面
[09-04 17:18:13] Flow: BtnBack_OnClick
[09-04 17:17:47] Flow: Mainline_LevelledReading
[09-04 17:17:28] [Cloud]完成本节课学习SNOP0904
[09-04 17:17:28] Flow: Mainline_ThreePartsOfLearnWords
```
#ph13677733168
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260901
#iPad16,2
📸 [screenshot](https://bugsnap.cnaron.com/paid/13677733168.iPad16.2.snap.2026.09.04.17.19.42.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-04 17:19:42] LoadScene: 00HomePage
[09-04 17:19:42] LoadScene: 00HomePage
[09-04 17:18:24] LoadSceneAsync: 01Lesson
[09-04 17:18:17] LoadScene: 00HomePage
[09-04 17:18:17] LoadSceneAsync: 02特色功能
[09-04 17:18:13] LoadSceneAsync: 01首页面
[09-04 17:18:13] Flow: BtnBack_OnClick
[09-04 17:17:47] Flow: Mainline_LevelledReading
[09-04 17:17:28] [Cloud]完成本节课学习SNOP0904
[09-04 17:17:28] Flow: Mainline_ThreePartsOfLearnWords
[09-04 17:17:27] Flow: Mainline_AfteCurrentRoundStudy
[09-04 17:17:27] Flow: Mainline_AfterXFX
[09-04 17:17:27] Flow: GameXiaoFuXi_Finish
[09-04 17:17:03] Flow: GameXiaoFuXi
[09-04 17:17:02] LoadSceneAsync: 03小狗场景
[09-04 17:16:58] Flow: Mainline_AfterThreePartsInReview
[09-04 17:16:50] Flow: StarBox_Three
[09-04 17:16:50] Flow: MainLine_ChallengeTogether_Finish
[09-04 17:15:41] Flow: MainLine_ChallengeTogether
[09-04 17:15:41] Flow: MainLine_GameWritingXXL_Finish
[09-04 17:15:41] Flow: MainLine_GameWritingXXL
[09-04 17:15:41] Flow: GameWritingXiaoXiaoLe_Finish
[09-04 17:15:22] Flow: MainLine_GameWritingXXL
[09-04 17:15:22] Flow: GameWritingXiaoXiaoLe_Finish
[09-04 17:15:03] Flow: MainLine_GameWritingXXL
[09-04 17:15:03] Flow: GameWritingXiaoXiaoLe_Finish
[09-04 17:14:42] Flow: MainLine_GameWritingXXL
[09-04 17:14:42] Flow: Mainline_GameCutFruitInReview_Finish
[09-04 17:14:42] Flow: Mainline_GameCutFruitInReview
[09-04 17:14:41] Flow: StarBox_Two

【前序异常（新→旧）】

[2026.09.04 17:19:42][Unhandled exception:LessonController.ReturnToMainMenu () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026-08-02 09:29:24] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage
[2026-07-02 17:30:27] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage
[2026-06-03 17:07:42] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage
[2025-12-30 20:19:58] [System.Collections.Generic.Dictionary`2::get_Item:0] KeyNotFoundException: The given key was not present in the dictionary. | errorMessage

【prefs（白名单）】

当前字: 九
本节课已学字: 
每节课学几个字: 3
手机号: 13677733168
购买的会员类型: 11009
本地存的最新版本号: 2026.09.01
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: 36.00%, Current streak: 2
[LessonController] 进度更新: 100.0% (15/14)
[LessonController] 课程完成! 耗时: 76.9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...
[17:19:42] 开始加载场景 00HomePage
[LessonController] 场景加载请求已发送
[BackEventManager] Scene unloaded: 01Lesson, stack count: 7
[Audio] 已同步存档设置: SFX On=True, Volume=1
[17:19:42] 00HomePage 加载完成，用时 0.05 秒。
[HomePage] 初始化轮播器至索引: 3
[LessonController] 从结算弹窗确认退出
[LessonController] 执行返回主菜单逻辑...
[17:19:42] 开始加载场景 00HomePage