🚨崩溃 NullReferenceException·LessonController.ReturnToMainMen · eb6hne

*古古识字*
`since 2026.08.24 09:25:26`

***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: *iPad13,18*
phone.number: *13330264466*
isPaid: ✅
currentWord: *蓝*
version: *2026.08.21*
scene.active: *00HomePage*
playingLink: *甲骨文卡片*
lastLink: *甲骨文卡片*
secSinceLinkChange: *114.6*
secSinceLastFlowCall: *-1*
clicksSinceLinkChange: *93*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[08-24 09:25:26] LoadScene: 00HomePage
[08-24 09:25:26] LoadScene: 00HomePage
[08-24 09:23:34] LoadSceneAsync: 01Lesson
[08-24 09:23:31] LoadScene: 00HomePage
[08-24 09:23:31] LoadSceneAsync: 02特色功能
[08-24 09:23:29] LoadSceneAsync: 01首页面
[08-24 09:23:28] LoadSceneAsync: 02二级菜单之字
[08-24 09:23:27] LoadSceneAsync: 01首页面
[08-24 09:23:24] LoadSceneAsync: 02二级菜单之诗
[08-23 21:37:05] 记住1年级的一键开始字:蓝
```
#ph13330264466
#00HomePage
#NullReferenceException
#Unhandled exception
#ver20260821
#iPad13,18
📸 [screenshot](https://bugsnap.cnaron.com/paid/13330264466.iPad13.18.snap.2026.08.24.09.25.26.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[08-24 09:25:26] LoadScene: 00HomePage
[08-24 09:25:26] LoadScene: 00HomePage
[08-24 09:23:34] LoadSceneAsync: 01Lesson
[08-24 09:23:31] LoadScene: 00HomePage
[08-24 09:23:31] LoadSceneAsync: 02特色功能
[08-24 09:23:29] LoadSceneAsync: 01首页面
[08-24 09:23:28] LoadSceneAsync: 02二级菜单之字
[08-24 09:23:27] LoadSceneAsync: 01首页面
[08-24 09:23:24] LoadSceneAsync: 02二级菜单之诗
[08-23 21:37:05] 记住1年级的一键开始字:蓝
[08-23 21:37:03] LoadSceneAsync: 01首页面
[08-23 21:37:01] LoadSceneAsync: 02特色功能
[08-23 21:36:57] LoadSceneAsync: 01首页面
[08-23 21:36:11] LoadSceneAsync: 02特色功能
[08-23 21:36:09] LoadSceneAsync: 01首页面
[08-23 21:35:55] LoadSceneAsync: 02特色功能
[08-23 21:35:52] LoadSceneAsync: 01首页面
[08-23 21:35:45] LoadScene: 02家长界面
[08-23 21:35:42] LoadSceneAsync: 01首页面
[08-23 21:33:51] LoadSceneAsync: 02特色功能
[08-23 21:33:40] LoadScene: 01首页面
[08-23 21:33:39] LoadScene: 00HomePage
[08-23 21:32:04] 记住1年级的一键开始字:蓝
[08-23 21:31:08] LoadSceneAsync: 01Lesson
[08-23 21:30:52] LoadScene: 00HomePage
[08-23 21:30:30] LoadSceneAsync: 01Lesson
[08-23 21:30:26] LoadScene: 00HomePage
[08-23 21:29:11] LoadSceneAsync: 01Lesson
[08-23 21:29:09] LoadScene: 00HomePage
[08-23 21:27:13] LoadSceneAsync: 01Lesson

【前序异常（新→旧）】

[2026.08.24 09:25:26][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: 蓝
本节课已学字: 
每节课学几个字: 3
手机号: 13330264466
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: 

【最近 Debug.Log】

[LessonController] 连对数变化: 2
Answer result: Correct, Accuracy: 50.00%, Current streak: 2
[LessonController] 进度更新: 100.0% (15/14)
[LessonController] 课程完成! 耗时: 109.6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...
[09:25:26] 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
[09:25:26] 00HomePage 加载完成，用时 0.05 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...
[09:25:26] 开始加载场景 00HomePage